32 files changed, 33647 insertions, 0 deletions
diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc
index 3e04477318..8a76a4c7a3 100644
--- a/MdeModulePkg/MdeModulePkg.dsc
+++ b/MdeModulePkg/MdeModulePkg.dsc
@@ -310,6 +310,7 @@
   MdeModulePkg/Universal/MonotonicCounterRuntimeDxe/MonotonicCounterRuntimeDxe.inf
   MdeModulePkg/Universal/ResetSystemRuntimeDxe/ResetSystemRuntimeDxe.inf
   MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
+  MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
 
   MdeModulePkg/Universal/Network/ArpDxe/ArpDxe.inf
   MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Dxe.inf
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/AUTHORS b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/AUTHORS
new file mode 100644
index 0000000000..3b3287e7d4
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/AUTHORS
@@ -0,0 +1 @@
+sndgk393 AT ybb DOT ne DOT jp (K.Kosako)
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/COPYING b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/COPYING
new file mode 100644
index 0000000000..f3d17ae519
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/COPYING
@@ -0,0 +1,28 @@
+Oniguruma LICENSE
+-----------------
+
+/*-
+ * Copyright (c) 2002-2007  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaIntrinsics.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaIntrinsics.c
new file mode 100644
index 0000000000..a60b647c36
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaIntrinsics.c
@@ -0,0 +1,53 @@
+/** @file
+
+  Provide intrinsics within Oniguruma
+
+  Copyright (c) 2015, Hewlett-Packard Development Company, L.P.<BR>
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License that accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#include <Library/BaseMemoryLib.h>
+
+//
+// From CryptoPkg/IntrinsicLib
+//
+
+/* Copies bytes between buffers */
+#pragma function(memcpy)
+void * memcpy (void *dest, const void *src, unsigned int count)
+{
+  return CopyMem (dest, src, (UINTN)count);
+}
+
+/* Sets buffers to a specified character */
+#pragma function(memset)
+void * memset (void *dest, char ch, unsigned int count)
+{
+  //
+  // NOTE: Here we use one base implementation for memset, instead of the direct
+  //       optimized SetMem() wrapper. Because the IntrinsicLib has to be built
+  //       without whole program optimization option, and there will be some
+  //       potential register usage errors when calling other optimized codes.
+  //
+
+  //
+  // Declare the local variables that actually move the data elements as
+  // volatile to prevent the optimizer from replacing this function with
+  // the intrinsic memset()
+  //
+  volatile UINT8  *Pointer;
+
+  Pointer = (UINT8 *)dest;
+  while (count-- != 0) {
+    *(Pointer++) = ch;
+  }
+
+  return dest;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaUefiPort.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaUefiPort.c
new file mode 100644
index 0000000000..98822f3648
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaUefiPort.c
@@ -0,0 +1,32 @@
+/** @file
+  
+  Module to rewrite stdlib references within Oniguruma
+
+  Copyright (c) 2014-2015, Hewlett-Packard Development Company, L.P.<BR>
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License that accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+#include "OnigurumaUefiPort.h"
+
+int sprintf(char *str, char const *fmt, ...)
+{
+  VA_LIST Marker;
+  int   NumberOfPrinted;
+
+  VA_START (Marker, fmt);
+  NumberOfPrinted = (int)AsciiVSPrint (str, 1000000, fmt, Marker);
+  VA_END (Marker);
+
+  return NumberOfPrinted;
+}
+
+int OnigStrCmp (char* Str1, char* Str2)
+{
+  return (int)AsciiStrCmp (Str1, Str2);
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaUefiPort.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaUefiPort.h
new file mode 100644
index 0000000000..504c9fb4f7
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/OnigurumaUefiPort.h
@@ -0,0 +1,66 @@
+/** @file
+  
+  Module to rewrite stdlib references within Oniguruma
+
+  Copyright (c) 2014-2015, Hewlett-Packard Development Company, L.P.<BR>
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License that accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+#ifndef ONIGURUMA_UEFI_PORT_H
+#define ONIGURUMA_UEFI_PORT_H
+
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PrintLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+
+#undef _WIN32
+#define P_(args) args
+
+#define SIZEOF_LONG sizeof(long)
+#define SIZEOF_INT  sizeof(int)
+typedef UINTN size_t;
+
+#define malloc(n) AllocatePool(n)
+#define calloc(n,s) AllocateZeroPool((n)*(s))
+#define free(p) FreePool(p)
+#define realloc(OldPtr,NewSize,OldSize) ReallocatePool(OldSize,NewSize,OldPtr)
+#define xmemmove(Dest,Src,Length) CopyMem(Dest,Src,Length)
+#define xmemcpy(Dest,Src,Length) CopyMem(Dest,Src,Length)
+#define xmemset(Buffer,Value,Length) SetMem(Buffer,Length,Value)
+
+#define va_init_list(a,b) VA_START(a,b)
+#define va_list VA_LIST
+#define va_arg(a,b) VA_ARG(a,b)
+#define va_end(a) VA_END(a)
+
+#define FILE VOID
+#define stdout NULL
+#define fprintf(...)
+#define fputs(a,b)
+#define vsnprintf (int)AsciiVSPrint
+#define _vsnprintf vsnprintf
+
+#define setlocale(a,b)
+#define LC_ALL 0
+
+//#define MAX_STRING_SIZE 0x1000
+#define strlen_s(String,MaxSize)            AsciiStrnLenS (String, MaxSize)
+#define strcat_s(Dest,MaxSize,Src)          AsciiStrCatS (Dest, MaxSize, Src)
+#define strncpy_s(Dest,MaxSize,Src,Length)  AsciiStrnCpyS (Dest, MaxSize, Src, Length)
+#define strcmp                              OnigStrCmp
+
+int OnigStrCmp (char* Str1, char* Str2);
+
+int sprintf (char *str, char const *fmt, ...);
+
+#define exit(n) ASSERT(FALSE);
+
+#endif // !ONIGURUMA_UEFI_PORT_H
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/README b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/README
new file mode 100644
index 0000000000..18952eed00
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/README
@@ -0,0 +1,189 @@
+README  2007/05/31
+
+Oniguruma  ----   (C) K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
+
+http://www.geocities.jp/kosako3/oniguruma/
+
+Oniguruma is a regular expressions library.
+The characteristics of this library is that different character encoding
+for every regular expression object can be specified.
+
+Supported character encodings:
+
+  ASCII, UTF-8, UTF-16BE, UTF-16LE, UTF-32BE, UTF-32LE,
+  EUC-JP, EUC-TW, EUC-KR, EUC-CN,
+  Shift_JIS, Big5, GB18030, KOI8-R, CP1251,
+  ISO-8859-1, ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5,
+  ISO-8859-6, ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-8859-10,
+  ISO-8859-11, ISO-8859-13, ISO-8859-14, ISO-8859-15, ISO-8859-16
+
+* GB18030: contributed by KUBO Takehiro
+* CP1251:  contributed by Byte
+------------------------------------------------------------
+
+License
+
+   BSD license.
+
+
+Install
+
+ Case 1: Unix and Cygwin platform
+
+   1. ./configure
+   2. make
+   3. make install
+
+   * uninstall
+
+     make uninstall
+
+   * test (ASCII/EUC-JP)
+
+     make atest
+
+   * configuration check
+
+     onig-config --cflags
+     onig-config --libs
+     onig-config --prefix
+     onig-config --exec-prefix
+
+
+
+ Case 2: Win32 platform (VC++)
+
+   1. copy win32\Makefile Makefile
+   2. copy win32\config.h config.h
+   3. nmake
+
+      onig_s.lib:  static link library
+      onig.dll:    dynamic link library
+
+  * test (ASCII/Shift_JIS)
+   4. copy win32\testc.c testc.c
+   5. nmake ctest
+
+
+
+Regular Expressions
+
+  See doc/RE (or doc/RE.ja for Japanese).
+
+
+Usage
+
+  Include oniguruma.h in your program. (Oniguruma API)
+  See doc/API for Oniguruma API.
+
+  If you want to disable UChar type (== unsigned char) definition
+  in oniguruma.h, define ONIG_ESCAPE_UCHAR_COLLISION and then 
+  include oniguruma.h.
+
+  If you want to disable regex_t type definition in oniguruma.h,
+  define ONIG_ESCAPE_REGEX_T_COLLISION and then include oniguruma.h.
+
+  Example of the compiling/linking command line in Unix or Cygwin,
+  (prefix == /usr/local case)
+
+    cc sample.c -L/usr/local/lib -lonig
+
+
+  If you want to use static link library(onig_s.lib) in Win32,
+  add option -DONIG_EXTERN=extern to C compiler.
+
+
+
+Sample Programs
+
+  sample/simple.c    example of the minimum (Oniguruma API)
+  sample/names.c     example of the named group callback.
+  sample/encode.c    example of some encodings.
+  sample/listcap.c   example of the capture history.
+  sample/posix.c     POSIX API sample.
+  sample/sql.c       example of the variable meta characters.
+                     (SQL-like pattern matching)
+
+Test Programs
+  sample/syntax.c    Perl, Java and ASIS syntax test.
+  sample/crnl.c      --enable-crnl-as-line-terminator test
+
+
+Source Files
+
+  oniguruma.h        Oniguruma API header file. (public)
+  onig-config.in     configuration check program template.
+
+  regenc.h           character encodings framework header file.
+  regint.h           internal definitions
+  regparse.h         internal definitions for regparse.c and regcomp.c
+  regcomp.c          compiling and optimization functions
+  regenc.c           character encodings framework.
+  regerror.c         error message function
+  regext.c           extended API functions. (deluxe version API)
+  regexec.c          search and match functions
+  regparse.c         parsing functions.
+  regsyntax.c        pattern syntax functions and built-in syntax definitions.
+  regtrav.c          capture history tree data traverse functions.
+  regversion.c       version info function.
+  st.h               hash table functions header file
+  st.c               hash table functions
+
+  oniggnu.h          GNU regex API header file. (public)
+  reggnu.c           GNU regex API functions
+
+  onigposix.h        POSIX API header file. (public)
+  regposerr.c        POSIX error message function.
+  regposix.c         POSIX API functions.
+
+  enc/mktable.c      character type table generator.
+  enc/ascii.c        ASCII encoding.
+  enc/euc_jp.c       EUC-JP encoding.
+  enc/euc_tw.c       EUC-TW encoding.
+  enc/euc_kr.c       EUC-KR, EUC-CN encoding.
+  enc/sjis.c         Shift_JIS encoding.
+  enc/big5.c         Big5      encoding.
+  enc/gb18030.c      GB18030   encoding.
+  enc/koi8.c         KOI8      encoding.
+  enc/koi8_r.c       KOI8-R    encoding.
+  enc/cp1251.c       CP1251    encoding.
+  enc/iso8859_1.c    ISO-8859-1  encoding. (Latin-1)
+  enc/iso8859_2.c    ISO-8859-2  encoding. (Latin-2)
+  enc/iso8859_3.c    ISO-8859-3  encoding. (Latin-3)
+  enc/iso8859_4.c    ISO-8859-4  encoding. (Latin-4)
+  enc/iso8859_5.c    ISO-8859-5  encoding. (Cyrillic)
+  enc/iso8859_6.c    ISO-8859-6  encoding. (Arabic)
+  enc/iso8859_7.c    ISO-8859-7  encoding. (Greek)
+  enc/iso8859_8.c    ISO-8859-8  encoding. (Hebrew)
+  enc/iso8859_9.c    ISO-8859-9  encoding. (Latin-5 or Turkish)
+  enc/iso8859_10.c   ISO-8859-10 encoding. (Latin-6 or Nordic)
+  enc/iso8859_11.c   ISO-8859-11 encoding. (Thai)
+  enc/iso8859_13.c   ISO-8859-13 encoding. (Latin-7 or Baltic Rim)
+  enc/iso8859_14.c   ISO-8859-14 encoding. (Latin-8 or Celtic)
+  enc/iso8859_15.c   ISO-8859-15 encoding. (Latin-9 or West European with Euro)
+  enc/iso8859_16.c   ISO-8859-16 encoding.
+                     (Latin-10 or South-Eastern European with Euro)
+  enc/utf8.c         UTF-8    encoding.
+  enc/utf16_be.c     UTF-16BE encoding.
+  enc/utf16_le.c     UTF-16LE encoding.
+  enc/utf32_be.c     UTF-32BE encoding.
+  enc/utf32_le.c     UTF-32LE encoding.
+  enc/unicode.c      Unicode information data.
+
+  win32/Makefile     Makefile for Win32 (VC++)
+  win32/config.h     config.h for Win32
+
+
+
+ToDo
+
+  ? case fold flag: Katakana <-> Hiragana.
+  ? add ONIG_OPTION_NOTBOS/NOTEOS. (\A, \z, \Z)
+ ?? \X (== \PM\pM*)
+ ?? implement syntax behavior ONIG_SYN_CONTEXT_INDEP_ANCHORS.
+ ?? transmission stopper. (return ONIG_STOP from match_at())
+
+and I'm thankful to Akinori MUSHA.
+
+
+Mail Address: K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/ascii.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/ascii.c
new file mode 100644
index 0000000000..25afc980be
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/ascii.c
@@ -0,0 +1,58 @@
+/**********************************************************************
+  ascii.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2006  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regenc.h"
+
+static int
+ascii_is_code_ctype(OnigCodePoint code, unsigned int ctype)
+{
+  if (code < 128)
+    return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
+  else
+    return FALSE;
+}
+
+OnigEncodingType OnigEncodingASCII = {
+  onigenc_single_byte_mbc_enc_len,
+  "US-ASCII",  /* name */
+  1,           /* max byte length */
+  1,           /* min byte length */
+  onigenc_is_mbc_newline_0x0a,
+  onigenc_single_byte_mbc_to_code,
+  onigenc_single_byte_code_to_mbclen,
+  onigenc_single_byte_code_to_mbc,
+  onigenc_ascii_mbc_case_fold,
+  onigenc_ascii_apply_all_case_fold,
+  onigenc_ascii_get_case_fold_codes_by_str,
+  onigenc_minimum_property_name_to_ctype,
+  ascii_is_code_ctype,
+  onigenc_not_support_get_ctype_code_range,
+  onigenc_single_byte_left_adjust_char_head,
+  onigenc_always_true_is_allowed_reverse_match
+};
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/unicode.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/unicode.c
new file mode 100644
index 0000000000..70a1a5207a
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/unicode.c
@@ -0,0 +1,11374 @@
+/**********************************************************************
+  unicode.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2013  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regint.h"
+
+#define ONIGENC_IS_UNICODE_ISO_8859_1_CTYPE(code,ctype) \
+  ((EncUNICODE_ISO_8859_1_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
+#if 0
+#define ONIGENC_IS_UNICODE_ISO_8859_1_BIT_CTYPE(code,cbit) \
+  ((EncUNICODE_ISO_8859_1_CtypeTable[code] & (cbit)) != 0)
+#endif
+
+static const unsigned short EncUNICODE_ISO_8859_1_CtypeTable[256] = {
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4008, 0x428c, 0x4289, 0x4288, 0x4288, 0x4288, 0x4008, 0x4008,
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
+  0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
+  0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0288, 0x0008, 0x0008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+  0x0284, 0x01a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
+  0x00a0, 0x00a0, 0x30e2, 0x01a0, 0x00a0, 0x00a8, 0x00a0, 0x00a0,
+  0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x00a0, 0x30e2, 0x00a0, 0x01a0,
+  0x00a0, 0x10a0, 0x30e2, 0x01a0, 0x10a0, 0x10a0, 0x10a0, 0x01a0,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x00a0,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2
+};
+
+/* 'NEWLINE' */
+static const OnigCodePoint CR_NEWLINE[] = {
+  1,
+  0x000a, 0x000a
+}; /* CR_NEWLINE */
+
+/* 'Alpha': [[:Alpha:]] */
+static const OnigCodePoint CR_Alpha[] = {
+  418,
+  0x0041, 0x005a,
+  0x0061, 0x007a,
+  0x00aa, 0x00aa,
+  0x00b5, 0x00b5,
+  0x00ba, 0x00ba,
+  0x00c0, 0x00d6,
+  0x00d8, 0x00f6,
+  0x00f8, 0x0241,
+  0x0250, 0x02c1,
+  0x02c6, 0x02d1,
+  0x02e0, 0x02e4,
+  0x02ee, 0x02ee,
+  0x0300, 0x036f,
+  0x037a, 0x037a,
+  0x0386, 0x0386,
+  0x0388, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x03f5,
+  0x03f7, 0x0481,
+  0x0483, 0x0486,
+  0x0488, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x0531, 0x0556,
+  0x0559, 0x0559,
+  0x0561, 0x0587,
+  0x0591, 0x05b9,
+  0x05bb, 0x05bd,
+  0x05bf, 0x05bf,
+  0x05c1, 0x05c2,
+  0x05c4, 0x05c5,
+  0x05c7, 0x05c7,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f2,
+  0x0610, 0x0615,
+  0x0621, 0x063a,
+  0x0640, 0x065e,
+  0x066e, 0x06d3,
+  0x06d5, 0x06dc,
+  0x06de, 0x06e8,
+  0x06ea, 0x06ef,
+  0x06fa, 0x06fc,
+  0x06ff, 0x06ff,
+  0x0710, 0x074a,
+  0x074d, 0x076d,
+  0x0780, 0x07b1,
+  0x0901, 0x0939,
+  0x093c, 0x094d,
+  0x0950, 0x0954,
+  0x0958, 0x0963,
+  0x097d, 0x097d,
+  0x0981, 0x0983,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bc, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09ce,
+  0x09d7, 0x09d7,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e3,
+  0x09f0, 0x09f1,
+  0x0a01, 0x0a03,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a70, 0x0a74,
+  0x0a81, 0x0a83,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abc, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae3,
+  0x0b01, 0x0b03,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3c, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b71, 0x0b71,
+  0x0b82, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0c01, 0x0c03,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c60, 0x0c61,
+  0x0c82, 0x0c83,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbc, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0d02, 0x0d03,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d60, 0x0d61,
+  0x0d82, 0x0d83,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df3,
+  0x0e01, 0x0e3a,
+  0x0e40, 0x0e4e,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb9,
+  0x0ebb, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0ec8, 0x0ecd,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f00,
+  0x0f18, 0x0f19,
+  0x0f35, 0x0f35,
+  0x0f37, 0x0f37,
+  0x0f39, 0x0f39,
+  0x0f3e, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f71, 0x0f84,
+  0x0f86, 0x0f8b,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fc6, 0x0fc6,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1050, 0x1059,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fa,
+  0x10fc, 0x10fc,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x135f, 0x135f,
+  0x1380, 0x138f,
+  0x13a0, 0x13f4,
+  0x1401, 0x166c,
+  0x166f, 0x1676,
+  0x1681, 0x169a,
+  0x16a0, 0x16ea,
+  0x1700, 0x170c,
+  0x170e, 0x1714,
+  0x1720, 0x1734,
+  0x1740, 0x1753,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1772, 0x1773,
+  0x1780, 0x17b3,
+  0x17b6, 0x17d3,
+  0x17d7, 0x17d7,
+  0x17dc, 0x17dd,
+  0x180b, 0x180d,
+  0x1820, 0x1877,
+  0x1880, 0x18a9,
+  0x1900, 0x191c,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x1950, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19b0, 0x19c9,
+  0x1a00, 0x1a1b,
+  0x1d00, 0x1dc3,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fbc,
+  0x1fbe, 0x1fbe,
+  0x1fc2, 0x1fc4,
+  0x1fc6, 0x1fcc,
+  0x1fd0, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fe0, 0x1fec,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffc,
+  0x2071, 0x2071,
+  0x207f, 0x207f,
+  0x2090, 0x2094,
+  0x20d0, 0x20eb,
+  0x2102, 0x2102,
+  0x2107, 0x2107,
+  0x210a, 0x2113,
+  0x2115, 0x2115,
+  0x2119, 0x211d,
+  0x2124, 0x2124,
+  0x2126, 0x2126,
+  0x2128, 0x2128,
+  0x212a, 0x212d,
+  0x212f, 0x2131,
+  0x2133, 0x2139,
+  0x213c, 0x213f,
+  0x2145, 0x2149,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e,
+  0x2c80, 0x2ce4,
+  0x2d00, 0x2d25,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x3005, 0x3006,
+  0x302a, 0x302f,
+  0x3031, 0x3035,
+  0x303b, 0x303c,
+  0x3041, 0x3096,
+  0x3099, 0x309a,
+  0x309d, 0x309f,
+  0x30a1, 0x30fa,
+  0x30fc, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x31a0, 0x31b7,
+  0x31f0, 0x31ff,
+  0x3400, 0x4db5,
+  0x4e00, 0x9fbb,
+  0xa000, 0xa48c,
+  0xa800, 0xa827,
+  0xac00, 0xd7a3,
+  0xf900, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xfb1d, 0xfb28,
+  0xfb2a, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3d,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfb,
+  0xfe00, 0xfe0f,
+  0xfe20, 0xfe23,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xff21, 0xff3a,
+  0xff41, 0xff5a,
+  0xff66, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10300, 0x1031e,
+  0x10330, 0x10349,
+  0x10380, 0x1039d,
+  0x103a0, 0x103c3,
+  0x103c8, 0x103cf,
+  0x10400, 0x1049d,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a3f,
+  0x1d165, 0x1d169,
+  0x1d16d, 0x1d172,
+  0x1d17b, 0x1d182,
+  0x1d185, 0x1d18b,
+  0x1d1aa, 0x1d1ad,
+  0x1d242, 0x1d244,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d6c0,
+  0x1d6c2, 0x1d6da,
+  0x1d6dc, 0x1d6fa,
+  0x1d6fc, 0x1d714,
+  0x1d716, 0x1d734,
+  0x1d736, 0x1d74e,
+  0x1d750, 0x1d76e,
+  0x1d770, 0x1d788,
+  0x1d78a, 0x1d7a8,
+  0x1d7aa, 0x1d7c2,
+  0x1d7c4, 0x1d7c9,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d,
+  0xe0100, 0xe01ef
+}; /* CR_Alpha */
+
+/* 'Blank': [[:Blank:]] */
+static const OnigCodePoint CR_Blank[] = {
+  9,
+  0x0009, 0x0009,
+  0x0020, 0x0020,
+  0x00a0, 0x00a0,
+  0x1680, 0x1680,
+  0x180e, 0x180e,
+  0x2000, 0x200a,
+  0x202f, 0x202f,
+  0x205f, 0x205f,
+  0x3000, 0x3000
+}; /* CR_Blank */
+
+/* 'Cntrl': [[:Cntrl:]] */
+static const OnigCodePoint CR_Cntrl[] = {
+  19,
+  0x0000, 0x001f,
+  0x007f, 0x009f,
+  0x00ad, 0x00ad,
+  0x0600, 0x0603,
+  0x06dd, 0x06dd,
+  0x070f, 0x070f,
+  0x17b4, 0x17b5,
+  0x200b, 0x200f,
+  0x202a, 0x202e,
+  0x2060, 0x2063,
+  0x206a, 0x206f,
+  0xd800, 0xf8ff,
+  0xfeff, 0xfeff,
+  0xfff9, 0xfffb,
+  0x1d173, 0x1d17a,
+  0xe0001, 0xe0001,
+  0xe0020, 0xe007f,
+  0xf0000, 0xffffd,
+  0x100000, 0x10fffd
+}; /* CR_Cntrl */
+
+/* 'Digit': [[:Digit:]] */
+static const OnigCodePoint CR_Digit[] = {
+  23,
+  0x0030, 0x0039,
+  0x0660, 0x0669,
+  0x06f0, 0x06f9,
+  0x0966, 0x096f,
+  0x09e6, 0x09ef,
+  0x0a66, 0x0a6f,
+  0x0ae6, 0x0aef,
+  0x0b66, 0x0b6f,
+  0x0be6, 0x0bef,
+  0x0c66, 0x0c6f,
+  0x0ce6, 0x0cef,
+  0x0d66, 0x0d6f,
+  0x0e50, 0x0e59,
+  0x0ed0, 0x0ed9,
+  0x0f20, 0x0f29,
+  0x1040, 0x1049,
+  0x17e0, 0x17e9,
+  0x1810, 0x1819,
+  0x1946, 0x194f,
+  0x19d0, 0x19d9,
+  0xff10, 0xff19,
+  0x104a0, 0x104a9,
+  0x1d7ce, 0x1d7ff
+}; /* CR_Digit */
+
+/* 'Graph': [[:Graph:]] */
+static const OnigCodePoint CR_Graph[] = {
+  424,
+  0x0021, 0x007e,
+  0x00a1, 0x0241,
+  0x0250, 0x036f,
+  0x0374, 0x0375,
+  0x037a, 0x037a,
+  0x037e, 0x037e,
+  0x0384, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x0486,
+  0x0488, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x0531, 0x0556,
+  0x0559, 0x055f,
+  0x0561, 0x0587,
+  0x0589, 0x058a,
+  0x0591, 0x05b9,
+  0x05bb, 0x05c7,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f4,
+  0x0600, 0x0603,
+  0x060b, 0x0615,
+  0x061b, 0x061b,
+  0x061e, 0x061f,
+  0x0621, 0x063a,
+  0x0640, 0x065e,
+  0x0660, 0x070d,
+  0x070f, 0x074a,
+  0x074d, 0x076d,
+  0x0780, 0x07b1,
+  0x0901, 0x0939,
+  0x093c, 0x094d,
+  0x0950, 0x0954,
+  0x0958, 0x0970,
+  0x097d, 0x097d,
+  0x0981, 0x0983,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bc, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09ce,
+  0x09d7, 0x09d7,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e3,
+  0x09e6, 0x09fa,
+  0x0a01, 0x0a03,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a66, 0x0a74,
+  0x0a81, 0x0a83,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abc, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae3,
+  0x0ae6, 0x0aef,
+  0x0af1, 0x0af1,
+  0x0b01, 0x0b03,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3c, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b66, 0x0b71,
+  0x0b82, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0be6, 0x0bfa,
+  0x0c01, 0x0c03,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c60, 0x0c61,
+  0x0c66, 0x0c6f,
+  0x0c82, 0x0c83,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbc, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0ce6, 0x0cef,
+  0x0d02, 0x0d03,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d60, 0x0d61,
+  0x0d66, 0x0d6f,
+  0x0d82, 0x0d83,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df4,
+  0x0e01, 0x0e3a,
+  0x0e3f, 0x0e5b,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb9,
+  0x0ebb, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0ec8, 0x0ecd,
+  0x0ed0, 0x0ed9,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f71, 0x0f8b,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fbe, 0x0fcc,
+  0x0fcf, 0x0fd1,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1040, 0x1059,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fc,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x135f, 0x137c,
+  0x1380, 0x1399,
+  0x13a0, 0x13f4,
+  0x1401, 0x1676,
+  0x1681, 0x169c,
+  0x16a0, 0x16f0,
+  0x1700, 0x170c,
+  0x170e, 0x1714,
+  0x1720, 0x1736,
+  0x1740, 0x1753,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1772, 0x1773,
+  0x1780, 0x17dd,
+  0x17e0, 0x17e9,
+  0x17f0, 0x17f9,
+  0x1800, 0x180d,
+  0x1810, 0x1819,
+  0x1820, 0x1877,
+  0x1880, 0x18a9,
+  0x1900, 0x191c,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x1940, 0x1940,
+  0x1944, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19b0, 0x19c9,
+  0x19d0, 0x19d9,
+  0x19de, 0x1a1b,
+  0x1a1e, 0x1a1f,
+  0x1d00, 0x1dc3,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fc4,
+  0x1fc6, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fdd, 0x1fef,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffe,
+  0x200b, 0x2027,
+  0x202a, 0x202e,
+  0x2030, 0x205e,
+  0x2060, 0x2063,
+  0x206a, 0x2071,
+  0x2074, 0x208e,
+  0x2090, 0x2094,
+  0x20a0, 0x20b5,
+  0x20d0, 0x20eb,
+  0x2100, 0x214c,
+  0x2153, 0x2183,
+  0x2190, 0x23db,
+  0x2400, 0x2426,
+  0x2440, 0x244a,
+  0x2460, 0x269c,
+  0x26a0, 0x26b1,
+  0x2701, 0x2704,
+  0x2706, 0x2709,
+  0x270c, 0x2727,
+  0x2729, 0x274b,
+  0x274d, 0x274d,
+  0x274f, 0x2752,
+  0x2756, 0x2756,
+  0x2758, 0x275e,
+  0x2761, 0x2794,
+  0x2798, 0x27af,
+  0x27b1, 0x27be,
+  0x27c0, 0x27c6,
+  0x27d0, 0x27eb,
+  0x27f0, 0x2b13,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e,
+  0x2c80, 0x2cea,
+  0x2cf9, 0x2d25,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x2e00, 0x2e17,
+  0x2e1c, 0x2e1d,
+  0x2e80, 0x2e99,
+  0x2e9b, 0x2ef3,
+  0x2f00, 0x2fd5,
+  0x2ff0, 0x2ffb,
+  0x3001, 0x303f,
+  0x3041, 0x3096,
+  0x3099, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x3190, 0x31b7,
+  0x31c0, 0x31cf,
+  0x31f0, 0x321e,
+  0x3220, 0x3243,
+  0x3250, 0x32fe,
+  0x3300, 0x4db5,
+  0x4dc0, 0x9fbb,
+  0xa000, 0xa48c,
+  0xa490, 0xa4c6,
+  0xa700, 0xa716,
+  0xa800, 0xa82b,
+  0xac00, 0xd7a3,
+  0xe000, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xfb1d, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3f,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfd,
+  0xfe00, 0xfe19,
+  0xfe20, 0xfe23,
+  0xfe30, 0xfe52,
+  0xfe54, 0xfe66,
+  0xfe68, 0xfe6b,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xfeff, 0xfeff,
+  0xff01, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0xffe0, 0xffe6,
+  0xffe8, 0xffee,
+  0xfff9, 0xfffd,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10100, 0x10102,
+  0x10107, 0x10133,
+  0x10137, 0x1018a,
+  0x10300, 0x1031e,
+  0x10320, 0x10323,
+  0x10330, 0x1034a,
+  0x10380, 0x1039d,
+  0x1039f, 0x103c3,
+  0x103c8, 0x103d5,
+  0x10400, 0x1049d,
+  0x104a0, 0x104a9,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a47,
+  0x10a50, 0x10a58,
+  0x1d000, 0x1d0f5,
+  0x1d100, 0x1d126,
+  0x1d12a, 0x1d1dd,
+  0x1d200, 0x1d245,
+  0x1d300, 0x1d356,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d7c9,
+  0x1d7ce, 0x1d7ff,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d,
+  0xe0001, 0xe0001,
+  0xe0020, 0xe007f,
+  0xe0100, 0xe01ef,
+  0xf0000, 0xffffd,
+  0x100000, 0x10fffd
+}; /* CR_Graph */
+
+/* 'Lower': [[:Lower:]] */
+static const OnigCodePoint CR_Lower[] = {
+  480,
+  0x0061, 0x007a,
+  0x00aa, 0x00aa,
+  0x00b5, 0x00b5,
+  0x00ba, 0x00ba,
+  0x00df, 0x00f6,
+  0x00f8, 0x00ff,
+  0x0101, 0x0101,
+  0x0103, 0x0103,
+  0x0105, 0x0105,
+  0x0107, 0x0107,
+  0x0109, 0x0109,
+  0x010b, 0x010b,
+  0x010d, 0x010d,
+  0x010f, 0x010f,
+  0x0111, 0x0111,
+  0x0113, 0x0113,
+  0x0115, 0x0115,
+  0x0117, 0x0117,
+  0x0119, 0x0119,
+  0x011b, 0x011b,
+  0x011d, 0x011d,
+  0x011f, 0x011f,
+  0x0121, 0x0121,
+  0x0123, 0x0123,
+  0x0125, 0x0125,
+  0x0127, 0x0127,
+  0x0129, 0x0129,
+  0x012b, 0x012b,
+  0x012d, 0x012d,
+  0x012f, 0x012f,
+  0x0131, 0x0131,
+  0x0133, 0x0133,
+  0x0135, 0x0135,
+  0x0137, 0x0138,
+  0x013a, 0x013a,
+  0x013c, 0x013c,
+  0x013e, 0x013e,
+  0x0140, 0x0140,
+  0x0142, 0x0142,
+  0x0144, 0x0144,
+  0x0146, 0x0146,
+  0x0148, 0x0149,
+  0x014b, 0x014b,
+  0x014d, 0x014d,
+  0x014f, 0x014f,
+  0x0151, 0x0151,
+  0x0153, 0x0153,
+  0x0155, 0x0155,
+  0x0157, 0x0157,
+  0x0159, 0x0159,
+  0x015b, 0x015b,
+  0x015d, 0x015d,
+  0x015f, 0x015f,
+  0x0161, 0x0161,
+  0x0163, 0x0163,
+  0x0165, 0x0165,
+  0x0167, 0x0167,
+  0x0169, 0x0169,
+  0x016b, 0x016b,
+  0x016d, 0x016d,
+  0x016f, 0x016f,
+  0x0171, 0x0171,
+  0x0173, 0x0173,
+  0x0175, 0x0175,
+  0x0177, 0x0177,
+  0x017a, 0x017a,
+  0x017c, 0x017c,
+  0x017e, 0x0180,
+  0x0183, 0x0183,
+  0x0185, 0x0185,
+  0x0188, 0x0188,
+  0x018c, 0x018d,
+  0x0192, 0x0192,
+  0x0195, 0x0195,
+  0x0199, 0x019b,
+  0x019e, 0x019e,
+  0x01a1, 0x01a1,
+  0x01a3, 0x01a3,
+  0x01a5, 0x01a5,
+  0x01a8, 0x01a8,
+  0x01aa, 0x01ab,
+  0x01ad, 0x01ad,
+  0x01b0, 0x01b0,
+  0x01b4, 0x01b4,
+  0x01b6, 0x01b6,
+  0x01b9, 0x01ba,
+  0x01bd, 0x01bf,
+  0x01c6, 0x01c6,
+  0x01c9, 0x01c9,
+  0x01cc, 0x01cc,
+  0x01ce, 0x01ce,
+  0x01d0, 0x01d0,
+  0x01d2, 0x01d2,
+  0x01d4, 0x01d4,
+  0x01d6, 0x01d6,
+  0x01d8, 0x01d8,
+  0x01da, 0x01da,
+  0x01dc, 0x01dd,
+  0x01df, 0x01df,
+  0x01e1, 0x01e1,
+  0x01e3, 0x01e3,
+  0x01e5, 0x01e5,
+  0x01e7, 0x01e7,
+  0x01e9, 0x01e9,
+  0x01eb, 0x01eb,
+  0x01ed, 0x01ed,
+  0x01ef, 0x01f0,
+  0x01f3, 0x01f3,
+  0x01f5, 0x01f5,
+  0x01f9, 0x01f9,
+  0x01fb, 0x01fb,
+  0x01fd, 0x01fd,
+  0x01ff, 0x01ff,
+  0x0201, 0x0201,
+  0x0203, 0x0203,
+  0x0205, 0x0205,
+  0x0207, 0x0207,
+  0x0209, 0x0209,
+  0x020b, 0x020b,
+  0x020d, 0x020d,
+  0x020f, 0x020f,
+  0x0211, 0x0211,
+  0x0213, 0x0213,
+  0x0215, 0x0215,
+  0x0217, 0x0217,
+  0x0219, 0x0219,
+  0x021b, 0x021b,
+  0x021d, 0x021d,
+  0x021f, 0x021f,
+  0x0221, 0x0221,
+  0x0223, 0x0223,
+  0x0225, 0x0225,
+  0x0227, 0x0227,
+  0x0229, 0x0229,
+  0x022b, 0x022b,
+  0x022d, 0x022d,
+  0x022f, 0x022f,
+  0x0231, 0x0231,
+  0x0233, 0x0239,
+  0x023c, 0x023c,
+  0x023f, 0x0240,
+  0x0250, 0x02af,
+  0x0390, 0x0390,
+  0x03ac, 0x03ce,
+  0x03d0, 0x03d1,
+  0x03d5, 0x03d7,
+  0x03d9, 0x03d9,
+  0x03db, 0x03db,
+  0x03dd, 0x03dd,
+  0x03df, 0x03df,
+  0x03e1, 0x03e1,
+  0x03e3, 0x03e3,
+  0x03e5, 0x03e5,
+  0x03e7, 0x03e7,
+  0x03e9, 0x03e9,
+  0x03eb, 0x03eb,
+  0x03ed, 0x03ed,
+  0x03ef, 0x03f3,
+  0x03f5, 0x03f5,
+  0x03f8, 0x03f8,
+  0x03fb, 0x03fc,
+  0x0430, 0x045f,
+  0x0461, 0x0461,
+  0x0463, 0x0463,
+  0x0465, 0x0465,
+  0x0467, 0x0467,
+  0x0469, 0x0469,
+  0x046b, 0x046b,
+  0x046d, 0x046d,
+  0x046f, 0x046f,
+  0x0471, 0x0471,
+  0x0473, 0x0473,
+  0x0475, 0x0475,
+  0x0477, 0x0477,
+  0x0479, 0x0479,
+  0x047b, 0x047b,
+  0x047d, 0x047d,
+  0x047f, 0x047f,
+  0x0481, 0x0481,
+  0x048b, 0x048b,
+  0x048d, 0x048d,
+  0x048f, 0x048f,
+  0x0491, 0x0491,
+  0x0493, 0x0493,
+  0x0495, 0x0495,
+  0x0497, 0x0497,
+  0x0499, 0x0499,
+  0x049b, 0x049b,
+  0x049d, 0x049d,
+  0x049f, 0x049f,
+  0x04a1, 0x04a1,
+  0x04a3, 0x04a3,
+  0x04a5, 0x04a5,
+  0x04a7, 0x04a7,
+  0x04a9, 0x04a9,
+  0x04ab, 0x04ab,
+  0x04ad, 0x04ad,
+  0x04af, 0x04af,
+  0x04b1, 0x04b1,
+  0x04b3, 0x04b3,
+  0x04b5, 0x04b5,
+  0x04b7, 0x04b7,
+  0x04b9, 0x04b9,
+  0x04bb, 0x04bb,
+  0x04bd, 0x04bd,
+  0x04bf, 0x04bf,
+  0x04c2, 0x04c2,
+  0x04c4, 0x04c4,
+  0x04c6, 0x04c6,
+  0x04c8, 0x04c8,
+  0x04ca, 0x04ca,
+  0x04cc, 0x04cc,
+  0x04ce, 0x04ce,
+  0x04d1, 0x04d1,
+  0x04d3, 0x04d3,
+  0x04d5, 0x04d5,
+  0x04d7, 0x04d7,
+  0x04d9, 0x04d9,
+  0x04db, 0x04db,
+  0x04dd, 0x04dd,
+  0x04df, 0x04df,
+  0x04e1, 0x04e1,
+  0x04e3, 0x04e3,
+  0x04e5, 0x04e5,
+  0x04e7, 0x04e7,
+  0x04e9, 0x04e9,
+  0x04eb, 0x04eb,
+  0x04ed, 0x04ed,
+  0x04ef, 0x04ef,
+  0x04f1, 0x04f1,
+  0x04f3, 0x04f3,
+  0x04f5, 0x04f5,
+  0x04f7, 0x04f7,
+  0x04f9, 0x04f9,
+  0x0501, 0x0501,
+  0x0503, 0x0503,
+  0x0505, 0x0505,
+  0x0507, 0x0507,
+  0x0509, 0x0509,
+  0x050b, 0x050b,
+  0x050d, 0x050d,
+  0x050f, 0x050f,
+  0x0561, 0x0587,
+  0x1d00, 0x1d2b,
+  0x1d62, 0x1d77,
+  0x1d79, 0x1d9a,
+  0x1e01, 0x1e01,
+  0x1e03, 0x1e03,
+  0x1e05, 0x1e05,
+  0x1e07, 0x1e07,
+  0x1e09, 0x1e09,
+  0x1e0b, 0x1e0b,
+  0x1e0d, 0x1e0d,
+  0x1e0f, 0x1e0f,
+  0x1e11, 0x1e11,
+  0x1e13, 0x1e13,
+  0x1e15, 0x1e15,
+  0x1e17, 0x1e17,
+  0x1e19, 0x1e19,
+  0x1e1b, 0x1e1b,
+  0x1e1d, 0x1e1d,
+  0x1e1f, 0x1e1f,
+  0x1e21, 0x1e21,
+  0x1e23, 0x1e23,
+  0x1e25, 0x1e25,
+  0x1e27, 0x1e27,
+  0x1e29, 0x1e29,
+  0x1e2b, 0x1e2b,
+  0x1e2d, 0x1e2d,
+  0x1e2f, 0x1e2f,
+  0x1e31, 0x1e31,
+  0x1e33, 0x1e33,
+  0x1e35, 0x1e35,
+  0x1e37, 0x1e37,
+  0x1e39, 0x1e39,
+  0x1e3b, 0x1e3b,
+  0x1e3d, 0x1e3d,
+  0x1e3f, 0x1e3f,
+  0x1e41, 0x1e41,
+  0x1e43, 0x1e43,
+  0x1e45, 0x1e45,
+  0x1e47, 0x1e47,
+  0x1e49, 0x1e49,
+  0x1e4b, 0x1e4b,
+  0x1e4d, 0x1e4d,
+  0x1e4f, 0x1e4f,
+  0x1e51, 0x1e51,
+  0x1e53, 0x1e53,
+  0x1e55, 0x1e55,
+  0x1e57, 0x1e57,
+  0x1e59, 0x1e59,
+  0x1e5b, 0x1e5b,
+  0x1e5d, 0x1e5d,
+  0x1e5f, 0x1e5f,
+  0x1e61, 0x1e61,
+  0x1e63, 0x1e63,
+  0x1e65, 0x1e65,
+  0x1e67, 0x1e67,
+  0x1e69, 0x1e69,
+  0x1e6b, 0x1e6b,
+  0x1e6d, 0x1e6d,
+  0x1e6f, 0x1e6f,
+  0x1e71, 0x1e71,
+  0x1e73, 0x1e73,
+  0x1e75, 0x1e75,
+  0x1e77, 0x1e77,
+  0x1e79, 0x1e79,
+  0x1e7b, 0x1e7b,
+  0x1e7d, 0x1e7d,
+  0x1e7f, 0x1e7f,
+  0x1e81, 0x1e81,
+  0x1e83, 0x1e83,
+  0x1e85, 0x1e85,
+  0x1e87, 0x1e87,
+  0x1e89, 0x1e89,
+  0x1e8b, 0x1e8b,
+  0x1e8d, 0x1e8d,
+  0x1e8f, 0x1e8f,
+  0x1e91, 0x1e91,
+  0x1e93, 0x1e93,
+  0x1e95, 0x1e9b,
+  0x1ea1, 0x1ea1,
+  0x1ea3, 0x1ea3,
+  0x1ea5, 0x1ea5,
+  0x1ea7, 0x1ea7,
+  0x1ea9, 0x1ea9,
+  0x1eab, 0x1eab,
+  0x1ead, 0x1ead,
+  0x1eaf, 0x1eaf,
+  0x1eb1, 0x1eb1,
+  0x1eb3, 0x1eb3,
+  0x1eb5, 0x1eb5,
+  0x1eb7, 0x1eb7,
+  0x1eb9, 0x1eb9,
+  0x1ebb, 0x1ebb,
+  0x1ebd, 0x1ebd,
+  0x1ebf, 0x1ebf,
+  0x1ec1, 0x1ec1,
+  0x1ec3, 0x1ec3,
+  0x1ec5, 0x1ec5,
+  0x1ec7, 0x1ec7,
+  0x1ec9, 0x1ec9,
+  0x1ecb, 0x1ecb,
+  0x1ecd, 0x1ecd,
+  0x1ecf, 0x1ecf,
+  0x1ed1, 0x1ed1,
+  0x1ed3, 0x1ed3,
+  0x1ed5, 0x1ed5,
+  0x1ed7, 0x1ed7,
+  0x1ed9, 0x1ed9,
+  0x1edb, 0x1edb,
+  0x1edd, 0x1edd,
+  0x1edf, 0x1edf,
+  0x1ee1, 0x1ee1,
+  0x1ee3, 0x1ee3,
+  0x1ee5, 0x1ee5,
+  0x1ee7, 0x1ee7,
+  0x1ee9, 0x1ee9,
+  0x1eeb, 0x1eeb,
+  0x1eed, 0x1eed,
+  0x1eef, 0x1eef,
+  0x1ef1, 0x1ef1,
+  0x1ef3, 0x1ef3,
+  0x1ef5, 0x1ef5,
+  0x1ef7, 0x1ef7,
+  0x1ef9, 0x1ef9,
+  0x1f00, 0x1f07,
+  0x1f10, 0x1f15,
+  0x1f20, 0x1f27,
+  0x1f30, 0x1f37,
+  0x1f40, 0x1f45,
+  0x1f50, 0x1f57,
+  0x1f60, 0x1f67,
+  0x1f70, 0x1f7d,
+  0x1f80, 0x1f87,
+  0x1f90, 0x1f97,
+  0x1fa0, 0x1fa7,
+  0x1fb0, 0x1fb4,
+  0x1fb6, 0x1fb7,
+  0x1fbe, 0x1fbe,
+  0x1fc2, 0x1fc4,
+  0x1fc6, 0x1fc7,
+  0x1fd0, 0x1fd3,
+  0x1fd6, 0x1fd7,
+  0x1fe0, 0x1fe7,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ff7,
+  0x2071, 0x2071,
+  0x207f, 0x207f,
+  0x210a, 0x210a,
+  0x210e, 0x210f,
+  0x2113, 0x2113,
+  0x212f, 0x212f,
+  0x2134, 0x2134,
+  0x2139, 0x2139,
+  0x213c, 0x213d,
+  0x2146, 0x2149,
+  0x2c30, 0x2c5e,
+  0x2c81, 0x2c81,
+  0x2c83, 0x2c83,
+  0x2c85, 0x2c85,
+  0x2c87, 0x2c87,
+  0x2c89, 0x2c89,
+  0x2c8b, 0x2c8b,
+  0x2c8d, 0x2c8d,
+  0x2c8f, 0x2c8f,
+  0x2c91, 0x2c91,
+  0x2c93, 0x2c93,
+  0x2c95, 0x2c95,
+  0x2c97, 0x2c97,
+  0x2c99, 0x2c99,
+  0x2c9b, 0x2c9b,
+  0x2c9d, 0x2c9d,
+  0x2c9f, 0x2c9f,
+  0x2ca1, 0x2ca1,
+  0x2ca3, 0x2ca3,
+  0x2ca5, 0x2ca5,
+  0x2ca7, 0x2ca7,
+  0x2ca9, 0x2ca9,
+  0x2cab, 0x2cab,
+  0x2cad, 0x2cad,
+  0x2caf, 0x2caf,
+  0x2cb1, 0x2cb1,
+  0x2cb3, 0x2cb3,
+  0x2cb5, 0x2cb5,
+  0x2cb7, 0x2cb7,
+  0x2cb9, 0x2cb9,
+  0x2cbb, 0x2cbb,
+  0x2cbd, 0x2cbd,
+  0x2cbf, 0x2cbf,
+  0x2cc1, 0x2cc1,
+  0x2cc3, 0x2cc3,
+  0x2cc5, 0x2cc5,
+  0x2cc7, 0x2cc7,
+  0x2cc9, 0x2cc9,
+  0x2ccb, 0x2ccb,
+  0x2ccd, 0x2ccd,
+  0x2ccf, 0x2ccf,
+  0x2cd1, 0x2cd1,
+  0x2cd3, 0x2cd3,
+  0x2cd5, 0x2cd5,
+  0x2cd7, 0x2cd7,
+  0x2cd9, 0x2cd9,
+  0x2cdb, 0x2cdb,
+  0x2cdd, 0x2cdd,
+  0x2cdf, 0x2cdf,
+  0x2ce1, 0x2ce1,
+  0x2ce3, 0x2ce4,
+  0x2d00, 0x2d25,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xff41, 0xff5a,
+  0x10428, 0x1044f,
+  0x1d41a, 0x1d433,
+  0x1d44e, 0x1d454,
+  0x1d456, 0x1d467,
+  0x1d482, 0x1d49b,
+  0x1d4b6, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d4cf,
+  0x1d4ea, 0x1d503,
+  0x1d51e, 0x1d537,
+  0x1d552, 0x1d56b,
+  0x1d586, 0x1d59f,
+  0x1d5ba, 0x1d5d3,
+  0x1d5ee, 0x1d607,
+  0x1d622, 0x1d63b,
+  0x1d656, 0x1d66f,
+  0x1d68a, 0x1d6a5,
+  0x1d6c2, 0x1d6da,
+  0x1d6dc, 0x1d6e1,
+  0x1d6fc, 0x1d714,
+  0x1d716, 0x1d71b,
+  0x1d736, 0x1d74e,
+  0x1d750, 0x1d755,
+  0x1d770, 0x1d788,
+  0x1d78a, 0x1d78f,
+  0x1d7aa, 0x1d7c2,
+  0x1d7c4, 0x1d7c9
+}; /* CR_Lower */
+
+/* 'Print': [[:Print:]] */
+static const OnigCodePoint CR_Print[] = {
+  423,
+  0x0009, 0x000d,
+  0x0020, 0x007e,
+  0x0085, 0x0085,
+  0x00a0, 0x0241,
+  0x0250, 0x036f,
+  0x0374, 0x0375,
+  0x037a, 0x037a,
+  0x037e, 0x037e,
+  0x0384, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x0486,
+  0x0488, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x0531, 0x0556,
+  0x0559, 0x055f,
+  0x0561, 0x0587,
+  0x0589, 0x058a,
+  0x0591, 0x05b9,
+  0x05bb, 0x05c7,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f4,
+  0x0600, 0x0603,
+  0x060b, 0x0615,
+  0x061b, 0x061b,
+  0x061e, 0x061f,
+  0x0621, 0x063a,
+  0x0640, 0x065e,
+  0x0660, 0x070d,
+  0x070f, 0x074a,
+  0x074d, 0x076d,
+  0x0780, 0x07b1,
+  0x0901, 0x0939,
+  0x093c, 0x094d,
+  0x0950, 0x0954,
+  0x0958, 0x0970,
+  0x097d, 0x097d,
+  0x0981, 0x0983,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bc, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09ce,
+  0x09d7, 0x09d7,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e3,
+  0x09e6, 0x09fa,
+  0x0a01, 0x0a03,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a66, 0x0a74,
+  0x0a81, 0x0a83,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abc, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae3,
+  0x0ae6, 0x0aef,
+  0x0af1, 0x0af1,
+  0x0b01, 0x0b03,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3c, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b66, 0x0b71,
+  0x0b82, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0be6, 0x0bfa,
+  0x0c01, 0x0c03,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c60, 0x0c61,
+  0x0c66, 0x0c6f,
+  0x0c82, 0x0c83,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbc, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0ce6, 0x0cef,
+  0x0d02, 0x0d03,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d60, 0x0d61,
+  0x0d66, 0x0d6f,
+  0x0d82, 0x0d83,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df4,
+  0x0e01, 0x0e3a,
+  0x0e3f, 0x0e5b,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb9,
+  0x0ebb, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0ec8, 0x0ecd,
+  0x0ed0, 0x0ed9,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f71, 0x0f8b,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fbe, 0x0fcc,
+  0x0fcf, 0x0fd1,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1040, 0x1059,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fc,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x135f, 0x137c,
+  0x1380, 0x1399,
+  0x13a0, 0x13f4,
+  0x1401, 0x1676,
+  0x1680, 0x169c,
+  0x16a0, 0x16f0,
+  0x1700, 0x170c,
+  0x170e, 0x1714,
+  0x1720, 0x1736,
+  0x1740, 0x1753,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1772, 0x1773,
+  0x1780, 0x17dd,
+  0x17e0, 0x17e9,
+  0x17f0, 0x17f9,
+  0x1800, 0x180e,
+  0x1810, 0x1819,
+  0x1820, 0x1877,
+  0x1880, 0x18a9,
+  0x1900, 0x191c,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x1940, 0x1940,
+  0x1944, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19b0, 0x19c9,
+  0x19d0, 0x19d9,
+  0x19de, 0x1a1b,
+  0x1a1e, 0x1a1f,
+  0x1d00, 0x1dc3,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fc4,
+  0x1fc6, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fdd, 0x1fef,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffe,
+  0x2000, 0x2063,
+  0x206a, 0x2071,
+  0x2074, 0x208e,
+  0x2090, 0x2094,
+  0x20a0, 0x20b5,
+  0x20d0, 0x20eb,
+  0x2100, 0x214c,
+  0x2153, 0x2183,
+  0x2190, 0x23db,
+  0x2400, 0x2426,
+  0x2440, 0x244a,
+  0x2460, 0x269c,
+  0x26a0, 0x26b1,
+  0x2701, 0x2704,
+  0x2706, 0x2709,
+  0x270c, 0x2727,
+  0x2729, 0x274b,
+  0x274d, 0x274d,
+  0x274f, 0x2752,
+  0x2756, 0x2756,
+  0x2758, 0x275e,
+  0x2761, 0x2794,
+  0x2798, 0x27af,
+  0x27b1, 0x27be,
+  0x27c0, 0x27c6,
+  0x27d0, 0x27eb,
+  0x27f0, 0x2b13,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e,
+  0x2c80, 0x2cea,
+  0x2cf9, 0x2d25,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x2e00, 0x2e17,
+  0x2e1c, 0x2e1d,
+  0x2e80, 0x2e99,
+  0x2e9b, 0x2ef3,
+  0x2f00, 0x2fd5,
+  0x2ff0, 0x2ffb,
+  0x3000, 0x303f,
+  0x3041, 0x3096,
+  0x3099, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x3190, 0x31b7,
+  0x31c0, 0x31cf,
+  0x31f0, 0x321e,
+  0x3220, 0x3243,
+  0x3250, 0x32fe,
+  0x3300, 0x4db5,
+  0x4dc0, 0x9fbb,
+  0xa000, 0xa48c,
+  0xa490, 0xa4c6,
+  0xa700, 0xa716,
+  0xa800, 0xa82b,
+  0xac00, 0xd7a3,
+  0xe000, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xfb1d, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3f,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfd,
+  0xfe00, 0xfe19,
+  0xfe20, 0xfe23,
+  0xfe30, 0xfe52,
+  0xfe54, 0xfe66,
+  0xfe68, 0xfe6b,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xfeff, 0xfeff,
+  0xff01, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0xffe0, 0xffe6,
+  0xffe8, 0xffee,
+  0xfff9, 0xfffd,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10100, 0x10102,
+  0x10107, 0x10133,
+  0x10137, 0x1018a,
+  0x10300, 0x1031e,
+  0x10320, 0x10323,
+  0x10330, 0x1034a,
+  0x10380, 0x1039d,
+  0x1039f, 0x103c3,
+  0x103c8, 0x103d5,
+  0x10400, 0x1049d,
+  0x104a0, 0x104a9,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a47,
+  0x10a50, 0x10a58,
+  0x1d000, 0x1d0f5,
+  0x1d100, 0x1d126,
+  0x1d12a, 0x1d1dd,
+  0x1d200, 0x1d245,
+  0x1d300, 0x1d356,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d7c9,
+  0x1d7ce, 0x1d7ff,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d,
+  0xe0001, 0xe0001,
+  0xe0020, 0xe007f,
+  0xe0100, 0xe01ef,
+  0xf0000, 0xffffd,
+  0x100000, 0x10fffd
+}; /* CR_Print */
+
+/* 'Punct': [[:Punct:]] */
+static const OnigCodePoint CR_Punct[] = {
+  96,
+  0x0021, 0x0023,
+  0x0025, 0x002a,
+  0x002c, 0x002f,
+  0x003a, 0x003b,
+  0x003f, 0x0040,
+  0x005b, 0x005d,
+  0x005f, 0x005f,
+  0x007b, 0x007b,
+  0x007d, 0x007d,
+  0x00a1, 0x00a1,
+  0x00ab, 0x00ab,
+  0x00b7, 0x00b7,
+  0x00bb, 0x00bb,
+  0x00bf, 0x00bf,
+  0x037e, 0x037e,
+  0x0387, 0x0387,
+  0x055a, 0x055f,
+  0x0589, 0x058a,
+  0x05be, 0x05be,
+  0x05c0, 0x05c0,
+  0x05c3, 0x05c3,
+  0x05c6, 0x05c6,
+  0x05f3, 0x05f4,
+  0x060c, 0x060d,
+  0x061b, 0x061b,
+  0x061e, 0x061f,
+  0x066a, 0x066d,
+  0x06d4, 0x06d4,
+  0x0700, 0x070d,
+  0x0964, 0x0965,
+  0x0970, 0x0970,
+  0x0df4, 0x0df4,
+  0x0e4f, 0x0e4f,
+  0x0e5a, 0x0e5b,
+  0x0f04, 0x0f12,
+  0x0f3a, 0x0f3d,
+  0x0f85, 0x0f85,
+  0x0fd0, 0x0fd1,
+  0x104a, 0x104f,
+  0x10fb, 0x10fb,
+  0x1361, 0x1368,
+  0x166d, 0x166e,
+  0x169b, 0x169c,
+  0x16eb, 0x16ed,
+  0x1735, 0x1736,
+  0x17d4, 0x17d6,
+  0x17d8, 0x17da,
+  0x1800, 0x180a,
+  0x1944, 0x1945,
+  0x19de, 0x19df,
+  0x1a1e, 0x1a1f,
+  0x2010, 0x2027,
+  0x2030, 0x2043,
+  0x2045, 0x2051,
+  0x2053, 0x205e,
+  0x207d, 0x207e,
+  0x208d, 0x208e,
+  0x2329, 0x232a,
+  0x23b4, 0x23b6,
+  0x2768, 0x2775,
+  0x27c5, 0x27c6,
+  0x27e6, 0x27eb,
+  0x2983, 0x2998,
+  0x29d8, 0x29db,
+  0x29fc, 0x29fd,
+  0x2cf9, 0x2cfc,
+  0x2cfe, 0x2cff,
+  0x2e00, 0x2e17,
+  0x2e1c, 0x2e1d,
+  0x3001, 0x3003,
+  0x3008, 0x3011,
+  0x3014, 0x301f,
+  0x3030, 0x3030,
+  0x303d, 0x303d,
+  0x30a0, 0x30a0,
+  0x30fb, 0x30fb,
+  0xfd3e, 0xfd3f,
+  0xfe10, 0xfe19,
+  0xfe30, 0xfe52,
+  0xfe54, 0xfe61,
+  0xfe63, 0xfe63,
+  0xfe68, 0xfe68,
+  0xfe6a, 0xfe6b,
+  0xff01, 0xff03,
+  0xff05, 0xff0a,
+  0xff0c, 0xff0f,
+  0xff1a, 0xff1b,
+  0xff1f, 0xff20,
+  0xff3b, 0xff3d,
+  0xff3f, 0xff3f,
+  0xff5b, 0xff5b,
+  0xff5d, 0xff5d,
+  0xff5f, 0xff65,
+  0x10100, 0x10101,
+  0x1039f, 0x1039f,
+  0x10a50, 0x10a58
+}; /* CR_Punct */
+
+/* 'Space': [[:Space:]] */
+static const OnigCodePoint CR_Space[] = {
+  11,
+  0x0009, 0x000d,
+  0x0020, 0x0020,
+  0x0085, 0x0085,
+  0x00a0, 0x00a0,
+  0x1680, 0x1680,
+  0x180e, 0x180e,
+  0x2000, 0x200a,
+  0x2028, 0x2029,
+  0x202f, 0x202f,
+  0x205f, 0x205f,
+  0x3000, 0x3000
+}; /* CR_Space */
+
+/* 'Upper': [[:Upper:]] */
+static const OnigCodePoint CR_Upper[] = {
+  476,
+  0x0041, 0x005a,
+  0x00c0, 0x00d6,
+  0x00d8, 0x00de,
+  0x0100, 0x0100,
+  0x0102, 0x0102,
+  0x0104, 0x0104,
+  0x0106, 0x0106,
+  0x0108, 0x0108,
+  0x010a, 0x010a,
+  0x010c, 0x010c,
+  0x010e, 0x010e,
+  0x0110, 0x0110,
+  0x0112, 0x0112,
+  0x0114, 0x0114,
+  0x0116, 0x0116,
+  0x0118, 0x0118,
+  0x011a, 0x011a,
+  0x011c, 0x011c,
+  0x011e, 0x011e,
+  0x0120, 0x0120,
+  0x0122, 0x0122,
+  0x0124, 0x0124,
+  0x0126, 0x0126,
+  0x0128, 0x0128,
+  0x012a, 0x012a,
+  0x012c, 0x012c,
+  0x012e, 0x012e,
+  0x0130, 0x0130,
+  0x0132, 0x0132,
+  0x0134, 0x0134,
+  0x0136, 0x0136,
+  0x0139, 0x0139,
+  0x013b, 0x013b,
+  0x013d, 0x013d,
+  0x013f, 0x013f,
+  0x0141, 0x0141,
+  0x0143, 0x0143,
+  0x0145, 0x0145,
+  0x0147, 0x0147,
+  0x014a, 0x014a,
+  0x014c, 0x014c,
+  0x014e, 0x014e,
+  0x0150, 0x0150,
+  0x0152, 0x0152,
+  0x0154, 0x0154,
+  0x0156, 0x0156,
+  0x0158, 0x0158,
+  0x015a, 0x015a,
+  0x015c, 0x015c,
+  0x015e, 0x015e,
+  0x0160, 0x0160,
+  0x0162, 0x0162,
+  0x0164, 0x0164,
+  0x0166, 0x0166,
+  0x0168, 0x0168,
+  0x016a, 0x016a,
+  0x016c, 0x016c,
+  0x016e, 0x016e,
+  0x0170, 0x0170,
+  0x0172, 0x0172,
+  0x0174, 0x0174,
+  0x0176, 0x0176,
+  0x0178, 0x0179,
+  0x017b, 0x017b,
+  0x017d, 0x017d,
+  0x0181, 0x0182,
+  0x0184, 0x0184,
+  0x0186, 0x0187,
+  0x0189, 0x018b,
+  0x018e, 0x0191,
+  0x0193, 0x0194,
+  0x0196, 0x0198,
+  0x019c, 0x019d,
+  0x019f, 0x01a0,
+  0x01a2, 0x01a2,
+  0x01a4, 0x01a4,
+  0x01a6, 0x01a7,
+  0x01a9, 0x01a9,
+  0x01ac, 0x01ac,
+  0x01ae, 0x01af,
+  0x01b1, 0x01b3,
+  0x01b5, 0x01b5,
+  0x01b7, 0x01b8,
+  0x01bc, 0x01bc,
+  0x01c4, 0x01c4,
+  0x01c7, 0x01c7,
+  0x01ca, 0x01ca,
+  0x01cd, 0x01cd,
+  0x01cf, 0x01cf,
+  0x01d1, 0x01d1,
+  0x01d3, 0x01d3,
+  0x01d5, 0x01d5,
+  0x01d7, 0x01d7,
+  0x01d9, 0x01d9,
+  0x01db, 0x01db,
+  0x01de, 0x01de,
+  0x01e0, 0x01e0,
+  0x01e2, 0x01e2,
+  0x01e4, 0x01e4,
+  0x01e6, 0x01e6,
+  0x01e8, 0x01e8,
+  0x01ea, 0x01ea,
+  0x01ec, 0x01ec,
+  0x01ee, 0x01ee,
+  0x01f1, 0x01f1,
+  0x01f4, 0x01f4,
+  0x01f6, 0x01f8,
+  0x01fa, 0x01fa,
+  0x01fc, 0x01fc,
+  0x01fe, 0x01fe,
+  0x0200, 0x0200,
+  0x0202, 0x0202,
+  0x0204, 0x0204,
+  0x0206, 0x0206,
+  0x0208, 0x0208,
+  0x020a, 0x020a,
+  0x020c, 0x020c,
+  0x020e, 0x020e,
+  0x0210, 0x0210,
+  0x0212, 0x0212,
+  0x0214, 0x0214,
+  0x0216, 0x0216,
+  0x0218, 0x0218,
+  0x021a, 0x021a,
+  0x021c, 0x021c,
+  0x021e, 0x021e,
+  0x0220, 0x0220,
+  0x0222, 0x0222,
+  0x0224, 0x0224,
+  0x0226, 0x0226,
+  0x0228, 0x0228,
+  0x022a, 0x022a,
+  0x022c, 0x022c,
+  0x022e, 0x022e,
+  0x0230, 0x0230,
+  0x0232, 0x0232,
+  0x023a, 0x023b,
+  0x023d, 0x023e,
+  0x0241, 0x0241,
+  0x0386, 0x0386,
+  0x0388, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x038f,
+  0x0391, 0x03a1,
+  0x03a3, 0x03ab,
+  0x03d2, 0x03d4,
+  0x03d8, 0x03d8,
+  0x03da, 0x03da,
+  0x03dc, 0x03dc,
+  0x03de, 0x03de,
+  0x03e0, 0x03e0,
+  0x03e2, 0x03e2,
+  0x03e4, 0x03e4,
+  0x03e6, 0x03e6,
+  0x03e8, 0x03e8,
+  0x03ea, 0x03ea,
+  0x03ec, 0x03ec,
+  0x03ee, 0x03ee,
+  0x03f4, 0x03f4,
+  0x03f7, 0x03f7,
+  0x03f9, 0x03fa,
+  0x03fd, 0x042f,
+  0x0460, 0x0460,
+  0x0462, 0x0462,
+  0x0464, 0x0464,
+  0x0466, 0x0466,
+  0x0468, 0x0468,
+  0x046a, 0x046a,
+  0x046c, 0x046c,
+  0x046e, 0x046e,
+  0x0470, 0x0470,
+  0x0472, 0x0472,
+  0x0474, 0x0474,
+  0x0476, 0x0476,
+  0x0478, 0x0478,
+  0x047a, 0x047a,
+  0x047c, 0x047c,
+  0x047e, 0x047e,
+  0x0480, 0x0480,
+  0x048a, 0x048a,
+  0x048c, 0x048c,
+  0x048e, 0x048e,
+  0x0490, 0x0490,
+  0x0492, 0x0492,
+  0x0494, 0x0494,
+  0x0496, 0x0496,
+  0x0498, 0x0498,
+  0x049a, 0x049a,
+  0x049c, 0x049c,
+  0x049e, 0x049e,
+  0x04a0, 0x04a0,
+  0x04a2, 0x04a2,
+  0x04a4, 0x04a4,
+  0x04a6, 0x04a6,
+  0x04a8, 0x04a8,
+  0x04aa, 0x04aa,
+  0x04ac, 0x04ac,
+  0x04ae, 0x04ae,
+  0x04b0, 0x04b0,
+  0x04b2, 0x04b2,
+  0x04b4, 0x04b4,
+  0x04b6, 0x04b6,
+  0x04b8, 0x04b8,
+  0x04ba, 0x04ba,
+  0x04bc, 0x04bc,
+  0x04be, 0x04be,
+  0x04c0, 0x04c1,
+  0x04c3, 0x04c3,
+  0x04c5, 0x04c5,
+  0x04c7, 0x04c7,
+  0x04c9, 0x04c9,
+  0x04cb, 0x04cb,
+  0x04cd, 0x04cd,
+  0x04d0, 0x04d0,
+  0x04d2, 0x04d2,
+  0x04d4, 0x04d4,
+  0x04d6, 0x04d6,
+  0x04d8, 0x04d8,
+  0x04da, 0x04da,
+  0x04dc, 0x04dc,
+  0x04de, 0x04de,
+  0x04e0, 0x04e0,
+  0x04e2, 0x04e2,
+  0x04e4, 0x04e4,
+  0x04e6, 0x04e6,
+  0x04e8, 0x04e8,
+  0x04ea, 0x04ea,
+  0x04ec, 0x04ec,
+  0x04ee, 0x04ee,
+  0x04f0, 0x04f0,
+  0x04f2, 0x04f2,
+  0x04f4, 0x04f4,
+  0x04f6, 0x04f6,
+  0x04f8, 0x04f8,
+  0x0500, 0x0500,
+  0x0502, 0x0502,
+  0x0504, 0x0504,
+  0x0506, 0x0506,
+  0x0508, 0x0508,
+  0x050a, 0x050a,
+  0x050c, 0x050c,
+  0x050e, 0x050e,
+  0x0531, 0x0556,
+  0x10a0, 0x10c5,
+  0x1e00, 0x1e00,
+  0x1e02, 0x1e02,
+  0x1e04, 0x1e04,
+  0x1e06, 0x1e06,
+  0x1e08, 0x1e08,
+  0x1e0a, 0x1e0a,
+  0x1e0c, 0x1e0c,
+  0x1e0e, 0x1e0e,
+  0x1e10, 0x1e10,
+  0x1e12, 0x1e12,
+  0x1e14, 0x1e14,
+  0x1e16, 0x1e16,
+  0x1e18, 0x1e18,
+  0x1e1a, 0x1e1a,
+  0x1e1c, 0x1e1c,
+  0x1e1e, 0x1e1e,
+  0x1e20, 0x1e20,
+  0x1e22, 0x1e22,
+  0x1e24, 0x1e24,
+  0x1e26, 0x1e26,
+  0x1e28, 0x1e28,
+  0x1e2a, 0x1e2a,
+  0x1e2c, 0x1e2c,
+  0x1e2e, 0x1e2e,
+  0x1e30, 0x1e30,
+  0x1e32, 0x1e32,
+  0x1e34, 0x1e34,
+  0x1e36, 0x1e36,
+  0x1e38, 0x1e38,
+  0x1e3a, 0x1e3a,
+  0x1e3c, 0x1e3c,
+  0x1e3e, 0x1e3e,
+  0x1e40, 0x1e40,
+  0x1e42, 0x1e42,
+  0x1e44, 0x1e44,
+  0x1e46, 0x1e46,
+  0x1e48, 0x1e48,
+  0x1e4a, 0x1e4a,
+  0x1e4c, 0x1e4c,
+  0x1e4e, 0x1e4e,
+  0x1e50, 0x1e50,
+  0x1e52, 0x1e52,
+  0x1e54, 0x1e54,
+  0x1e56, 0x1e56,
+  0x1e58, 0x1e58,
+  0x1e5a, 0x1e5a,
+  0x1e5c, 0x1e5c,
+  0x1e5e, 0x1e5e,
+  0x1e60, 0x1e60,
+  0x1e62, 0x1e62,
+  0x1e64, 0x1e64,
+  0x1e66, 0x1e66,
+  0x1e68, 0x1e68,
+  0x1e6a, 0x1e6a,
+  0x1e6c, 0x1e6c,
+  0x1e6e, 0x1e6e,
+  0x1e70, 0x1e70,
+  0x1e72, 0x1e72,
+  0x1e74, 0x1e74,
+  0x1e76, 0x1e76,
+  0x1e78, 0x1e78,
+  0x1e7a, 0x1e7a,
+  0x1e7c, 0x1e7c,
+  0x1e7e, 0x1e7e,
+  0x1e80, 0x1e80,
+  0x1e82, 0x1e82,
+  0x1e84, 0x1e84,
+  0x1e86, 0x1e86,
+  0x1e88, 0x1e88,
+  0x1e8a, 0x1e8a,
+  0x1e8c, 0x1e8c,
+  0x1e8e, 0x1e8e,
+  0x1e90, 0x1e90,
+  0x1e92, 0x1e92,
+  0x1e94, 0x1e94,
+  0x1ea0, 0x1ea0,
+  0x1ea2, 0x1ea2,
+  0x1ea4, 0x1ea4,
+  0x1ea6, 0x1ea6,
+  0x1ea8, 0x1ea8,
+  0x1eaa, 0x1eaa,
+  0x1eac, 0x1eac,
+  0x1eae, 0x1eae,
+  0x1eb0, 0x1eb0,
+  0x1eb2, 0x1eb2,
+  0x1eb4, 0x1eb4,
+  0x1eb6, 0x1eb6,
+  0x1eb8, 0x1eb8,
+  0x1eba, 0x1eba,
+  0x1ebc, 0x1ebc,
+  0x1ebe, 0x1ebe,
+  0x1ec0, 0x1ec0,
+  0x1ec2, 0x1ec2,
+  0x1ec4, 0x1ec4,
+  0x1ec6, 0x1ec6,
+  0x1ec8, 0x1ec8,
+  0x1eca, 0x1eca,
+  0x1ecc, 0x1ecc,
+  0x1ece, 0x1ece,
+  0x1ed0, 0x1ed0,
+  0x1ed2, 0x1ed2,
+  0x1ed4, 0x1ed4,
+  0x1ed6, 0x1ed6,
+  0x1ed8, 0x1ed8,
+  0x1eda, 0x1eda,
+  0x1edc, 0x1edc,
+  0x1ede, 0x1ede,
+  0x1ee0, 0x1ee0,
+  0x1ee2, 0x1ee2,
+  0x1ee4, 0x1ee4,
+  0x1ee6, 0x1ee6,
+  0x1ee8, 0x1ee8,
+  0x1eea, 0x1eea,
+  0x1eec, 0x1eec,
+  0x1eee, 0x1eee,
+  0x1ef0, 0x1ef0,
+  0x1ef2, 0x1ef2,
+  0x1ef4, 0x1ef4,
+  0x1ef6, 0x1ef6,
+  0x1ef8, 0x1ef8,
+  0x1f08, 0x1f0f,
+  0x1f18, 0x1f1d,
+  0x1f28, 0x1f2f,
+  0x1f38, 0x1f3f,
+  0x1f48, 0x1f4d,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f5f,
+  0x1f68, 0x1f6f,
+  0x1fb8, 0x1fbb,
+  0x1fc8, 0x1fcb,
+  0x1fd8, 0x1fdb,
+  0x1fe8, 0x1fec,
+  0x1ff8, 0x1ffb,
+  0x2102, 0x2102,
+  0x2107, 0x2107,
+  0x210b, 0x210d,
+  0x2110, 0x2112,
+  0x2115, 0x2115,
+  0x2119, 0x211d,
+  0x2124, 0x2124,
+  0x2126, 0x2126,
+  0x2128, 0x2128,
+  0x212a, 0x212d,
+  0x2130, 0x2131,
+  0x2133, 0x2133,
+  0x213e, 0x213f,
+  0x2145, 0x2145,
+  0x2c00, 0x2c2e,
+  0x2c80, 0x2c80,
+  0x2c82, 0x2c82,
+  0x2c84, 0x2c84,
+  0x2c86, 0x2c86,
+  0x2c88, 0x2c88,
+  0x2c8a, 0x2c8a,
+  0x2c8c, 0x2c8c,
+  0x2c8e, 0x2c8e,
+  0x2c90, 0x2c90,
+  0x2c92, 0x2c92,
+  0x2c94, 0x2c94,
+  0x2c96, 0x2c96,
+  0x2c98, 0x2c98,
+  0x2c9a, 0x2c9a,
+  0x2c9c, 0x2c9c,
+  0x2c9e, 0x2c9e,
+  0x2ca0, 0x2ca0,
+  0x2ca2, 0x2ca2,
+  0x2ca4, 0x2ca4,
+  0x2ca6, 0x2ca6,
+  0x2ca8, 0x2ca8,
+  0x2caa, 0x2caa,
+  0x2cac, 0x2cac,
+  0x2cae, 0x2cae,
+  0x2cb0, 0x2cb0,
+  0x2cb2, 0x2cb2,
+  0x2cb4, 0x2cb4,
+  0x2cb6, 0x2cb6,
+  0x2cb8, 0x2cb8,
+  0x2cba, 0x2cba,
+  0x2cbc, 0x2cbc,
+  0x2cbe, 0x2cbe,
+  0x2cc0, 0x2cc0,
+  0x2cc2, 0x2cc2,
+  0x2cc4, 0x2cc4,
+  0x2cc6, 0x2cc6,
+  0x2cc8, 0x2cc8,
+  0x2cca, 0x2cca,
+  0x2ccc, 0x2ccc,
+  0x2cce, 0x2cce,
+  0x2cd0, 0x2cd0,
+  0x2cd2, 0x2cd2,
+  0x2cd4, 0x2cd4,
+  0x2cd6, 0x2cd6,
+  0x2cd8, 0x2cd8,
+  0x2cda, 0x2cda,
+  0x2cdc, 0x2cdc,
+  0x2cde, 0x2cde,
+  0x2ce0, 0x2ce0,
+  0x2ce2, 0x2ce2,
+  0xff21, 0xff3a,
+  0x10400, 0x10427,
+  0x1d400, 0x1d419,
+  0x1d434, 0x1d44d,
+  0x1d468, 0x1d481,
+  0x1d49c, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b5,
+  0x1d4d0, 0x1d4e9,
+  0x1d504, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d538, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d56c, 0x1d585,
+  0x1d5a0, 0x1d5b9,
+  0x1d5d4, 0x1d5ed,
+  0x1d608, 0x1d621,
+  0x1d63c, 0x1d655,
+  0x1d670, 0x1d689,
+  0x1d6a8, 0x1d6c0,
+  0x1d6e2, 0x1d6fa,
+  0x1d71c, 0x1d734,
+  0x1d756, 0x1d76e,
+  0x1d790, 0x1d7a8
+}; /* CR_Upper */
+
+/* 'XDigit': [[:XDigit:]] */
+static const OnigCodePoint CR_XDigit[] = {
+  3,
+  0x0030, 0x0039,
+  0x0041, 0x0046,
+  0x0061, 0x0066
+}; /* CR_XDigit */
+
+/* 'Word': [[:Word:]] */
+static const OnigCodePoint CR_Word[] = {
+  464,
+  0x0030, 0x0039,
+  0x0041, 0x005a,
+  0x005f, 0x005f,
+  0x0061, 0x007a,
+  0x00aa, 0x00aa,
+  0x00b2, 0x00b3,
+  0x00b5, 0x00b5,
+  0x00b9, 0x00ba,
+  0x00bc, 0x00be,
+  0x00c0, 0x00d6,
+  0x00d8, 0x00f6,
+  0x00f8, 0x0241,
+  0x0250, 0x02c1,
+  0x02c6, 0x02d1,
+  0x02e0, 0x02e4,
+  0x02ee, 0x02ee,
+  0x0300, 0x036f,
+  0x037a, 0x037a,
+  0x0386, 0x0386,
+  0x0388, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x03f5,
+  0x03f7, 0x0481,
+  0x0483, 0x0486,
+  0x0488, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x0531, 0x0556,
+  0x0559, 0x0559,
+  0x0561, 0x0587,
+  0x0591, 0x05b9,
+  0x05bb, 0x05bd,
+  0x05bf, 0x05bf,
+  0x05c1, 0x05c2,
+  0x05c4, 0x05c5,
+  0x05c7, 0x05c7,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f2,
+  0x0610, 0x0615,
+  0x0621, 0x063a,
+  0x0640, 0x065e,
+  0x0660, 0x0669,
+  0x066e, 0x06d3,
+  0x06d5, 0x06dc,
+  0x06de, 0x06e8,
+  0x06ea, 0x06fc,
+  0x06ff, 0x06ff,
+  0x0710, 0x074a,
+  0x074d, 0x076d,
+  0x0780, 0x07b1,
+  0x0901, 0x0939,
+  0x093c, 0x094d,
+  0x0950, 0x0954,
+  0x0958, 0x0963,
+  0x0966, 0x096f,
+  0x097d, 0x097d,
+  0x0981, 0x0983,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bc, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09ce,
+  0x09d7, 0x09d7,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e3,
+  0x09e6, 0x09f1,
+  0x09f4, 0x09f9,
+  0x0a01, 0x0a03,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a66, 0x0a74,
+  0x0a81, 0x0a83,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abc, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae3,
+  0x0ae6, 0x0aef,
+  0x0b01, 0x0b03,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3c, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b66, 0x0b6f,
+  0x0b71, 0x0b71,
+  0x0b82, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0be6, 0x0bf2,
+  0x0c01, 0x0c03,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c60, 0x0c61,
+  0x0c66, 0x0c6f,
+  0x0c82, 0x0c83,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbc, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0ce6, 0x0cef,
+  0x0d02, 0x0d03,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d60, 0x0d61,
+  0x0d66, 0x0d6f,
+  0x0d82, 0x0d83,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df3,
+  0x0e01, 0x0e3a,
+  0x0e40, 0x0e4e,
+  0x0e50, 0x0e59,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb9,
+  0x0ebb, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0ec8, 0x0ecd,
+  0x0ed0, 0x0ed9,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f00,
+  0x0f18, 0x0f19,
+  0x0f20, 0x0f33,
+  0x0f35, 0x0f35,
+  0x0f37, 0x0f37,
+  0x0f39, 0x0f39,
+  0x0f3e, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f71, 0x0f84,
+  0x0f86, 0x0f8b,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fc6, 0x0fc6,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1040, 0x1049,
+  0x1050, 0x1059,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fa,
+  0x10fc, 0x10fc,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x135f, 0x135f,
+  0x1369, 0x137c,
+  0x1380, 0x138f,
+  0x13a0, 0x13f4,
+  0x1401, 0x166c,
+  0x166f, 0x1676,
+  0x1681, 0x169a,
+  0x16a0, 0x16ea,
+  0x16ee, 0x16f0,
+  0x1700, 0x170c,
+  0x170e, 0x1714,
+  0x1720, 0x1734,
+  0x1740, 0x1753,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1772, 0x1773,
+  0x1780, 0x17b3,
+  0x17b6, 0x17d3,
+  0x17d7, 0x17d7,
+  0x17dc, 0x17dd,
+  0x17e0, 0x17e9,
+  0x17f0, 0x17f9,
+  0x180b, 0x180d,
+  0x1810, 0x1819,
+  0x1820, 0x1877,
+  0x1880, 0x18a9,
+  0x1900, 0x191c,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x1946, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19b0, 0x19c9,
+  0x19d0, 0x19d9,
+  0x1a00, 0x1a1b,
+  0x1d00, 0x1dc3,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fbc,
+  0x1fbe, 0x1fbe,
+  0x1fc2, 0x1fc4,
+  0x1fc6, 0x1fcc,
+  0x1fd0, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fe0, 0x1fec,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffc,
+  0x203f, 0x2040,
+  0x2054, 0x2054,
+  0x2070, 0x2071,
+  0x2074, 0x2079,
+  0x207f, 0x2089,
+  0x2090, 0x2094,
+  0x20d0, 0x20eb,
+  0x2102, 0x2102,
+  0x2107, 0x2107,
+  0x210a, 0x2113,
+  0x2115, 0x2115,
+  0x2119, 0x211d,
+  0x2124, 0x2124,
+  0x2126, 0x2126,
+  0x2128, 0x2128,
+  0x212a, 0x212d,
+  0x212f, 0x2131,
+  0x2133, 0x2139,
+  0x213c, 0x213f,
+  0x2145, 0x2149,
+  0x2153, 0x2183,
+  0x2460, 0x249b,
+  0x24ea, 0x24ff,
+  0x2776, 0x2793,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e,
+  0x2c80, 0x2ce4,
+  0x2cfd, 0x2cfd,
+  0x2d00, 0x2d25,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x3005, 0x3007,
+  0x3021, 0x302f,
+  0x3031, 0x3035,
+  0x3038, 0x303c,
+  0x3041, 0x3096,
+  0x3099, 0x309a,
+  0x309d, 0x309f,
+  0x30a1, 0x30fa,
+  0x30fc, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x3192, 0x3195,
+  0x31a0, 0x31b7,
+  0x31f0, 0x31ff,
+  0x3220, 0x3229,
+  0x3251, 0x325f,
+  0x3280, 0x3289,
+  0x32b1, 0x32bf,
+  0x3400, 0x4db5,
+  0x4e00, 0x9fbb,
+  0xa000, 0xa48c,
+  0xa800, 0xa827,
+  0xac00, 0xd7a3,
+  0xf900, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xfb1d, 0xfb28,
+  0xfb2a, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3d,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfb,
+  0xfe00, 0xfe0f,
+  0xfe20, 0xfe23,
+  0xfe33, 0xfe34,
+  0xfe4d, 0xfe4f,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xff10, 0xff19,
+  0xff21, 0xff3a,
+  0xff3f, 0xff3f,
+  0xff41, 0xff5a,
+  0xff66, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10107, 0x10133,
+  0x10140, 0x10178,
+  0x1018a, 0x1018a,
+  0x10300, 0x1031e,
+  0x10320, 0x10323,
+  0x10330, 0x1034a,
+  0x10380, 0x1039d,
+  0x103a0, 0x103c3,
+  0x103c8, 0x103cf,
+  0x103d1, 0x103d5,
+  0x10400, 0x1049d,
+  0x104a0, 0x104a9,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a47,
+  0x1d165, 0x1d169,
+  0x1d16d, 0x1d172,
+  0x1d17b, 0x1d182,
+  0x1d185, 0x1d18b,
+  0x1d1aa, 0x1d1ad,
+  0x1d242, 0x1d244,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d6c0,
+  0x1d6c2, 0x1d6da,
+  0x1d6dc, 0x1d6fa,
+  0x1d6fc, 0x1d714,
+  0x1d716, 0x1d734,
+  0x1d736, 0x1d74e,
+  0x1d750, 0x1d76e,
+  0x1d770, 0x1d788,
+  0x1d78a, 0x1d7a8,
+  0x1d7aa, 0x1d7c2,
+  0x1d7c4, 0x1d7c9,
+  0x1d7ce, 0x1d7ff,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d,
+  0xe0100, 0xe01ef
+}; /* CR_Word */
+
+/* 'Alnum': [[:Alnum:]] */
+static const OnigCodePoint CR_Alnum[] = {
+  436,
+  0x0030, 0x0039,
+  0x0041, 0x005a,
+  0x0061, 0x007a,
+  0x00aa, 0x00aa,
+  0x00b5, 0x00b5,
+  0x00ba, 0x00ba,
+  0x00c0, 0x00d6,
+  0x00d8, 0x00f6,
+  0x00f8, 0x0241,
+  0x0250, 0x02c1,
+  0x02c6, 0x02d1,
+  0x02e0, 0x02e4,
+  0x02ee, 0x02ee,
+  0x0300, 0x036f,
+  0x037a, 0x037a,
+  0x0386, 0x0386,
+  0x0388, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x03f5,
+  0x03f7, 0x0481,
+  0x0483, 0x0486,
+  0x0488, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x0531, 0x0556,
+  0x0559, 0x0559,
+  0x0561, 0x0587,
+  0x0591, 0x05b9,
+  0x05bb, 0x05bd,
+  0x05bf, 0x05bf,
+  0x05c1, 0x05c2,
+  0x05c4, 0x05c5,
+  0x05c7, 0x05c7,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f2,
+  0x0610, 0x0615,
+  0x0621, 0x063a,
+  0x0640, 0x065e,
+  0x0660, 0x0669,
+  0x066e, 0x06d3,
+  0x06d5, 0x06dc,
+  0x06de, 0x06e8,
+  0x06ea, 0x06fc,
+  0x06ff, 0x06ff,
+  0x0710, 0x074a,
+  0x074d, 0x076d,
+  0x0780, 0x07b1,
+  0x0901, 0x0939,
+  0x093c, 0x094d,
+  0x0950, 0x0954,
+  0x0958, 0x0963,
+  0x0966, 0x096f,
+  0x097d, 0x097d,
+  0x0981, 0x0983,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bc, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09ce,
+  0x09d7, 0x09d7,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e3,
+  0x09e6, 0x09f1,
+  0x0a01, 0x0a03,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a66, 0x0a74,
+  0x0a81, 0x0a83,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abc, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae3,
+  0x0ae6, 0x0aef,
+  0x0b01, 0x0b03,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3c, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b66, 0x0b6f,
+  0x0b71, 0x0b71,
+  0x0b82, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0be6, 0x0bef,
+  0x0c01, 0x0c03,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c60, 0x0c61,
+  0x0c66, 0x0c6f,
+  0x0c82, 0x0c83,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbc, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0ce6, 0x0cef,
+  0x0d02, 0x0d03,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d60, 0x0d61,
+  0x0d66, 0x0d6f,
+  0x0d82, 0x0d83,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df3,
+  0x0e01, 0x0e3a,
+  0x0e40, 0x0e4e,
+  0x0e50, 0x0e59,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb9,
+  0x0ebb, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0ec8, 0x0ecd,
+  0x0ed0, 0x0ed9,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f00,
+  0x0f18, 0x0f19,
+  0x0f20, 0x0f29,
+  0x0f35, 0x0f35,
+  0x0f37, 0x0f37,
+  0x0f39, 0x0f39,
+  0x0f3e, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f71, 0x0f84,
+  0x0f86, 0x0f8b,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fc6, 0x0fc6,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1040, 0x1049,
+  0x1050, 0x1059,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fa,
+  0x10fc, 0x10fc,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x135f, 0x135f,
+  0x1380, 0x138f,
+  0x13a0, 0x13f4,
+  0x1401, 0x166c,
+  0x166f, 0x1676,
+  0x1681, 0x169a,
+  0x16a0, 0x16ea,
+  0x1700, 0x170c,
+  0x170e, 0x1714,
+  0x1720, 0x1734,
+  0x1740, 0x1753,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1772, 0x1773,
+  0x1780, 0x17b3,
+  0x17b6, 0x17d3,
+  0x17d7, 0x17d7,
+  0x17dc, 0x17dd,
+  0x17e0, 0x17e9,
+  0x180b, 0x180d,
+  0x1810, 0x1819,
+  0x1820, 0x1877,
+  0x1880, 0x18a9,
+  0x1900, 0x191c,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x1946, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19b0, 0x19c9,
+  0x19d0, 0x19d9,
+  0x1a00, 0x1a1b,
+  0x1d00, 0x1dc3,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fbc,
+  0x1fbe, 0x1fbe,
+  0x1fc2, 0x1fc4,
+  0x1fc6, 0x1fcc,
+  0x1fd0, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fe0, 0x1fec,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffc,
+  0x2071, 0x2071,
+  0x207f, 0x207f,
+  0x2090, 0x2094,
+  0x20d0, 0x20eb,
+  0x2102, 0x2102,
+  0x2107, 0x2107,
+  0x210a, 0x2113,
+  0x2115, 0x2115,
+  0x2119, 0x211d,
+  0x2124, 0x2124,
+  0x2126, 0x2126,
+  0x2128, 0x2128,
+  0x212a, 0x212d,
+  0x212f, 0x2131,
+  0x2133, 0x2139,
+  0x213c, 0x213f,
+  0x2145, 0x2149,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e,
+  0x2c80, 0x2ce4,
+  0x2d00, 0x2d25,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x3005, 0x3006,
+  0x302a, 0x302f,
+  0x3031, 0x3035,
+  0x303b, 0x303c,
+  0x3041, 0x3096,
+  0x3099, 0x309a,
+  0x309d, 0x309f,
+  0x30a1, 0x30fa,
+  0x30fc, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x31a0, 0x31b7,
+  0x31f0, 0x31ff,
+  0x3400, 0x4db5,
+  0x4e00, 0x9fbb,
+  0xa000, 0xa48c,
+  0xa800, 0xa827,
+  0xac00, 0xd7a3,
+  0xf900, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xfb1d, 0xfb28,
+  0xfb2a, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3d,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfb,
+  0xfe00, 0xfe0f,
+  0xfe20, 0xfe23,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xff10, 0xff19,
+  0xff21, 0xff3a,
+  0xff41, 0xff5a,
+  0xff66, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10300, 0x1031e,
+  0x10330, 0x10349,
+  0x10380, 0x1039d,
+  0x103a0, 0x103c3,
+  0x103c8, 0x103cf,
+  0x10400, 0x1049d,
+  0x104a0, 0x104a9,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a3f,
+  0x1d165, 0x1d169,
+  0x1d16d, 0x1d172,
+  0x1d17b, 0x1d182,
+  0x1d185, 0x1d18b,
+  0x1d1aa, 0x1d1ad,
+  0x1d242, 0x1d244,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d6c0,
+  0x1d6c2, 0x1d6da,
+  0x1d6dc, 0x1d6fa,
+  0x1d6fc, 0x1d714,
+  0x1d716, 0x1d734,
+  0x1d736, 0x1d74e,
+  0x1d750, 0x1d76e,
+  0x1d770, 0x1d788,
+  0x1d78a, 0x1d7a8,
+  0x1d7aa, 0x1d7c2,
+  0x1d7c4, 0x1d7c9,
+  0x1d7ce, 0x1d7ff,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d,
+  0xe0100, 0xe01ef
+}; /* CR_Alnum */
+
+/* 'ASCII': [[:ASCII:]] */
+static const OnigCodePoint CR_ASCII[] = {
+  1,
+  0x0000, 0x007f
+}; /* CR_ASCII */
+
+#ifdef USE_UNICODE_PROPERTIES
+
+/* 'Any': - */
+static const OnigCodePoint CR_Any[] = {
+  1,
+  0x0000, 0x10ffff
+}; /* CR_Any */
+
+/* 'Assigned': - */
+static const OnigCodePoint CR_Assigned[] = {
+  420,
+  0x0000, 0x0241,
+  0x0250, 0x036f,
+  0x0374, 0x0375,
+  0x037a, 0x037a,
+  0x037e, 0x037e,
+  0x0384, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x0486,
+  0x0488, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x0531, 0x0556,
+  0x0559, 0x055f,
+  0x0561, 0x0587,
+  0x0589, 0x058a,
+  0x0591, 0x05b9,
+  0x05bb, 0x05c7,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f4,
+  0x0600, 0x0603,
+  0x060b, 0x0615,
+  0x061b, 0x061b,
+  0x061e, 0x061f,
+  0x0621, 0x063a,
+  0x0640, 0x065e,
+  0x0660, 0x070d,
+  0x070f, 0x074a,
+  0x074d, 0x076d,
+  0x0780, 0x07b1,
+  0x0901, 0x0939,
+  0x093c, 0x094d,
+  0x0950, 0x0954,
+  0x0958, 0x0970,
+  0x097d, 0x097d,
+  0x0981, 0x0983,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bc, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09ce,
+  0x09d7, 0x09d7,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e3,
+  0x09e6, 0x09fa,
+  0x0a01, 0x0a03,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a66, 0x0a74,
+  0x0a81, 0x0a83,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abc, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae3,
+  0x0ae6, 0x0aef,
+  0x0af1, 0x0af1,
+  0x0b01, 0x0b03,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3c, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b66, 0x0b71,
+  0x0b82, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0be6, 0x0bfa,
+  0x0c01, 0x0c03,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c60, 0x0c61,
+  0x0c66, 0x0c6f,
+  0x0c82, 0x0c83,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbc, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0ce6, 0x0cef,
+  0x0d02, 0x0d03,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d60, 0x0d61,
+  0x0d66, 0x0d6f,
+  0x0d82, 0x0d83,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df4,
+  0x0e01, 0x0e3a,
+  0x0e3f, 0x0e5b,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb9,
+  0x0ebb, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0ec8, 0x0ecd,
+  0x0ed0, 0x0ed9,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f71, 0x0f8b,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fbe, 0x0fcc,
+  0x0fcf, 0x0fd1,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1040, 0x1059,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fc,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x135f, 0x137c,
+  0x1380, 0x1399,
+  0x13a0, 0x13f4,
+  0x1401, 0x1676,
+  0x1680, 0x169c,
+  0x16a0, 0x16f0,
+  0x1700, 0x170c,
+  0x170e, 0x1714,
+  0x1720, 0x1736,
+  0x1740, 0x1753,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1772, 0x1773,
+  0x1780, 0x17dd,
+  0x17e0, 0x17e9,
+  0x17f0, 0x17f9,
+  0x1800, 0x180e,
+  0x1810, 0x1819,
+  0x1820, 0x1877,
+  0x1880, 0x18a9,
+  0x1900, 0x191c,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x1940, 0x1940,
+  0x1944, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19b0, 0x19c9,
+  0x19d0, 0x19d9,
+  0x19de, 0x1a1b,
+  0x1a1e, 0x1a1f,
+  0x1d00, 0x1dc3,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fc4,
+  0x1fc6, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fdd, 0x1fef,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffe,
+  0x2000, 0x2063,
+  0x206a, 0x2071,
+  0x2074, 0x208e,
+  0x2090, 0x2094,
+  0x20a0, 0x20b5,
+  0x20d0, 0x20eb,
+  0x2100, 0x214c,
+  0x2153, 0x2183,
+  0x2190, 0x23db,
+  0x2400, 0x2426,
+  0x2440, 0x244a,
+  0x2460, 0x269c,
+  0x26a0, 0x26b1,
+  0x2701, 0x2704,
+  0x2706, 0x2709,
+  0x270c, 0x2727,
+  0x2729, 0x274b,
+  0x274d, 0x274d,
+  0x274f, 0x2752,
+  0x2756, 0x2756,
+  0x2758, 0x275e,
+  0x2761, 0x2794,
+  0x2798, 0x27af,
+  0x27b1, 0x27be,
+  0x27c0, 0x27c6,
+  0x27d0, 0x27eb,
+  0x27f0, 0x2b13,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e,
+  0x2c80, 0x2cea,
+  0x2cf9, 0x2d25,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x2e00, 0x2e17,
+  0x2e1c, 0x2e1d,
+  0x2e80, 0x2e99,
+  0x2e9b, 0x2ef3,
+  0x2f00, 0x2fd5,
+  0x2ff0, 0x2ffb,
+  0x3000, 0x303f,
+  0x3041, 0x3096,
+  0x3099, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x3190, 0x31b7,
+  0x31c0, 0x31cf,
+  0x31f0, 0x321e,
+  0x3220, 0x3243,
+  0x3250, 0x32fe,
+  0x3300, 0x4db5,
+  0x4dc0, 0x9fbb,
+  0xa000, 0xa48c,
+  0xa490, 0xa4c6,
+  0xa700, 0xa716,
+  0xa800, 0xa82b,
+  0xac00, 0xd7a3,
+  0xd800, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xfb1d, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3f,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfd,
+  0xfe00, 0xfe19,
+  0xfe20, 0xfe23,
+  0xfe30, 0xfe52,
+  0xfe54, 0xfe66,
+  0xfe68, 0xfe6b,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xfeff, 0xfeff,
+  0xff01, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0xffe0, 0xffe6,
+  0xffe8, 0xffee,
+  0xfff9, 0xfffd,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10100, 0x10102,
+  0x10107, 0x10133,
+  0x10137, 0x1018a,
+  0x10300, 0x1031e,
+  0x10320, 0x10323,
+  0x10330, 0x1034a,
+  0x10380, 0x1039d,
+  0x1039f, 0x103c3,
+  0x103c8, 0x103d5,
+  0x10400, 0x1049d,
+  0x104a0, 0x104a9,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a47,
+  0x10a50, 0x10a58,
+  0x1d000, 0x1d0f5,
+  0x1d100, 0x1d126,
+  0x1d12a, 0x1d1dd,
+  0x1d200, 0x1d245,
+  0x1d300, 0x1d356,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d7c9,
+  0x1d7ce, 0x1d7ff,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d,
+  0xe0001, 0xe0001,
+  0xe0020, 0xe007f,
+  0xe0100, 0xe01ef,
+  0xf0000, 0xffffd,
+  0x100000, 0x10fffd
+}; /* CR_Assigned */
+
+/* 'C': Major Category */
+static const OnigCodePoint CR_C[] = {
+  422,
+  0x0000, 0x001f,
+  0x007f, 0x009f,
+  0x00ad, 0x00ad,
+  0x0242, 0x024f,
+  0x0370, 0x0373,
+  0x0376, 0x0379,
+  0x037b, 0x037d,
+  0x037f, 0x0383,
+  0x038b, 0x038b,
+  0x038d, 0x038d,
+  0x03a2, 0x03a2,
+  0x03cf, 0x03cf,
+  0x0487, 0x0487,
+  0x04cf, 0x04cf,
+  0x04fa, 0x04ff,
+  0x0510, 0x0530,
+  0x0557, 0x0558,
+  0x0560, 0x0560,
+  0x0588, 0x0588,
+  0x058b, 0x0590,
+  0x05ba, 0x05ba,
+  0x05c8, 0x05cf,
+  0x05eb, 0x05ef,
+  0x05f5, 0x060a,
+  0x0616, 0x061a,
+  0x061c, 0x061d,
+  0x0620, 0x0620,
+  0x063b, 0x063f,
+  0x065f, 0x065f,
+  0x06dd, 0x06dd,
+  0x070e, 0x070f,
+  0x074b, 0x074c,
+  0x076e, 0x077f,
+  0x07b2, 0x0900,
+  0x093a, 0x093b,
+  0x094e, 0x094f,
+  0x0955, 0x0957,
+  0x0971, 0x097c,
+  0x097e, 0x0980,
+  0x0984, 0x0984,
+  0x098d, 0x098e,
+  0x0991, 0x0992,
+  0x09a9, 0x09a9,
+  0x09b1, 0x09b1,
+  0x09b3, 0x09b5,
+  0x09ba, 0x09bb,
+  0x09c5, 0x09c6,
+  0x09c9, 0x09ca,
+  0x09cf, 0x09d6,
+  0x09d8, 0x09db,
+  0x09de, 0x09de,
+  0x09e4, 0x09e5,
+  0x09fb, 0x0a00,
+  0x0a04, 0x0a04,
+  0x0a0b, 0x0a0e,
+  0x0a11, 0x0a12,
+  0x0a29, 0x0a29,
+  0x0a31, 0x0a31,
+  0x0a34, 0x0a34,
+  0x0a37, 0x0a37,
+  0x0a3a, 0x0a3b,
+  0x0a3d, 0x0a3d,
+  0x0a43, 0x0a46,
+  0x0a49, 0x0a4a,
+  0x0a4e, 0x0a58,
+  0x0a5d, 0x0a5d,
+  0x0a5f, 0x0a65,
+  0x0a75, 0x0a80,
+  0x0a84, 0x0a84,
+  0x0a8e, 0x0a8e,
+  0x0a92, 0x0a92,
+  0x0aa9, 0x0aa9,
+  0x0ab1, 0x0ab1,
+  0x0ab4, 0x0ab4,
+  0x0aba, 0x0abb,
+  0x0ac6, 0x0ac6,
+  0x0aca, 0x0aca,
+  0x0ace, 0x0acf,
+  0x0ad1, 0x0adf,
+  0x0ae4, 0x0ae5,
+  0x0af0, 0x0af0,
+  0x0af2, 0x0b00,
+  0x0b04, 0x0b04,
+  0x0b0d, 0x0b0e,
+  0x0b11, 0x0b12,
+  0x0b29, 0x0b29,
+  0x0b31, 0x0b31,
+  0x0b34, 0x0b34,
+  0x0b3a, 0x0b3b,
+  0x0b44, 0x0b46,
+  0x0b49, 0x0b4a,
+  0x0b4e, 0x0b55,
+  0x0b58, 0x0b5b,
+  0x0b5e, 0x0b5e,
+  0x0b62, 0x0b65,
+  0x0b72, 0x0b81,
+  0x0b84, 0x0b84,
+  0x0b8b, 0x0b8d,
+  0x0b91, 0x0b91,
+  0x0b96, 0x0b98,
+  0x0b9b, 0x0b9b,
+  0x0b9d, 0x0b9d,
+  0x0ba0, 0x0ba2,
+  0x0ba5, 0x0ba7,
+  0x0bab, 0x0bad,
+  0x0bba, 0x0bbd,
+  0x0bc3, 0x0bc5,
+  0x0bc9, 0x0bc9,
+  0x0bce, 0x0bd6,
+  0x0bd8, 0x0be5,
+  0x0bfb, 0x0c00,
+  0x0c04, 0x0c04,
+  0x0c0d, 0x0c0d,
+  0x0c11, 0x0c11,
+  0x0c29, 0x0c29,
+  0x0c34, 0x0c34,
+  0x0c3a, 0x0c3d,
+  0x0c45, 0x0c45,
+  0x0c49, 0x0c49,
+  0x0c4e, 0x0c54,
+  0x0c57, 0x0c5f,
+  0x0c62, 0x0c65,
+  0x0c70, 0x0c81,
+  0x0c84, 0x0c84,
+  0x0c8d, 0x0c8d,
+  0x0c91, 0x0c91,
+  0x0ca9, 0x0ca9,
+  0x0cb4, 0x0cb4,
+  0x0cba, 0x0cbb,
+  0x0cc5, 0x0cc5,
+  0x0cc9, 0x0cc9,
+  0x0cce, 0x0cd4,
+  0x0cd7, 0x0cdd,
+  0x0cdf, 0x0cdf,
+  0x0ce2, 0x0ce5,
+  0x0cf0, 0x0d01,
+  0x0d04, 0x0d04,
+  0x0d0d, 0x0d0d,
+  0x0d11, 0x0d11,
+  0x0d29, 0x0d29,
+  0x0d3a, 0x0d3d,
+  0x0d44, 0x0d45,
+  0x0d49, 0x0d49,
+  0x0d4e, 0x0d56,
+  0x0d58, 0x0d5f,
+  0x0d62, 0x0d65,
+  0x0d70, 0x0d81,
+  0x0d84, 0x0d84,
+  0x0d97, 0x0d99,
+  0x0db2, 0x0db2,
+  0x0dbc, 0x0dbc,
+  0x0dbe, 0x0dbf,
+  0x0dc7, 0x0dc9,
+  0x0dcb, 0x0dce,
+  0x0dd5, 0x0dd5,
+  0x0dd7, 0x0dd7,
+  0x0de0, 0x0df1,
+  0x0df5, 0x0e00,
+  0x0e3b, 0x0e3e,
+  0x0e5c, 0x0e80,
+  0x0e83, 0x0e83,
+  0x0e85, 0x0e86,
+  0x0e89, 0x0e89,
+  0x0e8b, 0x0e8c,
+  0x0e8e, 0x0e93,
+  0x0e98, 0x0e98,
+  0x0ea0, 0x0ea0,
+  0x0ea4, 0x0ea4,
+  0x0ea6, 0x0ea6,
+  0x0ea8, 0x0ea9,
+  0x0eac, 0x0eac,
+  0x0eba, 0x0eba,
+  0x0ebe, 0x0ebf,
+  0x0ec5, 0x0ec5,
+  0x0ec7, 0x0ec7,
+  0x0ece, 0x0ecf,
+  0x0eda, 0x0edb,
+  0x0ede, 0x0eff,
+  0x0f48, 0x0f48,
+  0x0f6b, 0x0f70,
+  0x0f8c, 0x0f8f,
+  0x0f98, 0x0f98,
+  0x0fbd, 0x0fbd,
+  0x0fcd, 0x0fce,
+  0x0fd2, 0x0fff,
+  0x1022, 0x1022,
+  0x1028, 0x1028,
+  0x102b, 0x102b,
+  0x1033, 0x1035,
+  0x103a, 0x103f,
+  0x105a, 0x109f,
+  0x10c6, 0x10cf,
+  0x10fd, 0x10ff,
+  0x115a, 0x115e,
+  0x11a3, 0x11a7,
+  0x11fa, 0x11ff,
+  0x1249, 0x1249,
+  0x124e, 0x124f,
+  0x1257, 0x1257,
+  0x1259, 0x1259,
+  0x125e, 0x125f,
+  0x1289, 0x1289,
+  0x128e, 0x128f,
+  0x12b1, 0x12b1,
+  0x12b6, 0x12b7,
+  0x12bf, 0x12bf,
+  0x12c1, 0x12c1,
+  0x12c6, 0x12c7,
+  0x12d7, 0x12d7,
+  0x1311, 0x1311,
+  0x1316, 0x1317,
+  0x135b, 0x135e,
+  0x137d, 0x137f,
+  0x139a, 0x139f,
+  0x13f5, 0x1400,
+  0x1677, 0x167f,
+  0x169d, 0x169f,
+  0x16f1, 0x16ff,
+  0x170d, 0x170d,
+  0x1715, 0x171f,
+  0x1737, 0x173f,
+  0x1754, 0x175f,
+  0x176d, 0x176d,
+  0x1771, 0x1771,
+  0x1774, 0x177f,
+  0x17b4, 0x17b5,
+  0x17de, 0x17df,
+  0x17ea, 0x17ef,
+  0x17fa, 0x17ff,
+  0x180f, 0x180f,
+  0x181a, 0x181f,
+  0x1878, 0x187f,
+  0x18aa, 0x18ff,
+  0x191d, 0x191f,
+  0x192c, 0x192f,
+  0x193c, 0x193f,
+  0x1941, 0x1943,
+  0x196e, 0x196f,
+  0x1975, 0x197f,
+  0x19aa, 0x19af,
+  0x19ca, 0x19cf,
+  0x19da, 0x19dd,
+  0x1a1c, 0x1a1d,
+  0x1a20, 0x1cff,
+  0x1dc4, 0x1dff,
+  0x1e9c, 0x1e9f,
+  0x1efa, 0x1eff,
+  0x1f16, 0x1f17,
+  0x1f1e, 0x1f1f,
+  0x1f46, 0x1f47,
+  0x1f4e, 0x1f4f,
+  0x1f58, 0x1f58,
+  0x1f5a, 0x1f5a,
+  0x1f5c, 0x1f5c,
+  0x1f5e, 0x1f5e,
+  0x1f7e, 0x1f7f,
+  0x1fb5, 0x1fb5,
+  0x1fc5, 0x1fc5,
+  0x1fd4, 0x1fd5,
+  0x1fdc, 0x1fdc,
+  0x1ff0, 0x1ff1,
+  0x1ff5, 0x1ff5,
+  0x1fff, 0x1fff,
+  0x200b, 0x200f,
+  0x202a, 0x202e,
+  0x2060, 0x206f,
+  0x2072, 0x2073,
+  0x208f, 0x208f,
+  0x2095, 0x209f,
+  0x20b6, 0x20cf,
+  0x20ec, 0x20ff,
+  0x214d, 0x2152,
+  0x2184, 0x218f,
+  0x23dc, 0x23ff,
+  0x2427, 0x243f,
+  0x244b, 0x245f,
+  0x269d, 0x269f,
+  0x26b2, 0x2700,
+  0x2705, 0x2705,
+  0x270a, 0x270b,
+  0x2728, 0x2728,
+  0x274c, 0x274c,
+  0x274e, 0x274e,
+  0x2753, 0x2755,
+  0x2757, 0x2757,
+  0x275f, 0x2760,
+  0x2795, 0x2797,
+  0x27b0, 0x27b0,
+  0x27bf, 0x27bf,
+  0x27c7, 0x27cf,
+  0x27ec, 0x27ef,
+  0x2b14, 0x2bff,
+  0x2c2f, 0x2c2f,
+  0x2c5f, 0x2c7f,
+  0x2ceb, 0x2cf8,
+  0x2d26, 0x2d2f,
+  0x2d66, 0x2d6e,
+  0x2d70, 0x2d7f,
+  0x2d97, 0x2d9f,
+  0x2da7, 0x2da7,
+  0x2daf, 0x2daf,
+  0x2db7, 0x2db7,
+  0x2dbf, 0x2dbf,
+  0x2dc7, 0x2dc7,
+  0x2dcf, 0x2dcf,
+  0x2dd7, 0x2dd7,
+  0x2ddf, 0x2dff,
+  0x2e18, 0x2e1b,
+  0x2e1e, 0x2e7f,
+  0x2e9a, 0x2e9a,
+  0x2ef4, 0x2eff,
+  0x2fd6, 0x2fef,
+  0x2ffc, 0x2fff,
+  0x3040, 0x3040,
+  0x3097, 0x3098,
+  0x3100, 0x3104,
+  0x312d, 0x3130,
+  0x318f, 0x318f,
+  0x31b8, 0x31bf,
+  0x31d0, 0x31ef,
+  0x321f, 0x321f,
+  0x3244, 0x324f,
+  0x32ff, 0x32ff,
+  0x4db6, 0x4dbf,
+  0x9fbc, 0x9fff,
+  0xa48d, 0xa48f,
+  0xa4c7, 0xa6ff,
+  0xa717, 0xa7ff,
+  0xa82c, 0xabff,
+  0xd7a4, 0xf8ff,
+  0xfa2e, 0xfa2f,
+  0xfa6b, 0xfa6f,
+  0xfada, 0xfaff,
+  0xfb07, 0xfb12,
+  0xfb18, 0xfb1c,
+  0xfb37, 0xfb37,
+  0xfb3d, 0xfb3d,
+  0xfb3f, 0xfb3f,
+  0xfb42, 0xfb42,
+  0xfb45, 0xfb45,
+  0xfbb2, 0xfbd2,
+  0xfd40, 0xfd4f,
+  0xfd90, 0xfd91,
+  0xfdc8, 0xfdef,
+  0xfdfe, 0xfdff,
+  0xfe1a, 0xfe1f,
+  0xfe24, 0xfe2f,
+  0xfe53, 0xfe53,
+  0xfe67, 0xfe67,
+  0xfe6c, 0xfe6f,
+  0xfe75, 0xfe75,
+  0xfefd, 0xff00,
+  0xffbf, 0xffc1,
+  0xffc8, 0xffc9,
+  0xffd0, 0xffd1,
+  0xffd8, 0xffd9,
+  0xffdd, 0xffdf,
+  0xffe7, 0xffe7,
+  0xffef, 0xfffb,
+  0xfffe, 0xffff,
+  0x1000c, 0x1000c,
+  0x10027, 0x10027,
+  0x1003b, 0x1003b,
+  0x1003e, 0x1003e,
+  0x1004e, 0x1004f,
+  0x1005e, 0x1007f,
+  0x100fb, 0x100ff,
+  0x10103, 0x10106,
+  0x10134, 0x10136,
+  0x1018b, 0x102ff,
+  0x1031f, 0x1031f,
+  0x10324, 0x1032f,
+  0x1034b, 0x1037f,
+  0x1039e, 0x1039e,
+  0x103c4, 0x103c7,
+  0x103d6, 0x103ff,
+  0x1049e, 0x1049f,
+  0x104aa, 0x107ff,
+  0x10806, 0x10807,
+  0x10809, 0x10809,
+  0x10836, 0x10836,
+  0x10839, 0x1083b,
+  0x1083d, 0x1083e,
+  0x10840, 0x109ff,
+  0x10a04, 0x10a04,
+  0x10a07, 0x10a0b,
+  0x10a14, 0x10a14,
+  0x10a18, 0x10a18,
+  0x10a34, 0x10a37,
+  0x10a3b, 0x10a3e,
+  0x10a48, 0x10a4f,
+  0x10a59, 0x1cfff,
+  0x1d0f6, 0x1d0ff,
+  0x1d127, 0x1d129,
+  0x1d173, 0x1d17a,
+  0x1d1de, 0x1d1ff,
+  0x1d246, 0x1d2ff,
+  0x1d357, 0x1d3ff,
+  0x1d455, 0x1d455,
+  0x1d49d, 0x1d49d,
+  0x1d4a0, 0x1d4a1,
+  0x1d4a3, 0x1d4a4,
+  0x1d4a7, 0x1d4a8,
+  0x1d4ad, 0x1d4ad,
+  0x1d4ba, 0x1d4ba,
+  0x1d4bc, 0x1d4bc,
+  0x1d4c4, 0x1d4c4,
+  0x1d506, 0x1d506,
+  0x1d50b, 0x1d50c,
+  0x1d515, 0x1d515,
+  0x1d51d, 0x1d51d,
+  0x1d53a, 0x1d53a,
+  0x1d53f, 0x1d53f,
+  0x1d545, 0x1d545,
+  0x1d547, 0x1d549,
+  0x1d551, 0x1d551,
+  0x1d6a6, 0x1d6a7,
+  0x1d7ca, 0x1d7cd,
+  0x1d800, 0x1ffff,
+  0x2a6d7, 0x2f7ff,
+  0x2fa1e, 0xe00ff,
+  0xe01f0, 0x10ffff
+}; /* CR_C */
+
+/* 'Cc': General Category */
+static const OnigCodePoint CR_Cc[] = {
+  2,
+  0x0000, 0x001f,
+  0x007f, 0x009f
+}; /* CR_Cc */
+
+/* 'Cf': General Category */
+static const OnigCodePoint CR_Cf[] = {
+  14,
+  0x00ad, 0x00ad,
+  0x0600, 0x0603,
+  0x06dd, 0x06dd,
+  0x070f, 0x070f,
+  0x17b4, 0x17b5,
+  0x200b, 0x200f,
+  0x202a, 0x202e,
+  0x2060, 0x2063,
+  0x206a, 0x206f,
+  0xfeff, 0xfeff,
+  0xfff9, 0xfffb,
+  0x1d173, 0x1d17a,
+  0xe0001, 0xe0001,
+  0xe0020, 0xe007f
+}; /* CR_Cf */
+
+/* 'Cn': General Category */
+static const OnigCodePoint CR_Cn[] = {
+  420,
+  0x0242, 0x024f,
+  0x0370, 0x0373,
+  0x0376, 0x0379,
+  0x037b, 0x037d,
+  0x037f, 0x0383,
+  0x038b, 0x038b,
+  0x038d, 0x038d,
+  0x03a2, 0x03a2,
+  0x03cf, 0x03cf,
+  0x0487, 0x0487,
+  0x04cf, 0x04cf,
+  0x04fa, 0x04ff,
+  0x0510, 0x0530,
+  0x0557, 0x0558,
+  0x0560, 0x0560,
+  0x0588, 0x0588,
+  0x058b, 0x0590,
+  0x05ba, 0x05ba,
+  0x05c8, 0x05cf,
+  0x05eb, 0x05ef,
+  0x05f5, 0x05ff,
+  0x0604, 0x060a,
+  0x0616, 0x061a,
+  0x061c, 0x061d,
+  0x0620, 0x0620,
+  0x063b, 0x063f,
+  0x065f, 0x065f,
+  0x070e, 0x070e,
+  0x074b, 0x074c,
+  0x076e, 0x077f,
+  0x07b2, 0x0900,
+  0x093a, 0x093b,
+  0x094e, 0x094f,
+  0x0955, 0x0957,
+  0x0971, 0x097c,
+  0x097e, 0x0980,
+  0x0984, 0x0984,
+  0x098d, 0x098e,
+  0x0991, 0x0992,
+  0x09a9, 0x09a9,
+  0x09b1, 0x09b1,
+  0x09b3, 0x09b5,
+  0x09ba, 0x09bb,
+  0x09c5, 0x09c6,
+  0x09c9, 0x09ca,
+  0x09cf, 0x09d6,
+  0x09d8, 0x09db,
+  0x09de, 0x09de,
+  0x09e4, 0x09e5,
+  0x09fb, 0x0a00,
+  0x0a04, 0x0a04,
+  0x0a0b, 0x0a0e,
+  0x0a11, 0x0a12,
+  0x0a29, 0x0a29,
+  0x0a31, 0x0a31,
+  0x0a34, 0x0a34,
+  0x0a37, 0x0a37,
+  0x0a3a, 0x0a3b,
+  0x0a3d, 0x0a3d,
+  0x0a43, 0x0a46,
+  0x0a49, 0x0a4a,
+  0x0a4e, 0x0a58,
+  0x0a5d, 0x0a5d,
+  0x0a5f, 0x0a65,
+  0x0a75, 0x0a80,
+  0x0a84, 0x0a84,
+  0x0a8e, 0x0a8e,
+  0x0a92, 0x0a92,
+  0x0aa9, 0x0aa9,
+  0x0ab1, 0x0ab1,
+  0x0ab4, 0x0ab4,
+  0x0aba, 0x0abb,
+  0x0ac6, 0x0ac6,
+  0x0aca, 0x0aca,
+  0x0ace, 0x0acf,
+  0x0ad1, 0x0adf,
+  0x0ae4, 0x0ae5,
+  0x0af0, 0x0af0,
+  0x0af2, 0x0b00,
+  0x0b04, 0x0b04,
+  0x0b0d, 0x0b0e,
+  0x0b11, 0x0b12,
+  0x0b29, 0x0b29,
+  0x0b31, 0x0b31,
+  0x0b34, 0x0b34,
+  0x0b3a, 0x0b3b,
+  0x0b44, 0x0b46,
+  0x0b49, 0x0b4a,
+  0x0b4e, 0x0b55,
+  0x0b58, 0x0b5b,
+  0x0b5e, 0x0b5e,
+  0x0b62, 0x0b65,
+  0x0b72, 0x0b81,
+  0x0b84, 0x0b84,
+  0x0b8b, 0x0b8d,
+  0x0b91, 0x0b91,
+  0x0b96, 0x0b98,
+  0x0b9b, 0x0b9b,
+  0x0b9d, 0x0b9d,
+  0x0ba0, 0x0ba2,
+  0x0ba5, 0x0ba7,
+  0x0bab, 0x0bad,
+  0x0bba, 0x0bbd,
+  0x0bc3, 0x0bc5,
+  0x0bc9, 0x0bc9,
+  0x0bce, 0x0bd6,
+  0x0bd8, 0x0be5,
+  0x0bfb, 0x0c00,
+  0x0c04, 0x0c04,
+  0x0c0d, 0x0c0d,
+  0x0c11, 0x0c11,
+  0x0c29, 0x0c29,
+  0x0c34, 0x0c34,
+  0x0c3a, 0x0c3d,
+  0x0c45, 0x0c45,
+  0x0c49, 0x0c49,
+  0x0c4e, 0x0c54,
+  0x0c57, 0x0c5f,
+  0x0c62, 0x0c65,
+  0x0c70, 0x0c81,
+  0x0c84, 0x0c84,
+  0x0c8d, 0x0c8d,
+  0x0c91, 0x0c91,
+  0x0ca9, 0x0ca9,
+  0x0cb4, 0x0cb4,
+  0x0cba, 0x0cbb,
+  0x0cc5, 0x0cc5,
+  0x0cc9, 0x0cc9,
+  0x0cce, 0x0cd4,
+  0x0cd7, 0x0cdd,
+  0x0cdf, 0x0cdf,
+  0x0ce2, 0x0ce5,
+  0x0cf0, 0x0d01,
+  0x0d04, 0x0d04,
+  0x0d0d, 0x0d0d,
+  0x0d11, 0x0d11,
+  0x0d29, 0x0d29,
+  0x0d3a, 0x0d3d,
+  0x0d44, 0x0d45,
+  0x0d49, 0x0d49,
+  0x0d4e, 0x0d56,
+  0x0d58, 0x0d5f,
+  0x0d62, 0x0d65,
+  0x0d70, 0x0d81,
+  0x0d84, 0x0d84,
+  0x0d97, 0x0d99,
+  0x0db2, 0x0db2,
+  0x0dbc, 0x0dbc,
+  0x0dbe, 0x0dbf,
+  0x0dc7, 0x0dc9,
+  0x0dcb, 0x0dce,
+  0x0dd5, 0x0dd5,
+  0x0dd7, 0x0dd7,
+  0x0de0, 0x0df1,
+  0x0df5, 0x0e00,
+  0x0e3b, 0x0e3e,
+  0x0e5c, 0x0e80,
+  0x0e83, 0x0e83,
+  0x0e85, 0x0e86,
+  0x0e89, 0x0e89,
+  0x0e8b, 0x0e8c,
+  0x0e8e, 0x0e93,
+  0x0e98, 0x0e98,
+  0x0ea0, 0x0ea0,
+  0x0ea4, 0x0ea4,
+  0x0ea6, 0x0ea6,
+  0x0ea8, 0x0ea9,
+  0x0eac, 0x0eac,
+  0x0eba, 0x0eba,
+  0x0ebe, 0x0ebf,
+  0x0ec5, 0x0ec5,
+  0x0ec7, 0x0ec7,
+  0x0ece, 0x0ecf,
+  0x0eda, 0x0edb,
+  0x0ede, 0x0eff,
+  0x0f48, 0x0f48,
+  0x0f6b, 0x0f70,
+  0x0f8c, 0x0f8f,
+  0x0f98, 0x0f98,
+  0x0fbd, 0x0fbd,
+  0x0fcd, 0x0fce,
+  0x0fd2, 0x0fff,
+  0x1022, 0x1022,
+  0x1028, 0x1028,
+  0x102b, 0x102b,
+  0x1033, 0x1035,
+  0x103a, 0x103f,
+  0x105a, 0x109f,
+  0x10c6, 0x10cf,
+  0x10fd, 0x10ff,
+  0x115a, 0x115e,
+  0x11a3, 0x11a7,
+  0x11fa, 0x11ff,
+  0x1249, 0x1249,
+  0x124e, 0x124f,
+  0x1257, 0x1257,
+  0x1259, 0x1259,
+  0x125e, 0x125f,
+  0x1289, 0x1289,
+  0x128e, 0x128f,
+  0x12b1, 0x12b1,
+  0x12b6, 0x12b7,
+  0x12bf, 0x12bf,
+  0x12c1, 0x12c1,
+  0x12c6, 0x12c7,
+  0x12d7, 0x12d7,
+  0x1311, 0x1311,
+  0x1316, 0x1317,
+  0x135b, 0x135e,
+  0x137d, 0x137f,
+  0x139a, 0x139f,
+  0x13f5, 0x1400,
+  0x1677, 0x167f,
+  0x169d, 0x169f,
+  0x16f1, 0x16ff,
+  0x170d, 0x170d,
+  0x1715, 0x171f,
+  0x1737, 0x173f,
+  0x1754, 0x175f,
+  0x176d, 0x176d,
+  0x1771, 0x1771,
+  0x1774, 0x177f,
+  0x17de, 0x17df,
+  0x17ea, 0x17ef,
+  0x17fa, 0x17ff,
+  0x180f, 0x180f,
+  0x181a, 0x181f,
+  0x1878, 0x187f,
+  0x18aa, 0x18ff,
+  0x191d, 0x191f,
+  0x192c, 0x192f,
+  0x193c, 0x193f,
+  0x1941, 0x1943,
+  0x196e, 0x196f,
+  0x1975, 0x197f,
+  0x19aa, 0x19af,
+  0x19ca, 0x19cf,
+  0x19da, 0x19dd,
+  0x1a1c, 0x1a1d,
+  0x1a20, 0x1cff,
+  0x1dc4, 0x1dff,
+  0x1e9c, 0x1e9f,
+  0x1efa, 0x1eff,
+  0x1f16, 0x1f17,
+  0x1f1e, 0x1f1f,
+  0x1f46, 0x1f47,
+  0x1f4e, 0x1f4f,
+  0x1f58, 0x1f58,
+  0x1f5a, 0x1f5a,
+  0x1f5c, 0x1f5c,
+  0x1f5e, 0x1f5e,
+  0x1f7e, 0x1f7f,
+  0x1fb5, 0x1fb5,
+  0x1fc5, 0x1fc5,
+  0x1fd4, 0x1fd5,
+  0x1fdc, 0x1fdc,
+  0x1ff0, 0x1ff1,
+  0x1ff5, 0x1ff5,
+  0x1fff, 0x1fff,
+  0x2064, 0x2069,
+  0x2072, 0x2073,
+  0x208f, 0x208f,
+  0x2095, 0x209f,
+  0x20b6, 0x20cf,
+  0x20ec, 0x20ff,
+  0x214d, 0x2152,
+  0x2184, 0x218f,
+  0x23dc, 0x23ff,
+  0x2427, 0x243f,
+  0x244b, 0x245f,
+  0x269d, 0x269f,
+  0x26b2, 0x2700,
+  0x2705, 0x2705,
+  0x270a, 0x270b,
+  0x2728, 0x2728,
+  0x274c, 0x274c,
+  0x274e, 0x274e,
+  0x2753, 0x2755,
+  0x2757, 0x2757,
+  0x275f, 0x2760,
+  0x2795, 0x2797,
+  0x27b0, 0x27b0,
+  0x27bf, 0x27bf,
+  0x27c7, 0x27cf,
+  0x27ec, 0x27ef,
+  0x2b14, 0x2bff,
+  0x2c2f, 0x2c2f,
+  0x2c5f, 0x2c7f,
+  0x2ceb, 0x2cf8,
+  0x2d26, 0x2d2f,
+  0x2d66, 0x2d6e,
+  0x2d70, 0x2d7f,
+  0x2d97, 0x2d9f,
+  0x2da7, 0x2da7,
+  0x2daf, 0x2daf,
+  0x2db7, 0x2db7,
+  0x2dbf, 0x2dbf,
+  0x2dc7, 0x2dc7,
+  0x2dcf, 0x2dcf,
+  0x2dd7, 0x2dd7,
+  0x2ddf, 0x2dff,
+  0x2e18, 0x2e1b,
+  0x2e1e, 0x2e7f,
+  0x2e9a, 0x2e9a,
+  0x2ef4, 0x2eff,
+  0x2fd6, 0x2fef,
+  0x2ffc, 0x2fff,
+  0x3040, 0x3040,
+  0x3097, 0x3098,
+  0x3100, 0x3104,
+  0x312d, 0x3130,
+  0x318f, 0x318f,
+  0x31b8, 0x31bf,
+  0x31d0, 0x31ef,
+  0x321f, 0x321f,
+  0x3244, 0x324f,
+  0x32ff, 0x32ff,
+  0x4db6, 0x4dbf,
+  0x9fbc, 0x9fff,
+  0xa48d, 0xa48f,
+  0xa4c7, 0xa6ff,
+  0xa717, 0xa7ff,
+  0xa82c, 0xabff,
+  0xd7a4, 0xd7ff,
+  0xfa2e, 0xfa2f,
+  0xfa6b, 0xfa6f,
+  0xfada, 0xfaff,
+  0xfb07, 0xfb12,
+  0xfb18, 0xfb1c,
+  0xfb37, 0xfb37,
+  0xfb3d, 0xfb3d,
+  0xfb3f, 0xfb3f,
+  0xfb42, 0xfb42,
+  0xfb45, 0xfb45,
+  0xfbb2, 0xfbd2,
+  0xfd40, 0xfd4f,
+  0xfd90, 0xfd91,
+  0xfdc8, 0xfdef,
+  0xfdfe, 0xfdff,
+  0xfe1a, 0xfe1f,
+  0xfe24, 0xfe2f,
+  0xfe53, 0xfe53,
+  0xfe67, 0xfe67,
+  0xfe6c, 0xfe6f,
+  0xfe75, 0xfe75,
+  0xfefd, 0xfefe,
+  0xff00, 0xff00,
+  0xffbf, 0xffc1,
+  0xffc8, 0xffc9,
+  0xffd0, 0xffd1,
+  0xffd8, 0xffd9,
+  0xffdd, 0xffdf,
+  0xffe7, 0xffe7,
+  0xffef, 0xfff8,
+  0xfffe, 0xffff,
+  0x1000c, 0x1000c,
+  0x10027, 0x10027,
+  0x1003b, 0x1003b,
+  0x1003e, 0x1003e,
+  0x1004e, 0x1004f,
+  0x1005e, 0x1007f,
+  0x100fb, 0x100ff,
+  0x10103, 0x10106,
+  0x10134, 0x10136,
+  0x1018b, 0x102ff,
+  0x1031f, 0x1031f,
+  0x10324, 0x1032f,
+  0x1034b, 0x1037f,
+  0x1039e, 0x1039e,
+  0x103c4, 0x103c7,
+  0x103d6, 0x103ff,
+  0x1049e, 0x1049f,
+  0x104aa, 0x107ff,
+  0x10806, 0x10807,
+  0x10809, 0x10809,
+  0x10836, 0x10836,
+  0x10839, 0x1083b,
+  0x1083d, 0x1083e,
+  0x10840, 0x109ff,
+  0x10a04, 0x10a04,
+  0x10a07, 0x10a0b,
+  0x10a14, 0x10a14,
+  0x10a18, 0x10a18,
+  0x10a34, 0x10a37,
+  0x10a3b, 0x10a3e,
+  0x10a48, 0x10a4f,
+  0x10a59, 0x1cfff,
+  0x1d0f6, 0x1d0ff,
+  0x1d127, 0x1d129,
+  0x1d1de, 0x1d1ff,
+  0x1d246, 0x1d2ff,
+  0x1d357, 0x1d3ff,
+  0x1d455, 0x1d455,
+  0x1d49d, 0x1d49d,
+  0x1d4a0, 0x1d4a1,
+  0x1d4a3, 0x1d4a4,
+  0x1d4a7, 0x1d4a8,
+  0x1d4ad, 0x1d4ad,
+  0x1d4ba, 0x1d4ba,
+  0x1d4bc, 0x1d4bc,
+  0x1d4c4, 0x1d4c4,
+  0x1d506, 0x1d506,
+  0x1d50b, 0x1d50c,
+  0x1d515, 0x1d515,
+  0x1d51d, 0x1d51d,
+  0x1d53a, 0x1d53a,
+  0x1d53f, 0x1d53f,
+  0x1d545, 0x1d545,
+  0x1d547, 0x1d549,
+  0x1d551, 0x1d551,
+  0x1d6a6, 0x1d6a7,
+  0x1d7ca, 0x1d7cd,
+  0x1d800, 0x1ffff,
+  0x2a6d7, 0x2f7ff,
+  0x2fa1e, 0xe0000,
+  0xe0002, 0xe001f,
+  0xe0080, 0xe00ff,
+  0xe01f0, 0xeffff,
+  0xffffe, 0xfffff,
+  0x10fffe, 0x10ffff
+}; /* CR_Cn */
+
+/* 'Co': General Category */
+static const OnigCodePoint CR_Co[] = {
+  3,
+  0xe000, 0xf8ff,
+  0xf0000, 0xffffd,
+  0x100000, 0x10fffd
+}; /* CR_Co */
+
+/* 'Cs': General Category */
+static const OnigCodePoint CR_Cs[] = {
+  1,
+  0xd800, 0xdfff
+}; /* CR_Cs */
+
+/* 'L': Major Category */
+static const OnigCodePoint CR_L[] = {
+  347,
+  0x0041, 0x005a,
+  0x0061, 0x007a,
+  0x00aa, 0x00aa,
+  0x00b5, 0x00b5,
+  0x00ba, 0x00ba,
+  0x00c0, 0x00d6,
+  0x00d8, 0x00f6,
+  0x00f8, 0x0241,
+  0x0250, 0x02c1,
+  0x02c6, 0x02d1,
+  0x02e0, 0x02e4,
+  0x02ee, 0x02ee,
+  0x037a, 0x037a,
+  0x0386, 0x0386,
+  0x0388, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x03f5,
+  0x03f7, 0x0481,
+  0x048a, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x0531, 0x0556,
+  0x0559, 0x0559,
+  0x0561, 0x0587,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f2,
+  0x0621, 0x063a,
+  0x0640, 0x064a,
+  0x066e, 0x066f,
+  0x0671, 0x06d3,
+  0x06d5, 0x06d5,
+  0x06e5, 0x06e6,
+  0x06ee, 0x06ef,
+  0x06fa, 0x06fc,
+  0x06ff, 0x06ff,
+  0x0710, 0x0710,
+  0x0712, 0x072f,
+  0x074d, 0x076d,
+  0x0780, 0x07a5,
+  0x07b1, 0x07b1,
+  0x0904, 0x0939,
+  0x093d, 0x093d,
+  0x0950, 0x0950,
+  0x0958, 0x0961,
+  0x097d, 0x097d,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bd, 0x09bd,
+  0x09ce, 0x09ce,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e1,
+  0x09f0, 0x09f1,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a72, 0x0a74,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abd, 0x0abd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae1,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3d, 0x0b3d,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b71, 0x0b71,
+  0x0b83, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c60, 0x0c61,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbd, 0x0cbd,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d60, 0x0d61,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0e01, 0x0e30,
+  0x0e32, 0x0e33,
+  0x0e40, 0x0e46,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb0,
+  0x0eb2, 0x0eb3,
+  0x0ebd, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f00,
+  0x0f40, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f88, 0x0f8b,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x1050, 0x1055,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fa,
+  0x10fc, 0x10fc,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x1380, 0x138f,
+  0x13a0, 0x13f4,
+  0x1401, 0x166c,
+  0x166f, 0x1676,
+  0x1681, 0x169a,
+  0x16a0, 0x16ea,
+  0x1700, 0x170c,
+  0x170e, 0x1711,
+  0x1720, 0x1731,
+  0x1740, 0x1751,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1780, 0x17b3,
+  0x17d7, 0x17d7,
+  0x17dc, 0x17dc,
+  0x1820, 0x1877,
+  0x1880, 0x18a8,
+  0x1900, 0x191c,
+  0x1950, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19c1, 0x19c7,
+  0x1a00, 0x1a16,
+  0x1d00, 0x1dbf,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fbc,
+  0x1fbe, 0x1fbe,
+  0x1fc2, 0x1fc4,
+  0x1fc6, 0x1fcc,
+  0x1fd0, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fe0, 0x1fec,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffc,
+  0x2071, 0x2071,
+  0x207f, 0x207f,
+  0x2090, 0x2094,
+  0x2102, 0x2102,
+  0x2107, 0x2107,
+  0x210a, 0x2113,
+  0x2115, 0x2115,
+  0x2119, 0x211d,
+  0x2124, 0x2124,
+  0x2126, 0x2126,
+  0x2128, 0x2128,
+  0x212a, 0x212d,
+  0x212f, 0x2131,
+  0x2133, 0x2139,
+  0x213c, 0x213f,
+  0x2145, 0x2149,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e,
+  0x2c80, 0x2ce4,
+  0x2d00, 0x2d25,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x3005, 0x3006,
+  0x3031, 0x3035,
+  0x303b, 0x303c,
+  0x3041, 0x3096,
+  0x309d, 0x309f,
+  0x30a1, 0x30fa,
+  0x30fc, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x31a0, 0x31b7,
+  0x31f0, 0x31ff,
+  0x3400, 0x4db5,
+  0x4e00, 0x9fbb,
+  0xa000, 0xa48c,
+  0xa800, 0xa801,
+  0xa803, 0xa805,
+  0xa807, 0xa80a,
+  0xa80c, 0xa822,
+  0xac00, 0xd7a3,
+  0xf900, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xfb1d, 0xfb1d,
+  0xfb1f, 0xfb28,
+  0xfb2a, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3d,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfb,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xff21, 0xff3a,
+  0xff41, 0xff5a,
+  0xff66, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10300, 0x1031e,
+  0x10330, 0x10349,
+  0x10380, 0x1039d,
+  0x103a0, 0x103c3,
+  0x103c8, 0x103cf,
+  0x10400, 0x1049d,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a00,
+  0x10a10, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d6c0,
+  0x1d6c2, 0x1d6da,
+  0x1d6dc, 0x1d6fa,
+  0x1d6fc, 0x1d714,
+  0x1d716, 0x1d734,
+  0x1d736, 0x1d74e,
+  0x1d750, 0x1d76e,
+  0x1d770, 0x1d788,
+  0x1d78a, 0x1d7a8,
+  0x1d7aa, 0x1d7c2,
+  0x1d7c4, 0x1d7c9,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d
+}; /* CR_L */
+
+/* 'Ll': General Category */
+static const OnigCodePoint CR_Ll[] = {
+  480,
+  0x0061, 0x007a,
+  0x00aa, 0x00aa,
+  0x00b5, 0x00b5,
+  0x00ba, 0x00ba,
+  0x00df, 0x00f6,
+  0x00f8, 0x00ff,
+  0x0101, 0x0101,
+  0x0103, 0x0103,
+  0x0105, 0x0105,
+  0x0107, 0x0107,
+  0x0109, 0x0109,
+  0x010b, 0x010b,
+  0x010d, 0x010d,
+  0x010f, 0x010f,
+  0x0111, 0x0111,
+  0x0113, 0x0113,
+  0x0115, 0x0115,
+  0x0117, 0x0117,
+  0x0119, 0x0119,
+  0x011b, 0x011b,
+  0x011d, 0x011d,
+  0x011f, 0x011f,
+  0x0121, 0x0121,
+  0x0123, 0x0123,
+  0x0125, 0x0125,
+  0x0127, 0x0127,
+  0x0129, 0x0129,
+  0x012b, 0x012b,
+  0x012d, 0x012d,
+  0x012f, 0x012f,
+  0x0131, 0x0131,
+  0x0133, 0x0133,
+  0x0135, 0x0135,
+  0x0137, 0x0138,
+  0x013a, 0x013a,
+  0x013c, 0x013c,
+  0x013e, 0x013e,
+  0x0140, 0x0140,
+  0x0142, 0x0142,
+  0x0144, 0x0144,
+  0x0146, 0x0146,
+  0x0148, 0x0149,
+  0x014b, 0x014b,
+  0x014d, 0x014d,
+  0x014f, 0x014f,
+  0x0151, 0x0151,
+  0x0153, 0x0153,
+  0x0155, 0x0155,
+  0x0157, 0x0157,
+  0x0159, 0x0159,
+  0x015b, 0x015b,
+  0x015d, 0x015d,
+  0x015f, 0x015f,
+  0x0161, 0x0161,
+  0x0163, 0x0163,
+  0x0165, 0x0165,
+  0x0167, 0x0167,
+  0x0169, 0x0169,
+  0x016b, 0x016b,
+  0x016d, 0x016d,
+  0x016f, 0x016f,
+  0x0171, 0x0171,
+  0x0173, 0x0173,
+  0x0175, 0x0175,
+  0x0177, 0x0177,
+  0x017a, 0x017a,
+  0x017c, 0x017c,
+  0x017e, 0x0180,
+  0x0183, 0x0183,
+  0x0185, 0x0185,
+  0x0188, 0x0188,
+  0x018c, 0x018d,
+  0x0192, 0x0192,
+  0x0195, 0x0195,
+  0x0199, 0x019b,
+  0x019e, 0x019e,
+  0x01a1, 0x01a1,
+  0x01a3, 0x01a3,
+  0x01a5, 0x01a5,
+  0x01a8, 0x01a8,
+  0x01aa, 0x01ab,
+  0x01ad, 0x01ad,
+  0x01b0, 0x01b0,
+  0x01b4, 0x01b4,
+  0x01b6, 0x01b6,
+  0x01b9, 0x01ba,
+  0x01bd, 0x01bf,
+  0x01c6, 0x01c6,
+  0x01c9, 0x01c9,
+  0x01cc, 0x01cc,
+  0x01ce, 0x01ce,
+  0x01d0, 0x01d0,
+  0x01d2, 0x01d2,
+  0x01d4, 0x01d4,
+  0x01d6, 0x01d6,
+  0x01d8, 0x01d8,
+  0x01da, 0x01da,
+  0x01dc, 0x01dd,
+  0x01df, 0x01df,
+  0x01e1, 0x01e1,
+  0x01e3, 0x01e3,
+  0x01e5, 0x01e5,
+  0x01e7, 0x01e7,
+  0x01e9, 0x01e9,
+  0x01eb, 0x01eb,
+  0x01ed, 0x01ed,
+  0x01ef, 0x01f0,
+  0x01f3, 0x01f3,
+  0x01f5, 0x01f5,
+  0x01f9, 0x01f9,
+  0x01fb, 0x01fb,
+  0x01fd, 0x01fd,
+  0x01ff, 0x01ff,
+  0x0201, 0x0201,
+  0x0203, 0x0203,
+  0x0205, 0x0205,
+  0x0207, 0x0207,
+  0x0209, 0x0209,
+  0x020b, 0x020b,
+  0x020d, 0x020d,
+  0x020f, 0x020f,
+  0x0211, 0x0211,
+  0x0213, 0x0213,
+  0x0215, 0x0215,
+  0x0217, 0x0217,
+  0x0219, 0x0219,
+  0x021b, 0x021b,
+  0x021d, 0x021d,
+  0x021f, 0x021f,
+  0x0221, 0x0221,
+  0x0223, 0x0223,
+  0x0225, 0x0225,
+  0x0227, 0x0227,
+  0x0229, 0x0229,
+  0x022b, 0x022b,
+  0x022d, 0x022d,
+  0x022f, 0x022f,
+  0x0231, 0x0231,
+  0x0233, 0x0239,
+  0x023c, 0x023c,
+  0x023f, 0x0240,
+  0x0250, 0x02af,
+  0x0390, 0x0390,
+  0x03ac, 0x03ce,
+  0x03d0, 0x03d1,
+  0x03d5, 0x03d7,
+  0x03d9, 0x03d9,
+  0x03db, 0x03db,
+  0x03dd, 0x03dd,
+  0x03df, 0x03df,
+  0x03e1, 0x03e1,
+  0x03e3, 0x03e3,
+  0x03e5, 0x03e5,
+  0x03e7, 0x03e7,
+  0x03e9, 0x03e9,
+  0x03eb, 0x03eb,
+  0x03ed, 0x03ed,
+  0x03ef, 0x03f3,
+  0x03f5, 0x03f5,
+  0x03f8, 0x03f8,
+  0x03fb, 0x03fc,
+  0x0430, 0x045f,
+  0x0461, 0x0461,
+  0x0463, 0x0463,
+  0x0465, 0x0465,
+  0x0467, 0x0467,
+  0x0469, 0x0469,
+  0x046b, 0x046b,
+  0x046d, 0x046d,
+  0x046f, 0x046f,
+  0x0471, 0x0471,
+  0x0473, 0x0473,
+  0x0475, 0x0475,
+  0x0477, 0x0477,
+  0x0479, 0x0479,
+  0x047b, 0x047b,
+  0x047d, 0x047d,
+  0x047f, 0x047f,
+  0x0481, 0x0481,
+  0x048b, 0x048b,
+  0x048d, 0x048d,
+  0x048f, 0x048f,
+  0x0491, 0x0491,
+  0x0493, 0x0493,
+  0x0495, 0x0495,
+  0x0497, 0x0497,
+  0x0499, 0x0499,
+  0x049b, 0x049b,
+  0x049d, 0x049d,
+  0x049f, 0x049f,
+  0x04a1, 0x04a1,
+  0x04a3, 0x04a3,
+  0x04a5, 0x04a5,
+  0x04a7, 0x04a7,
+  0x04a9, 0x04a9,
+  0x04ab, 0x04ab,
+  0x04ad, 0x04ad,
+  0x04af, 0x04af,
+  0x04b1, 0x04b1,
+  0x04b3, 0x04b3,
+  0x04b5, 0x04b5,
+  0x04b7, 0x04b7,
+  0x04b9, 0x04b9,
+  0x04bb, 0x04bb,
+  0x04bd, 0x04bd,
+  0x04bf, 0x04bf,
+  0x04c2, 0x04c2,
+  0x04c4, 0x04c4,
+  0x04c6, 0x04c6,
+  0x04c8, 0x04c8,
+  0x04ca, 0x04ca,
+  0x04cc, 0x04cc,
+  0x04ce, 0x04ce,
+  0x04d1, 0x04d1,
+  0x04d3, 0x04d3,
+  0x04d5, 0x04d5,
+  0x04d7, 0x04d7,
+  0x04d9, 0x04d9,
+  0x04db, 0x04db,
+  0x04dd, 0x04dd,
+  0x04df, 0x04df,
+  0x04e1, 0x04e1,
+  0x04e3, 0x04e3,
+  0x04e5, 0x04e5,
+  0x04e7, 0x04e7,
+  0x04e9, 0x04e9,
+  0x04eb, 0x04eb,
+  0x04ed, 0x04ed,
+  0x04ef, 0x04ef,
+  0x04f1, 0x04f1,
+  0x04f3, 0x04f3,
+  0x04f5, 0x04f5,
+  0x04f7, 0x04f7,
+  0x04f9, 0x04f9,
+  0x0501, 0x0501,
+  0x0503, 0x0503,
+  0x0505, 0x0505,
+  0x0507, 0x0507,
+  0x0509, 0x0509,
+  0x050b, 0x050b,
+  0x050d, 0x050d,
+  0x050f, 0x050f,
+  0x0561, 0x0587,
+  0x1d00, 0x1d2b,
+  0x1d62, 0x1d77,
+  0x1d79, 0x1d9a,
+  0x1e01, 0x1e01,
+  0x1e03, 0x1e03,
+  0x1e05, 0x1e05,
+  0x1e07, 0x1e07,
+  0x1e09, 0x1e09,
+  0x1e0b, 0x1e0b,
+  0x1e0d, 0x1e0d,
+  0x1e0f, 0x1e0f,
+  0x1e11, 0x1e11,
+  0x1e13, 0x1e13,
+  0x1e15, 0x1e15,
+  0x1e17, 0x1e17,
+  0x1e19, 0x1e19,
+  0x1e1b, 0x1e1b,
+  0x1e1d, 0x1e1d,
+  0x1e1f, 0x1e1f,
+  0x1e21, 0x1e21,
+  0x1e23, 0x1e23,
+  0x1e25, 0x1e25,
+  0x1e27, 0x1e27,
+  0x1e29, 0x1e29,
+  0x1e2b, 0x1e2b,
+  0x1e2d, 0x1e2d,
+  0x1e2f, 0x1e2f,
+  0x1e31, 0x1e31,
+  0x1e33, 0x1e33,
+  0x1e35, 0x1e35,
+  0x1e37, 0x1e37,
+  0x1e39, 0x1e39,
+  0x1e3b, 0x1e3b,
+  0x1e3d, 0x1e3d,
+  0x1e3f, 0x1e3f,
+  0x1e41, 0x1e41,
+  0x1e43, 0x1e43,
+  0x1e45, 0x1e45,
+  0x1e47, 0x1e47,
+  0x1e49, 0x1e49,
+  0x1e4b, 0x1e4b,
+  0x1e4d, 0x1e4d,
+  0x1e4f, 0x1e4f,
+  0x1e51, 0x1e51,
+  0x1e53, 0x1e53,
+  0x1e55, 0x1e55,
+  0x1e57, 0x1e57,
+  0x1e59, 0x1e59,
+  0x1e5b, 0x1e5b,
+  0x1e5d, 0x1e5d,
+  0x1e5f, 0x1e5f,
+  0x1e61, 0x1e61,
+  0x1e63, 0x1e63,
+  0x1e65, 0x1e65,
+  0x1e67, 0x1e67,
+  0x1e69, 0x1e69,
+  0x1e6b, 0x1e6b,
+  0x1e6d, 0x1e6d,
+  0x1e6f, 0x1e6f,
+  0x1e71, 0x1e71,
+  0x1e73, 0x1e73,
+  0x1e75, 0x1e75,
+  0x1e77, 0x1e77,
+  0x1e79, 0x1e79,
+  0x1e7b, 0x1e7b,
+  0x1e7d, 0x1e7d,
+  0x1e7f, 0x1e7f,
+  0x1e81, 0x1e81,
+  0x1e83, 0x1e83,
+  0x1e85, 0x1e85,
+  0x1e87, 0x1e87,
+  0x1e89, 0x1e89,
+  0x1e8b, 0x1e8b,
+  0x1e8d, 0x1e8d,
+  0x1e8f, 0x1e8f,
+  0x1e91, 0x1e91,
+  0x1e93, 0x1e93,
+  0x1e95, 0x1e9b,
+  0x1ea1, 0x1ea1,
+  0x1ea3, 0x1ea3,
+  0x1ea5, 0x1ea5,
+  0x1ea7, 0x1ea7,
+  0x1ea9, 0x1ea9,
+  0x1eab, 0x1eab,
+  0x1ead, 0x1ead,
+  0x1eaf, 0x1eaf,
+  0x1eb1, 0x1eb1,
+  0x1eb3, 0x1eb3,
+  0x1eb5, 0x1eb5,
+  0x1eb7, 0x1eb7,
+  0x1eb9, 0x1eb9,
+  0x1ebb, 0x1ebb,
+  0x1ebd, 0x1ebd,
+  0x1ebf, 0x1ebf,
+  0x1ec1, 0x1ec1,
+  0x1ec3, 0x1ec3,
+  0x1ec5, 0x1ec5,
+  0x1ec7, 0x1ec7,
+  0x1ec9, 0x1ec9,
+  0x1ecb, 0x1ecb,
+  0x1ecd, 0x1ecd,
+  0x1ecf, 0x1ecf,
+  0x1ed1, 0x1ed1,
+  0x1ed3, 0x1ed3,
+  0x1ed5, 0x1ed5,
+  0x1ed7, 0x1ed7,
+  0x1ed9, 0x1ed9,
+  0x1edb, 0x1edb,
+  0x1edd, 0x1edd,
+  0x1edf, 0x1edf,
+  0x1ee1, 0x1ee1,
+  0x1ee3, 0x1ee3,
+  0x1ee5, 0x1ee5,
+  0x1ee7, 0x1ee7,
+  0x1ee9, 0x1ee9,
+  0x1eeb, 0x1eeb,
+  0x1eed, 0x1eed,
+  0x1eef, 0x1eef,
+  0x1ef1, 0x1ef1,
+  0x1ef3, 0x1ef3,
+  0x1ef5, 0x1ef5,
+  0x1ef7, 0x1ef7,
+  0x1ef9, 0x1ef9,
+  0x1f00, 0x1f07,
+  0x1f10, 0x1f15,
+  0x1f20, 0x1f27,
+  0x1f30, 0x1f37,
+  0x1f40, 0x1f45,
+  0x1f50, 0x1f57,
+  0x1f60, 0x1f67,
+  0x1f70, 0x1f7d,
+  0x1f80, 0x1f87,
+  0x1f90, 0x1f97,
+  0x1fa0, 0x1fa7,
+  0x1fb0, 0x1fb4,
+  0x1fb6, 0x1fb7,
+  0x1fbe, 0x1fbe,
+  0x1fc2, 0x1fc4,
+  0x1fc6, 0x1fc7,
+  0x1fd0, 0x1fd3,
+  0x1fd6, 0x1fd7,
+  0x1fe0, 0x1fe7,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ff7,
+  0x2071, 0x2071,
+  0x207f, 0x207f,
+  0x210a, 0x210a,
+  0x210e, 0x210f,
+  0x2113, 0x2113,
+  0x212f, 0x212f,
+  0x2134, 0x2134,
+  0x2139, 0x2139,
+  0x213c, 0x213d,
+  0x2146, 0x2149,
+  0x2c30, 0x2c5e,
+  0x2c81, 0x2c81,
+  0x2c83, 0x2c83,
+  0x2c85, 0x2c85,
+  0x2c87, 0x2c87,
+  0x2c89, 0x2c89,
+  0x2c8b, 0x2c8b,
+  0x2c8d, 0x2c8d,
+  0x2c8f, 0x2c8f,
+  0x2c91, 0x2c91,
+  0x2c93, 0x2c93,
+  0x2c95, 0x2c95,
+  0x2c97, 0x2c97,
+  0x2c99, 0x2c99,
+  0x2c9b, 0x2c9b,
+  0x2c9d, 0x2c9d,
+  0x2c9f, 0x2c9f,
+  0x2ca1, 0x2ca1,
+  0x2ca3, 0x2ca3,
+  0x2ca5, 0x2ca5,
+  0x2ca7, 0x2ca7,
+  0x2ca9, 0x2ca9,
+  0x2cab, 0x2cab,
+  0x2cad, 0x2cad,
+  0x2caf, 0x2caf,
+  0x2cb1, 0x2cb1,
+  0x2cb3, 0x2cb3,
+  0x2cb5, 0x2cb5,
+  0x2cb7, 0x2cb7,
+  0x2cb9, 0x2cb9,
+  0x2cbb, 0x2cbb,
+  0x2cbd, 0x2cbd,
+  0x2cbf, 0x2cbf,
+  0x2cc1, 0x2cc1,
+  0x2cc3, 0x2cc3,
+  0x2cc5, 0x2cc5,
+  0x2cc7, 0x2cc7,
+  0x2cc9, 0x2cc9,
+  0x2ccb, 0x2ccb,
+  0x2ccd, 0x2ccd,
+  0x2ccf, 0x2ccf,
+  0x2cd1, 0x2cd1,
+  0x2cd3, 0x2cd3,
+  0x2cd5, 0x2cd5,
+  0x2cd7, 0x2cd7,
+  0x2cd9, 0x2cd9,
+  0x2cdb, 0x2cdb,
+  0x2cdd, 0x2cdd,
+  0x2cdf, 0x2cdf,
+  0x2ce1, 0x2ce1,
+  0x2ce3, 0x2ce4,
+  0x2d00, 0x2d25,
+  0xfb00, 0xfb06,
+  0xfb13, 0xfb17,
+  0xff41, 0xff5a,
+  0x10428, 0x1044f,
+  0x1d41a, 0x1d433,
+  0x1d44e, 0x1d454,
+  0x1d456, 0x1d467,
+  0x1d482, 0x1d49b,
+  0x1d4b6, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d4cf,
+  0x1d4ea, 0x1d503,
+  0x1d51e, 0x1d537,
+  0x1d552, 0x1d56b,
+  0x1d586, 0x1d59f,
+  0x1d5ba, 0x1d5d3,
+  0x1d5ee, 0x1d607,
+  0x1d622, 0x1d63b,
+  0x1d656, 0x1d66f,
+  0x1d68a, 0x1d6a5,
+  0x1d6c2, 0x1d6da,
+  0x1d6dc, 0x1d6e1,
+  0x1d6fc, 0x1d714,
+  0x1d716, 0x1d71b,
+  0x1d736, 0x1d74e,
+  0x1d750, 0x1d755,
+  0x1d770, 0x1d788,
+  0x1d78a, 0x1d78f,
+  0x1d7aa, 0x1d7c2,
+  0x1d7c4, 0x1d7c9
+}; /* CR_Ll */
+
+/* 'Lm': General Category */
+static const OnigCodePoint CR_Lm[] = {
+  26,
+  0x02b0, 0x02c1,
+  0x02c6, 0x02d1,
+  0x02e0, 0x02e4,
+  0x02ee, 0x02ee,
+  0x037a, 0x037a,
+  0x0559, 0x0559,
+  0x0640, 0x0640,
+  0x06e5, 0x06e6,
+  0x0e46, 0x0e46,
+  0x0ec6, 0x0ec6,
+  0x10fc, 0x10fc,
+  0x17d7, 0x17d7,
+  0x1843, 0x1843,
+  0x1d2c, 0x1d61,
+  0x1d78, 0x1d78,
+  0x1d9b, 0x1dbf,
+  0x2090, 0x2094,
+  0x2d6f, 0x2d6f,
+  0x3005, 0x3005,
+  0x3031, 0x3035,
+  0x303b, 0x303b,
+  0x309d, 0x309e,
+  0x30fc, 0x30fe,
+  0xa015, 0xa015,
+  0xff70, 0xff70,
+  0xff9e, 0xff9f
+}; /* CR_Lm */
+
+/* 'Lo': General Category */
+static const OnigCodePoint CR_Lo[] = {
+  245,
+  0x01bb, 0x01bb,
+  0x01c0, 0x01c3,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f2,
+  0x0621, 0x063a,
+  0x0641, 0x064a,
+  0x066e, 0x066f,
+  0x0671, 0x06d3,
+  0x06d5, 0x06d5,
+  0x06ee, 0x06ef,
+  0x06fa, 0x06fc,
+  0x06ff, 0x06ff,
+  0x0710, 0x0710,
+  0x0712, 0x072f,
+  0x074d, 0x076d,
+  0x0780, 0x07a5,
+  0x07b1, 0x07b1,
+  0x0904, 0x0939,
+  0x093d, 0x093d,
+  0x0950, 0x0950,
+  0x0958, 0x0961,
+  0x097d, 0x097d,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bd, 0x09bd,
+  0x09ce, 0x09ce,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e1,
+  0x09f0, 0x09f1,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a72, 0x0a74,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abd, 0x0abd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae1,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3d, 0x0b3d,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b71, 0x0b71,
+  0x0b83, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c60, 0x0c61,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbd, 0x0cbd,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d60, 0x0d61,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0e01, 0x0e30,
+  0x0e32, 0x0e33,
+  0x0e40, 0x0e45,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb0,
+  0x0eb2, 0x0eb3,
+  0x0ebd, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0edc, 0x0edd,
+  0x0f00, 0x0f00,
+  0x0f40, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f88, 0x0f8b,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x1050, 0x1055,
+  0x10d0, 0x10fa,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x1380, 0x138f,
+  0x13a0, 0x13f4,
+  0x1401, 0x166c,
+  0x166f, 0x1676,
+  0x1681, 0x169a,
+  0x16a0, 0x16ea,
+  0x1700, 0x170c,
+  0x170e, 0x1711,
+  0x1720, 0x1731,
+  0x1740, 0x1751,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1780, 0x17b3,
+  0x17dc, 0x17dc,
+  0x1820, 0x1842,
+  0x1844, 0x1877,
+  0x1880, 0x18a8,
+  0x1900, 0x191c,
+  0x1950, 0x196d,
+  0x1970, 0x1974,
+  0x1980, 0x19a9,
+  0x19c1, 0x19c7,
+  0x1a00, 0x1a16,
+  0x2135, 0x2138,
+  0x2d30, 0x2d65,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde,
+  0x3006, 0x3006,
+  0x303c, 0x303c,
+  0x3041, 0x3096,
+  0x309f, 0x309f,
+  0x30a1, 0x30fa,
+  0x30ff, 0x30ff,
+  0x3105, 0x312c,
+  0x3131, 0x318e,
+  0x31a0, 0x31b7,
+  0x31f0, 0x31ff,
+  0x3400, 0x4db5,
+  0x4e00, 0x9fbb,
+  0xa000, 0xa014,
+  0xa016, 0xa48c,
+  0xa800, 0xa801,
+  0xa803, 0xa805,
+  0xa807, 0xa80a,
+  0xa80c, 0xa822,
+  0xac00, 0xd7a3,
+  0xf900, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0xfb1d, 0xfb1d,
+  0xfb1f, 0xfb28,
+  0xfb2a, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfbb1,
+  0xfbd3, 0xfd3d,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfb,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc,
+  0xff66, 0xff6f,
+  0xff71, 0xff9d,
+  0xffa0, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa,
+  0x10300, 0x1031e,
+  0x10330, 0x10349,
+  0x10380, 0x1039d,
+  0x103a0, 0x103c3,
+  0x103c8, 0x103cf,
+  0x10450, 0x1049d,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f,
+  0x10a00, 0x10a00,
+  0x10a10, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d
+}; /* CR_Lo */
+
+/* 'Lt': General Category */
+static const OnigCodePoint CR_Lt[] = {
+  10,
+  0x01c5, 0x01c5,
+  0x01c8, 0x01c8,
+  0x01cb, 0x01cb,
+  0x01f2, 0x01f2,
+  0x1f88, 0x1f8f,
+  0x1f98, 0x1f9f,
+  0x1fa8, 0x1faf,
+  0x1fbc, 0x1fbc,
+  0x1fcc, 0x1fcc,
+  0x1ffc, 0x1ffc
+}; /* CR_Lt */
+
+/* 'Lu': General Category */
+static const OnigCodePoint CR_Lu[] = {
+  476,
+  0x0041, 0x005a,
+  0x00c0, 0x00d6,
+  0x00d8, 0x00de,
+  0x0100, 0x0100,
+  0x0102, 0x0102,
+  0x0104, 0x0104,
+  0x0106, 0x0106,
+  0x0108, 0x0108,
+  0x010a, 0x010a,
+  0x010c, 0x010c,
+  0x010e, 0x010e,
+  0x0110, 0x0110,
+  0x0112, 0x0112,
+  0x0114, 0x0114,
+  0x0116, 0x0116,
+  0x0118, 0x0118,
+  0x011a, 0x011a,
+  0x011c, 0x011c,
+  0x011e, 0x011e,
+  0x0120, 0x0120,
+  0x0122, 0x0122,
+  0x0124, 0x0124,
+  0x0126, 0x0126,
+  0x0128, 0x0128,
+  0x012a, 0x012a,
+  0x012c, 0x012c,
+  0x012e, 0x012e,
+  0x0130, 0x0130,
+  0x0132, 0x0132,
+  0x0134, 0x0134,
+  0x0136, 0x0136,
+  0x0139, 0x0139,
+  0x013b, 0x013b,
+  0x013d, 0x013d,
+  0x013f, 0x013f,
+  0x0141, 0x0141,
+  0x0143, 0x0143,
+  0x0145, 0x0145,
+  0x0147, 0x0147,
+  0x014a, 0x014a,
+  0x014c, 0x014c,
+  0x014e, 0x014e,
+  0x0150, 0x0150,
+  0x0152, 0x0152,
+  0x0154, 0x0154,
+  0x0156, 0x0156,
+  0x0158, 0x0158,
+  0x015a, 0x015a,
+  0x015c, 0x015c,
+  0x015e, 0x015e,
+  0x0160, 0x0160,
+  0x0162, 0x0162,
+  0x0164, 0x0164,
+  0x0166, 0x0166,
+  0x0168, 0x0168,
+  0x016a, 0x016a,
+  0x016c, 0x016c,
+  0x016e, 0x016e,
+  0x0170, 0x0170,
+  0x0172, 0x0172,
+  0x0174, 0x0174,
+  0x0176, 0x0176,
+  0x0178, 0x0179,
+  0x017b, 0x017b,
+  0x017d, 0x017d,
+  0x0181, 0x0182,
+  0x0184, 0x0184,
+  0x0186, 0x0187,
+  0x0189, 0x018b,
+  0x018e, 0x0191,
+  0x0193, 0x0194,
+  0x0196, 0x0198,
+  0x019c, 0x019d,
+  0x019f, 0x01a0,
+  0x01a2, 0x01a2,
+  0x01a4, 0x01a4,
+  0x01a6, 0x01a7,
+  0x01a9, 0x01a9,
+  0x01ac, 0x01ac,
+  0x01ae, 0x01af,
+  0x01b1, 0x01b3,
+  0x01b5, 0x01b5,
+  0x01b7, 0x01b8,
+  0x01bc, 0x01bc,
+  0x01c4, 0x01c4,
+  0x01c7, 0x01c7,
+  0x01ca, 0x01ca,
+  0x01cd, 0x01cd,
+  0x01cf, 0x01cf,
+  0x01d1, 0x01d1,
+  0x01d3, 0x01d3,
+  0x01d5, 0x01d5,
+  0x01d7, 0x01d7,
+  0x01d9, 0x01d9,
+  0x01db, 0x01db,
+  0x01de, 0x01de,
+  0x01e0, 0x01e0,
+  0x01e2, 0x01e2,
+  0x01e4, 0x01e4,
+  0x01e6, 0x01e6,
+  0x01e8, 0x01e8,
+  0x01ea, 0x01ea,
+  0x01ec, 0x01ec,
+  0x01ee, 0x01ee,
+  0x01f1, 0x01f1,
+  0x01f4, 0x01f4,
+  0x01f6, 0x01f8,
+  0x01fa, 0x01fa,
+  0x01fc, 0x01fc,
+  0x01fe, 0x01fe,
+  0x0200, 0x0200,
+  0x0202, 0x0202,
+  0x0204, 0x0204,
+  0x0206, 0x0206,
+  0x0208, 0x0208,
+  0x020a, 0x020a,
+  0x020c, 0x020c,
+  0x020e, 0x020e,
+  0x0210, 0x0210,
+  0x0212, 0x0212,
+  0x0214, 0x0214,
+  0x0216, 0x0216,
+  0x0218, 0x0218,
+  0x021a, 0x021a,
+  0x021c, 0x021c,
+  0x021e, 0x021e,
+  0x0220, 0x0220,
+  0x0222, 0x0222,
+  0x0224, 0x0224,
+  0x0226, 0x0226,
+  0x0228, 0x0228,
+  0x022a, 0x022a,
+  0x022c, 0x022c,
+  0x022e, 0x022e,
+  0x0230, 0x0230,
+  0x0232, 0x0232,
+  0x023a, 0x023b,
+  0x023d, 0x023e,
+  0x0241, 0x0241,
+  0x0386, 0x0386,
+  0x0388, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x038f,
+  0x0391, 0x03a1,
+  0x03a3, 0x03ab,
+  0x03d2, 0x03d4,
+  0x03d8, 0x03d8,
+  0x03da, 0x03da,
+  0x03dc, 0x03dc,
+  0x03de, 0x03de,
+  0x03e0, 0x03e0,
+  0x03e2, 0x03e2,
+  0x03e4, 0x03e4,
+  0x03e6, 0x03e6,
+  0x03e8, 0x03e8,
+  0x03ea, 0x03ea,
+  0x03ec, 0x03ec,
+  0x03ee, 0x03ee,
+  0x03f4, 0x03f4,
+  0x03f7, 0x03f7,
+  0x03f9, 0x03fa,
+  0x03fd, 0x042f,
+  0x0460, 0x0460,
+  0x0462, 0x0462,
+  0x0464, 0x0464,
+  0x0466, 0x0466,
+  0x0468, 0x0468,
+  0x046a, 0x046a,
+  0x046c, 0x046c,
+  0x046e, 0x046e,
+  0x0470, 0x0470,
+  0x0472, 0x0472,
+  0x0474, 0x0474,
+  0x0476, 0x0476,
+  0x0478, 0x0478,
+  0x047a, 0x047a,
+  0x047c, 0x047c,
+  0x047e, 0x047e,
+  0x0480, 0x0480,
+  0x048a, 0x048a,
+  0x048c, 0x048c,
+  0x048e, 0x048e,
+  0x0490, 0x0490,
+  0x0492, 0x0492,
+  0x0494, 0x0494,
+  0x0496, 0x0496,
+  0x0498, 0x0498,
+  0x049a, 0x049a,
+  0x049c, 0x049c,
+  0x049e, 0x049e,
+  0x04a0, 0x04a0,
+  0x04a2, 0x04a2,
+  0x04a4, 0x04a4,
+  0x04a6, 0x04a6,
+  0x04a8, 0x04a8,
+  0x04aa, 0x04aa,
+  0x04ac, 0x04ac,
+  0x04ae, 0x04ae,
+  0x04b0, 0x04b0,
+  0x04b2, 0x04b2,
+  0x04b4, 0x04b4,
+  0x04b6, 0x04b6,
+  0x04b8, 0x04b8,
+  0x04ba, 0x04ba,
+  0x04bc, 0x04bc,
+  0x04be, 0x04be,
+  0x04c0, 0x04c1,
+  0x04c3, 0x04c3,
+  0x04c5, 0x04c5,
+  0x04c7, 0x04c7,
+  0x04c9, 0x04c9,
+  0x04cb, 0x04cb,
+  0x04cd, 0x04cd,
+  0x04d0, 0x04d0,
+  0x04d2, 0x04d2,
+  0x04d4, 0x04d4,
+  0x04d6, 0x04d6,
+  0x04d8, 0x04d8,
+  0x04da, 0x04da,
+  0x04dc, 0x04dc,
+  0x04de, 0x04de,
+  0x04e0, 0x04e0,
+  0x04e2, 0x04e2,
+  0x04e4, 0x04e4,
+  0x04e6, 0x04e6,
+  0x04e8, 0x04e8,
+  0x04ea, 0x04ea,
+  0x04ec, 0x04ec,
+  0x04ee, 0x04ee,
+  0x04f0, 0x04f0,
+  0x04f2, 0x04f2,
+  0x04f4, 0x04f4,
+  0x04f6, 0x04f6,
+  0x04f8, 0x04f8,
+  0x0500, 0x0500,
+  0x0502, 0x0502,
+  0x0504, 0x0504,
+  0x0506, 0x0506,
+  0x0508, 0x0508,
+  0x050a, 0x050a,
+  0x050c, 0x050c,
+  0x050e, 0x050e,
+  0x0531, 0x0556,
+  0x10a0, 0x10c5,
+  0x1e00, 0x1e00,
+  0x1e02, 0x1e02,
+  0x1e04, 0x1e04,
+  0x1e06, 0x1e06,
+  0x1e08, 0x1e08,
+  0x1e0a, 0x1e0a,
+  0x1e0c, 0x1e0c,
+  0x1e0e, 0x1e0e,
+  0x1e10, 0x1e10,
+  0x1e12, 0x1e12,
+  0x1e14, 0x1e14,
+  0x1e16, 0x1e16,
+  0x1e18, 0x1e18,
+  0x1e1a, 0x1e1a,
+  0x1e1c, 0x1e1c,
+  0x1e1e, 0x1e1e,
+  0x1e20, 0x1e20,
+  0x1e22, 0x1e22,
+  0x1e24, 0x1e24,
+  0x1e26, 0x1e26,
+  0x1e28, 0x1e28,
+  0x1e2a, 0x1e2a,
+  0x1e2c, 0x1e2c,
+  0x1e2e, 0x1e2e,
+  0x1e30, 0x1e30,
+  0x1e32, 0x1e32,
+  0x1e34, 0x1e34,
+  0x1e36, 0x1e36,
+  0x1e38, 0x1e38,
+  0x1e3a, 0x1e3a,
+  0x1e3c, 0x1e3c,
+  0x1e3e, 0x1e3e,
+  0x1e40, 0x1e40,
+  0x1e42, 0x1e42,
+  0x1e44, 0x1e44,
+  0x1e46, 0x1e46,
+  0x1e48, 0x1e48,
+  0x1e4a, 0x1e4a,
+  0x1e4c, 0x1e4c,
+  0x1e4e, 0x1e4e,
+  0x1e50, 0x1e50,
+  0x1e52, 0x1e52,
+  0x1e54, 0x1e54,
+  0x1e56, 0x1e56,
+  0x1e58, 0x1e58,
+  0x1e5a, 0x1e5a,
+  0x1e5c, 0x1e5c,
+  0x1e5e, 0x1e5e,
+  0x1e60, 0x1e60,
+  0x1e62, 0x1e62,
+  0x1e64, 0x1e64,
+  0x1e66, 0x1e66,
+  0x1e68, 0x1e68,
+  0x1e6a, 0x1e6a,
+  0x1e6c, 0x1e6c,
+  0x1e6e, 0x1e6e,
+  0x1e70, 0x1e70,
+  0x1e72, 0x1e72,
+  0x1e74, 0x1e74,
+  0x1e76, 0x1e76,
+  0x1e78, 0x1e78,
+  0x1e7a, 0x1e7a,
+  0x1e7c, 0x1e7c,
+  0x1e7e, 0x1e7e,
+  0x1e80, 0x1e80,
+  0x1e82, 0x1e82,
+  0x1e84, 0x1e84,
+  0x1e86, 0x1e86,
+  0x1e88, 0x1e88,
+  0x1e8a, 0x1e8a,
+  0x1e8c, 0x1e8c,
+  0x1e8e, 0x1e8e,
+  0x1e90, 0x1e90,
+  0x1e92, 0x1e92,
+  0x1e94, 0x1e94,
+  0x1ea0, 0x1ea0,
+  0x1ea2, 0x1ea2,
+  0x1ea4, 0x1ea4,
+  0x1ea6, 0x1ea6,
+  0x1ea8, 0x1ea8,
+  0x1eaa, 0x1eaa,
+  0x1eac, 0x1eac,
+  0x1eae, 0x1eae,
+  0x1eb0, 0x1eb0,
+  0x1eb2, 0x1eb2,
+  0x1eb4, 0x1eb4,
+  0x1eb6, 0x1eb6,
+  0x1eb8, 0x1eb8,
+  0x1eba, 0x1eba,
+  0x1ebc, 0x1ebc,
+  0x1ebe, 0x1ebe,
+  0x1ec0, 0x1ec0,
+  0x1ec2, 0x1ec2,
+  0x1ec4, 0x1ec4,
+  0x1ec6, 0x1ec6,
+  0x1ec8, 0x1ec8,
+  0x1eca, 0x1eca,
+  0x1ecc, 0x1ecc,
+  0x1ece, 0x1ece,
+  0x1ed0, 0x1ed0,
+  0x1ed2, 0x1ed2,
+  0x1ed4, 0x1ed4,
+  0x1ed6, 0x1ed6,
+  0x1ed8, 0x1ed8,
+  0x1eda, 0x1eda,
+  0x1edc, 0x1edc,
+  0x1ede, 0x1ede,
+  0x1ee0, 0x1ee0,
+  0x1ee2, 0x1ee2,
+  0x1ee4, 0x1ee4,
+  0x1ee6, 0x1ee6,
+  0x1ee8, 0x1ee8,
+  0x1eea, 0x1eea,
+  0x1eec, 0x1eec,
+  0x1eee, 0x1eee,
+  0x1ef0, 0x1ef0,
+  0x1ef2, 0x1ef2,
+  0x1ef4, 0x1ef4,
+  0x1ef6, 0x1ef6,
+  0x1ef8, 0x1ef8,
+  0x1f08, 0x1f0f,
+  0x1f18, 0x1f1d,
+  0x1f28, 0x1f2f,
+  0x1f38, 0x1f3f,
+  0x1f48, 0x1f4d,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f5f,
+  0x1f68, 0x1f6f,
+  0x1fb8, 0x1fbb,
+  0x1fc8, 0x1fcb,
+  0x1fd8, 0x1fdb,
+  0x1fe8, 0x1fec,
+  0x1ff8, 0x1ffb,
+  0x2102, 0x2102,
+  0x2107, 0x2107,
+  0x210b, 0x210d,
+  0x2110, 0x2112,
+  0x2115, 0x2115,
+  0x2119, 0x211d,
+  0x2124, 0x2124,
+  0x2126, 0x2126,
+  0x2128, 0x2128,
+  0x212a, 0x212d,
+  0x2130, 0x2131,
+  0x2133, 0x2133,
+  0x213e, 0x213f,
+  0x2145, 0x2145,
+  0x2c00, 0x2c2e,
+  0x2c80, 0x2c80,
+  0x2c82, 0x2c82,
+  0x2c84, 0x2c84,
+  0x2c86, 0x2c86,
+  0x2c88, 0x2c88,
+  0x2c8a, 0x2c8a,
+  0x2c8c, 0x2c8c,
+  0x2c8e, 0x2c8e,
+  0x2c90, 0x2c90,
+  0x2c92, 0x2c92,
+  0x2c94, 0x2c94,
+  0x2c96, 0x2c96,
+  0x2c98, 0x2c98,
+  0x2c9a, 0x2c9a,
+  0x2c9c, 0x2c9c,
+  0x2c9e, 0x2c9e,
+  0x2ca0, 0x2ca0,
+  0x2ca2, 0x2ca2,
+  0x2ca4, 0x2ca4,
+  0x2ca6, 0x2ca6,
+  0x2ca8, 0x2ca8,
+  0x2caa, 0x2caa,
+  0x2cac, 0x2cac,
+  0x2cae, 0x2cae,
+  0x2cb0, 0x2cb0,
+  0x2cb2, 0x2cb2,
+  0x2cb4, 0x2cb4,
+  0x2cb6, 0x2cb6,
+  0x2cb8, 0x2cb8,
+  0x2cba, 0x2cba,
+  0x2cbc, 0x2cbc,
+  0x2cbe, 0x2cbe,
+  0x2cc0, 0x2cc0,
+  0x2cc2, 0x2cc2,
+  0x2cc4, 0x2cc4,
+  0x2cc6, 0x2cc6,
+  0x2cc8, 0x2cc8,
+  0x2cca, 0x2cca,
+  0x2ccc, 0x2ccc,
+  0x2cce, 0x2cce,
+  0x2cd0, 0x2cd0,
+  0x2cd2, 0x2cd2,
+  0x2cd4, 0x2cd4,
+  0x2cd6, 0x2cd6,
+  0x2cd8, 0x2cd8,
+  0x2cda, 0x2cda,
+  0x2cdc, 0x2cdc,
+  0x2cde, 0x2cde,
+  0x2ce0, 0x2ce0,
+  0x2ce2, 0x2ce2,
+  0xff21, 0xff3a,
+  0x10400, 0x10427,
+  0x1d400, 0x1d419,
+  0x1d434, 0x1d44d,
+  0x1d468, 0x1d481,
+  0x1d49c, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b5,
+  0x1d4d0, 0x1d4e9,
+  0x1d504, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d538, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d56c, 0x1d585,
+  0x1d5a0, 0x1d5b9,
+  0x1d5d4, 0x1d5ed,
+  0x1d608, 0x1d621,
+  0x1d63c, 0x1d655,
+  0x1d670, 0x1d689,
+  0x1d6a8, 0x1d6c0,
+  0x1d6e2, 0x1d6fa,
+  0x1d71c, 0x1d734,
+  0x1d756, 0x1d76e,
+  0x1d790, 0x1d7a8
+}; /* CR_Lu */
+
+/* 'M': Major Category */
+static const OnigCodePoint CR_M[] = {
+  133,
+  0x0300, 0x036f,
+  0x0483, 0x0486,
+  0x0488, 0x0489,
+  0x0591, 0x05b9,
+  0x05bb, 0x05bd,
+  0x05bf, 0x05bf,
+  0x05c1, 0x05c2,
+  0x05c4, 0x05c5,
+  0x05c7, 0x05c7,
+  0x0610, 0x0615,
+  0x064b, 0x065e,
+  0x0670, 0x0670,
+  0x06d6, 0x06dc,
+  0x06de, 0x06e4,
+  0x06e7, 0x06e8,
+  0x06ea, 0x06ed,
+  0x0711, 0x0711,
+  0x0730, 0x074a,
+  0x07a6, 0x07b0,
+  0x0901, 0x0903,
+  0x093c, 0x093c,
+  0x093e, 0x094d,
+  0x0951, 0x0954,
+  0x0962, 0x0963,
+  0x0981, 0x0983,
+  0x09bc, 0x09bc,
+  0x09be, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09cd,
+  0x09d7, 0x09d7,
+  0x09e2, 0x09e3,
+  0x0a01, 0x0a03,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a70, 0x0a71,
+  0x0a81, 0x0a83,
+  0x0abc, 0x0abc,
+  0x0abe, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ae2, 0x0ae3,
+  0x0b01, 0x0b03,
+  0x0b3c, 0x0b3c,
+  0x0b3e, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b82, 0x0b82,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0c01, 0x0c03,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c82, 0x0c83,
+  0x0cbc, 0x0cbc,
+  0x0cbe, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0d02, 0x0d03,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d82, 0x0d83,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df3,
+  0x0e31, 0x0e31,
+  0x0e34, 0x0e3a,
+  0x0e47, 0x0e4e,
+  0x0eb1, 0x0eb1,
+  0x0eb4, 0x0eb9,
+  0x0ebb, 0x0ebc,
+  0x0ec8, 0x0ecd,
+  0x0f18, 0x0f19,
+  0x0f35, 0x0f35,
+  0x0f37, 0x0f37,
+  0x0f39, 0x0f39,
+  0x0f3e, 0x0f3f,
+  0x0f71, 0x0f84,
+  0x0f86, 0x0f87,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fc6, 0x0fc6,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1056, 0x1059,
+  0x135f, 0x135f,
+  0x1712, 0x1714,
+  0x1732, 0x1734,
+  0x1752, 0x1753,
+  0x1772, 0x1773,
+  0x17b6, 0x17d3,
+  0x17dd, 0x17dd,
+  0x180b, 0x180d,
+  0x18a9, 0x18a9,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x19b0, 0x19c0,
+  0x19c8, 0x19c9,
+  0x1a17, 0x1a1b,
+  0x1dc0, 0x1dc3,
+  0x20d0, 0x20eb,
+  0x302a, 0x302f,
+  0x3099, 0x309a,
+  0xa802, 0xa802,
+  0xa806, 0xa806,
+  0xa80b, 0xa80b,
+  0xa823, 0xa827,
+  0xfb1e, 0xfb1e,
+  0xfe00, 0xfe0f,
+  0xfe20, 0xfe23,
+  0x10a01, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a0f,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a3f,
+  0x1d165, 0x1d169,
+  0x1d16d, 0x1d172,
+  0x1d17b, 0x1d182,
+  0x1d185, 0x1d18b,
+  0x1d1aa, 0x1d1ad,
+  0x1d242, 0x1d244,
+  0xe0100, 0xe01ef
+}; /* CR_M */
+
+/* 'Mc': General Category */
+static const OnigCodePoint CR_Mc[] = {
+  63,
+  0x0903, 0x0903,
+  0x093e, 0x0940,
+  0x0949, 0x094c,
+  0x0982, 0x0983,
+  0x09be, 0x09c0,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09cc,
+  0x09d7, 0x09d7,
+  0x0a03, 0x0a03,
+  0x0a3e, 0x0a40,
+  0x0a83, 0x0a83,
+  0x0abe, 0x0ac0,
+  0x0ac9, 0x0ac9,
+  0x0acb, 0x0acc,
+  0x0b02, 0x0b03,
+  0x0b3e, 0x0b3e,
+  0x0b40, 0x0b40,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4c,
+  0x0b57, 0x0b57,
+  0x0bbe, 0x0bbf,
+  0x0bc1, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcc,
+  0x0bd7, 0x0bd7,
+  0x0c01, 0x0c03,
+  0x0c41, 0x0c44,
+  0x0c82, 0x0c83,
+  0x0cbe, 0x0cbe,
+  0x0cc0, 0x0cc4,
+  0x0cc7, 0x0cc8,
+  0x0cca, 0x0ccb,
+  0x0cd5, 0x0cd6,
+  0x0d02, 0x0d03,
+  0x0d3e, 0x0d40,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4c,
+  0x0d57, 0x0d57,
+  0x0d82, 0x0d83,
+  0x0dcf, 0x0dd1,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df3,
+  0x0f3e, 0x0f3f,
+  0x0f7f, 0x0f7f,
+  0x102c, 0x102c,
+  0x1031, 0x1031,
+  0x1038, 0x1038,
+  0x1056, 0x1057,
+  0x17b6, 0x17b6,
+  0x17be, 0x17c5,
+  0x17c7, 0x17c8,
+  0x1923, 0x1926,
+  0x1929, 0x192b,
+  0x1930, 0x1931,
+  0x1933, 0x1938,
+  0x19b0, 0x19c0,
+  0x19c8, 0x19c9,
+  0x1a19, 0x1a1b,
+  0xa802, 0xa802,
+  0xa823, 0xa824,
+  0xa827, 0xa827,
+  0x1d165, 0x1d166,
+  0x1d16d, 0x1d172
+}; /* CR_Mc */
+
+/* 'Me': General Category */
+static const OnigCodePoint CR_Me[] = {
+  4,
+  0x0488, 0x0489,
+  0x06de, 0x06de,
+  0x20dd, 0x20e0,
+  0x20e2, 0x20e4
+}; /* CR_Me */
+
+/* 'Mn': General Category */
+static const OnigCodePoint CR_Mn[] = {
+  124,
+  0x0300, 0x036f,
+  0x0483, 0x0486,
+  0x0591, 0x05b9,
+  0x05bb, 0x05bd,
+  0x05bf, 0x05bf,
+  0x05c1, 0x05c2,
+  0x05c4, 0x05c5,
+  0x05c7, 0x05c7,
+  0x0610, 0x0615,
+  0x064b, 0x065e,
+  0x0670, 0x0670,
+  0x06d6, 0x06dc,
+  0x06df, 0x06e4,
+  0x06e7, 0x06e8,
+  0x06ea, 0x06ed,
+  0x0711, 0x0711,
+  0x0730, 0x074a,
+  0x07a6, 0x07b0,
+  0x0901, 0x0902,
+  0x093c, 0x093c,
+  0x0941, 0x0948,
+  0x094d, 0x094d,
+  0x0951, 0x0954,
+  0x0962, 0x0963,
+  0x0981, 0x0981,
+  0x09bc, 0x09bc,
+  0x09c1, 0x09c4,
+  0x09cd, 0x09cd,
+  0x09e2, 0x09e3,
+  0x0a01, 0x0a02,
+  0x0a3c, 0x0a3c,
+  0x0a41, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a70, 0x0a71,
+  0x0a81, 0x0a82,
+  0x0abc, 0x0abc,
+  0x0ac1, 0x0ac5,
+  0x0ac7, 0x0ac8,
+  0x0acd, 0x0acd,
+  0x0ae2, 0x0ae3,
+  0x0b01, 0x0b01,
+  0x0b3c, 0x0b3c,
+  0x0b3f, 0x0b3f,
+  0x0b41, 0x0b43,
+  0x0b4d, 0x0b4d,
+  0x0b56, 0x0b56,
+  0x0b82, 0x0b82,
+  0x0bc0, 0x0bc0,
+  0x0bcd, 0x0bcd,
+  0x0c3e, 0x0c40,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0cbc, 0x0cbc,
+  0x0cbf, 0x0cbf,
+  0x0cc6, 0x0cc6,
+  0x0ccc, 0x0ccd,
+  0x0d41, 0x0d43,
+  0x0d4d, 0x0d4d,
+  0x0dca, 0x0dca,
+  0x0dd2, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0e31, 0x0e31,
+  0x0e34, 0x0e3a,
+  0x0e47, 0x0e4e,
+  0x0eb1, 0x0eb1,
+  0x0eb4, 0x0eb9,
+  0x0ebb, 0x0ebc,
+  0x0ec8, 0x0ecd,
+  0x0f18, 0x0f19,
+  0x0f35, 0x0f35,
+  0x0f37, 0x0f37,
+  0x0f39, 0x0f39,
+  0x0f71, 0x0f7e,
+  0x0f80, 0x0f84,
+  0x0f86, 0x0f87,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fc6, 0x0fc6,
+  0x102d, 0x1030,
+  0x1032, 0x1032,
+  0x1036, 0x1037,
+  0x1039, 0x1039,
+  0x1058, 0x1059,
+  0x135f, 0x135f,
+  0x1712, 0x1714,
+  0x1732, 0x1734,
+  0x1752, 0x1753,
+  0x1772, 0x1773,
+  0x17b7, 0x17bd,
+  0x17c6, 0x17c6,
+  0x17c9, 0x17d3,
+  0x17dd, 0x17dd,
+  0x180b, 0x180d,
+  0x18a9, 0x18a9,
+  0x1920, 0x1922,
+  0x1927, 0x1928,
+  0x1932, 0x1932,
+  0x1939, 0x193b,
+  0x1a17, 0x1a18,
+  0x1dc0, 0x1dc3,
+  0x20d0, 0x20dc,
+  0x20e1, 0x20e1,
+  0x20e5, 0x20eb,
+  0x302a, 0x302f,
+  0x3099, 0x309a,
+  0xa806, 0xa806,
+  0xa80b, 0xa80b,
+  0xa825, 0xa826,
+  0xfb1e, 0xfb1e,
+  0xfe00, 0xfe0f,
+  0xfe20, 0xfe23,
+  0x10a01, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a0f,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a3f,
+  0x1d167, 0x1d169,
+  0x1d17b, 0x1d182,
+  0x1d185, 0x1d18b,
+  0x1d1aa, 0x1d1ad,
+  0x1d242, 0x1d244,
+  0xe0100, 0xe01ef
+}; /* CR_Mn */
+
+/* 'N': Major Category */
+static const OnigCodePoint CR_N[] = {
+  53,
+  0x0030, 0x0039,
+  0x00b2, 0x00b3,
+  0x00b9, 0x00b9,
+  0x00bc, 0x00be,
+  0x0660, 0x0669,
+  0x06f0, 0x06f9,
+  0x0966, 0x096f,
+  0x09e6, 0x09ef,
+  0x09f4, 0x09f9,
+  0x0a66, 0x0a6f,
+  0x0ae6, 0x0aef,
+  0x0b66, 0x0b6f,
+  0x0be6, 0x0bf2,
+  0x0c66, 0x0c6f,
+  0x0ce6, 0x0cef,
+  0x0d66, 0x0d6f,
+  0x0e50, 0x0e59,
+  0x0ed0, 0x0ed9,
+  0x0f20, 0x0f33,
+  0x1040, 0x1049,
+  0x1369, 0x137c,
+  0x16ee, 0x16f0,
+  0x17e0, 0x17e9,
+  0x17f0, 0x17f9,
+  0x1810, 0x1819,
+  0x1946, 0x194f,
+  0x19d0, 0x19d9,
+  0x2070, 0x2070,
+  0x2074, 0x2079,
+  0x2080, 0x2089,
+  0x2153, 0x2183,
+  0x2460, 0x249b,
+  0x24ea, 0x24ff,
+  0x2776, 0x2793,
+  0x2cfd, 0x2cfd,
+  0x3007, 0x3007,
+  0x3021, 0x3029,
+  0x3038, 0x303a,
+  0x3192, 0x3195,
+  0x3220, 0x3229,
+  0x3251, 0x325f,
+  0x3280, 0x3289,
+  0x32b1, 0x32bf,
+  0xff10, 0xff19,
+  0x10107, 0x10133,
+  0x10140, 0x10178,
+  0x1018a, 0x1018a,
+  0x10320, 0x10323,
+  0x1034a, 0x1034a,
+  0x103d1, 0x103d5,
+  0x104a0, 0x104a9,
+  0x10a40, 0x10a47,
+  0x1d7ce, 0x1d7ff
+}; /* CR_N */
+
+/* 'Nd': General Category */
+static const OnigCodePoint CR_Nd[] = {
+  23,
+  0x0030, 0x0039,
+  0x0660, 0x0669,
+  0x06f0, 0x06f9,
+  0x0966, 0x096f,
+  0x09e6, 0x09ef,
+  0x0a66, 0x0a6f,
+  0x0ae6, 0x0aef,
+  0x0b66, 0x0b6f,
+  0x0be6, 0x0bef,
+  0x0c66, 0x0c6f,
+  0x0ce6, 0x0cef,
+  0x0d66, 0x0d6f,
+  0x0e50, 0x0e59,
+  0x0ed0, 0x0ed9,
+  0x0f20, 0x0f29,
+  0x1040, 0x1049,
+  0x17e0, 0x17e9,
+  0x1810, 0x1819,
+  0x1946, 0x194f,
+  0x19d0, 0x19d9,
+  0xff10, 0xff19,
+  0x104a0, 0x104a9,
+  0x1d7ce, 0x1d7ff
+}; /* CR_Nd */
+
+/* 'Nl': General Category */
+static const OnigCodePoint CR_Nl[] = {
+  8,
+  0x16ee, 0x16f0,
+  0x2160, 0x2183,
+  0x3007, 0x3007,
+  0x3021, 0x3029,
+  0x3038, 0x303a,
+  0x10140, 0x10174,
+  0x1034a, 0x1034a,
+  0x103d1, 0x103d5
+}; /* CR_Nl */
+
+/* 'No': General Category */
+static const OnigCodePoint CR_No[] = {
+  26,
+  0x00b2, 0x00b3,
+  0x00b9, 0x00b9,
+  0x00bc, 0x00be,
+  0x09f4, 0x09f9,
+  0x0bf0, 0x0bf2,
+  0x0f2a, 0x0f33,
+  0x1369, 0x137c,
+  0x17f0, 0x17f9,
+  0x2070, 0x2070,
+  0x2074, 0x2079,
+  0x2080, 0x2089,
+  0x2153, 0x215f,
+  0x2460, 0x249b,
+  0x24ea, 0x24ff,
+  0x2776, 0x2793,
+  0x2cfd, 0x2cfd,
+  0x3192, 0x3195,
+  0x3220, 0x3229,
+  0x3251, 0x325f,
+  0x3280, 0x3289,
+  0x32b1, 0x32bf,
+  0x10107, 0x10133,
+  0x10175, 0x10178,
+  0x1018a, 0x1018a,
+  0x10320, 0x10323,
+  0x10a40, 0x10a47
+}; /* CR_No */
+
+/* 'P': Major Category */
+static const OnigCodePoint CR_P[] = {
+  96,
+  0x0021, 0x0023,
+  0x0025, 0x002a,
+  0x002c, 0x002f,
+  0x003a, 0x003b,
+  0x003f, 0x0040,
+  0x005b, 0x005d,
+  0x005f, 0x005f,
+  0x007b, 0x007b,
+  0x007d, 0x007d,
+  0x00a1, 0x00a1,
+  0x00ab, 0x00ab,
+  0x00b7, 0x00b7,
+  0x00bb, 0x00bb,
+  0x00bf, 0x00bf,
+  0x037e, 0x037e,
+  0x0387, 0x0387,
+  0x055a, 0x055f,
+  0x0589, 0x058a,
+  0x05be, 0x05be,
+  0x05c0, 0x05c0,
+  0x05c3, 0x05c3,
+  0x05c6, 0x05c6,
+  0x05f3, 0x05f4,
+  0x060c, 0x060d,
+  0x061b, 0x061b,
+  0x061e, 0x061f,
+  0x066a, 0x066d,
+  0x06d4, 0x06d4,
+  0x0700, 0x070d,
+  0x0964, 0x0965,
+  0x0970, 0x0970,
+  0x0df4, 0x0df4,
+  0x0e4f, 0x0e4f,
+  0x0e5a, 0x0e5b,
+  0x0f04, 0x0f12,
+  0x0f3a, 0x0f3d,
+  0x0f85, 0x0f85,
+  0x0fd0, 0x0fd1,
+  0x104a, 0x104f,
+  0x10fb, 0x10fb,
+  0x1361, 0x1368,
+  0x166d, 0x166e,
+  0x169b, 0x169c,
+  0x16eb, 0x16ed,
+  0x1735, 0x1736,
+  0x17d4, 0x17d6,
+  0x17d8, 0x17da,
+  0x1800, 0x180a,
+  0x1944, 0x1945,
+  0x19de, 0x19df,
+  0x1a1e, 0x1a1f,
+  0x2010, 0x2027,
+  0x2030, 0x2043,
+  0x2045, 0x2051,
+  0x2053, 0x205e,
+  0x207d, 0x207e,
+  0x208d, 0x208e,
+  0x2329, 0x232a,
+  0x23b4, 0x23b6,
+  0x2768, 0x2775,
+  0x27c5, 0x27c6,
+  0x27e6, 0x27eb,
+  0x2983, 0x2998,
+  0x29d8, 0x29db,
+  0x29fc, 0x29fd,
+  0x2cf9, 0x2cfc,
+  0x2cfe, 0x2cff,
+  0x2e00, 0x2e17,
+  0x2e1c, 0x2e1d,
+  0x3001, 0x3003,
+  0x3008, 0x3011,
+  0x3014, 0x301f,
+  0x3030, 0x3030,
+  0x303d, 0x303d,
+  0x30a0, 0x30a0,
+  0x30fb, 0x30fb,
+  0xfd3e, 0xfd3f,
+  0xfe10, 0xfe19,
+  0xfe30, 0xfe52,
+  0xfe54, 0xfe61,
+  0xfe63, 0xfe63,
+  0xfe68, 0xfe68,
+  0xfe6a, 0xfe6b,
+  0xff01, 0xff03,
+  0xff05, 0xff0a,
+  0xff0c, 0xff0f,
+  0xff1a, 0xff1b,
+  0xff1f, 0xff20,
+  0xff3b, 0xff3d,
+  0xff3f, 0xff3f,
+  0xff5b, 0xff5b,
+  0xff5d, 0xff5d,
+  0xff5f, 0xff65,
+  0x10100, 0x10101,
+  0x1039f, 0x1039f,
+  0x10a50, 0x10a58
+}; /* CR_P */
+
+/* 'Pc': General Category */
+static const OnigCodePoint CR_Pc[] = {
+  6,
+  0x005f, 0x005f,
+  0x203f, 0x2040,
+  0x2054, 0x2054,
+  0xfe33, 0xfe34,
+  0xfe4d, 0xfe4f,
+  0xff3f, 0xff3f
+}; /* CR_Pc */
+
+/* 'Pd': General Category */
+static const OnigCodePoint CR_Pd[] = {
+  12,
+  0x002d, 0x002d,
+  0x058a, 0x058a,
+  0x1806, 0x1806,
+  0x2010, 0x2015,
+  0x2e17, 0x2e17,
+  0x301c, 0x301c,
+  0x3030, 0x3030,
+  0x30a0, 0x30a0,
+  0xfe31, 0xfe32,
+  0xfe58, 0xfe58,
+  0xfe63, 0xfe63,
+  0xff0d, 0xff0d
+}; /* CR_Pd */
+
+/* 'Pe': General Category */
+static const OnigCodePoint CR_Pe[] = {
+  65,
+  0x0029, 0x0029,
+  0x005d, 0x005d,
+  0x007d, 0x007d,
+  0x0f3b, 0x0f3b,
+  0x0f3d, 0x0f3d,
+  0x169c, 0x169c,
+  0x2046, 0x2046,
+  0x207e, 0x207e,
+  0x208e, 0x208e,
+  0x232a, 0x232a,
+  0x23b5, 0x23b5,
+  0x2769, 0x2769,
+  0x276b, 0x276b,
+  0x276d, 0x276d,
+  0x276f, 0x276f,
+  0x2771, 0x2771,
+  0x2773, 0x2773,
+  0x2775, 0x2775,
+  0x27c6, 0x27c6,
+  0x27e7, 0x27e7,
+  0x27e9, 0x27e9,
+  0x27eb, 0x27eb,
+  0x2984, 0x2984,
+  0x2986, 0x2986,
+  0x2988, 0x2988,
+  0x298a, 0x298a,
+  0x298c, 0x298c,
+  0x298e, 0x298e,
+  0x2990, 0x2990,
+  0x2992, 0x2992,
+  0x2994, 0x2994,
+  0x2996, 0x2996,
+  0x2998, 0x2998,
+  0x29d9, 0x29d9,
+  0x29db, 0x29db,
+  0x29fd, 0x29fd,
+  0x3009, 0x3009,
+  0x300b, 0x300b,
+  0x300d, 0x300d,
+  0x300f, 0x300f,
+  0x3011, 0x3011,
+  0x3015, 0x3015,
+  0x3017, 0x3017,
+  0x3019, 0x3019,
+  0x301b, 0x301b,
+  0x301e, 0x301f,
+  0xfd3f, 0xfd3f,
+  0xfe18, 0xfe18,
+  0xfe36, 0xfe36,
+  0xfe38, 0xfe38,
+  0xfe3a, 0xfe3a,
+  0xfe3c, 0xfe3c,
+  0xfe3e, 0xfe3e,
+  0xfe40, 0xfe40,
+  0xfe42, 0xfe42,
+  0xfe44, 0xfe44,
+  0xfe48, 0xfe48,
+  0xfe5a, 0xfe5a,
+  0xfe5c, 0xfe5c,
+  0xfe5e, 0xfe5e,
+  0xff09, 0xff09,
+  0xff3d, 0xff3d,
+  0xff5d, 0xff5d,
+  0xff60, 0xff60,
+  0xff63, 0xff63
+}; /* CR_Pe */
+
+/* 'Pf': General Category */
+static const OnigCodePoint CR_Pf[] = {
+  9,
+  0x00bb, 0x00bb,
+  0x2019, 0x2019,
+  0x201d, 0x201d,
+  0x203a, 0x203a,
+  0x2e03, 0x2e03,
+  0x2e05, 0x2e05,
+  0x2e0a, 0x2e0a,
+  0x2e0d, 0x2e0d,
+  0x2e1d, 0x2e1d
+}; /* CR_Pf */
+
+/* 'Pi': General Category */
+static const OnigCodePoint CR_Pi[] = {
+  10,
+  0x00ab, 0x00ab,
+  0x2018, 0x2018,
+  0x201b, 0x201c,
+  0x201f, 0x201f,
+  0x2039, 0x2039,
+  0x2e02, 0x2e02,
+  0x2e04, 0x2e04,
+  0x2e09, 0x2e09,
+  0x2e0c, 0x2e0c,
+  0x2e1c, 0x2e1c
+}; /* CR_Pi */
+
+/* 'Po': General Category */
+static const OnigCodePoint CR_Po[] = {
+  88,
+  0x0021, 0x0023,
+  0x0025, 0x0027,
+  0x002a, 0x002a,
+  0x002c, 0x002c,
+  0x002e, 0x002f,
+  0x003a, 0x003b,
+  0x003f, 0x0040,
+  0x005c, 0x005c,
+  0x00a1, 0x00a1,
+  0x00b7, 0x00b7,
+  0x00bf, 0x00bf,
+  0x037e, 0x037e,
+  0x0387, 0x0387,
+  0x055a, 0x055f,
+  0x0589, 0x0589,
+  0x05be, 0x05be,
+  0x05c0, 0x05c0,
+  0x05c3, 0x05c3,
+  0x05c6, 0x05c6,
+  0x05f3, 0x05f4,
+  0x060c, 0x060d,
+  0x061b, 0x061b,
+  0x061e, 0x061f,
+  0x066a, 0x066d,
+  0x06d4, 0x06d4,
+  0x0700, 0x070d,
+  0x0964, 0x0965,
+  0x0970, 0x0970,
+  0x0df4, 0x0df4,
+  0x0e4f, 0x0e4f,
+  0x0e5a, 0x0e5b,
+  0x0f04, 0x0f12,
+  0x0f85, 0x0f85,
+  0x0fd0, 0x0fd1,
+  0x104a, 0x104f,
+  0x10fb, 0x10fb,
+  0x1361, 0x1368,
+  0x166d, 0x166e,
+  0x16eb, 0x16ed,
+  0x1735, 0x1736,
+  0x17d4, 0x17d6,
+  0x17d8, 0x17da,
+  0x1800, 0x1805,
+  0x1807, 0x180a,
+  0x1944, 0x1945,
+  0x19de, 0x19df,
+  0x1a1e, 0x1a1f,
+  0x2016, 0x2017,
+  0x2020, 0x2027,
+  0x2030, 0x2038,
+  0x203b, 0x203e,
+  0x2041, 0x2043,
+  0x2047, 0x2051,
+  0x2053, 0x2053,
+  0x2055, 0x205e,
+  0x23b6, 0x23b6,
+  0x2cf9, 0x2cfc,
+  0x2cfe, 0x2cff,
+  0x2e00, 0x2e01,
+  0x2e06, 0x2e08,
+  0x2e0b, 0x2e0b,
+  0x2e0e, 0x2e16,
+  0x3001, 0x3003,
+  0x303d, 0x303d,
+  0x30fb, 0x30fb,
+  0xfe10, 0xfe16,
+  0xfe19, 0xfe19,
+  0xfe30, 0xfe30,
+  0xfe45, 0xfe46,
+  0xfe49, 0xfe4c,
+  0xfe50, 0xfe52,
+  0xfe54, 0xfe57,
+  0xfe5f, 0xfe61,
+  0xfe68, 0xfe68,
+  0xfe6a, 0xfe6b,
+  0xff01, 0xff03,
+  0xff05, 0xff07,
+  0xff0a, 0xff0a,
+  0xff0c, 0xff0c,
+  0xff0e, 0xff0f,
+  0xff1a, 0xff1b,
+  0xff1f, 0xff20,
+  0xff3c, 0xff3c,
+  0xff61, 0xff61,
+  0xff64, 0xff65,
+  0x10100, 0x10101,
+  0x1039f, 0x1039f,
+  0x10a50, 0x10a58
+}; /* CR_Po */
+
+/* 'Ps': General Category */
+static const OnigCodePoint CR_Ps[] = {
+  67,
+  0x0028, 0x0028,
+  0x005b, 0x005b,
+  0x007b, 0x007b,
+  0x0f3a, 0x0f3a,
+  0x0f3c, 0x0f3c,
+  0x169b, 0x169b,
+  0x201a, 0x201a,
+  0x201e, 0x201e,
+  0x2045, 0x2045,
+  0x207d, 0x207d,
+  0x208d, 0x208d,
+  0x2329, 0x2329,
+  0x23b4, 0x23b4,
+  0x2768, 0x2768,
+  0x276a, 0x276a,
+  0x276c, 0x276c,
+  0x276e, 0x276e,
+  0x2770, 0x2770,
+  0x2772, 0x2772,
+  0x2774, 0x2774,
+  0x27c5, 0x27c5,
+  0x27e6, 0x27e6,
+  0x27e8, 0x27e8,
+  0x27ea, 0x27ea,
+  0x2983, 0x2983,
+  0x2985, 0x2985,
+  0x2987, 0x2987,
+  0x2989, 0x2989,
+  0x298b, 0x298b,
+  0x298d, 0x298d,
+  0x298f, 0x298f,
+  0x2991, 0x2991,
+  0x2993, 0x2993,
+  0x2995, 0x2995,
+  0x2997, 0x2997,
+  0x29d8, 0x29d8,
+  0x29da, 0x29da,
+  0x29fc, 0x29fc,
+  0x3008, 0x3008,
+  0x300a, 0x300a,
+  0x300c, 0x300c,
+  0x300e, 0x300e,
+  0x3010, 0x3010,
+  0x3014, 0x3014,
+  0x3016, 0x3016,
+  0x3018, 0x3018,
+  0x301a, 0x301a,
+  0x301d, 0x301d,
+  0xfd3e, 0xfd3e,
+  0xfe17, 0xfe17,
+  0xfe35, 0xfe35,
+  0xfe37, 0xfe37,
+  0xfe39, 0xfe39,
+  0xfe3b, 0xfe3b,
+  0xfe3d, 0xfe3d,
+  0xfe3f, 0xfe3f,
+  0xfe41, 0xfe41,
+  0xfe43, 0xfe43,
+  0xfe47, 0xfe47,
+  0xfe59, 0xfe59,
+  0xfe5b, 0xfe5b,
+  0xfe5d, 0xfe5d,
+  0xff08, 0xff08,
+  0xff3b, 0xff3b,
+  0xff5b, 0xff5b,
+  0xff5f, 0xff5f,
+  0xff62, 0xff62
+}; /* CR_Ps */
+
+/* 'S': Major Category */
+static const OnigCodePoint CR_S[] = {
+  162,
+  0x0024, 0x0024,
+  0x002b, 0x002b,
+  0x003c, 0x003e,
+  0x005e, 0x005e,
+  0x0060, 0x0060,
+  0x007c, 0x007c,
+  0x007e, 0x007e,
+  0x00a2, 0x00a9,
+  0x00ac, 0x00ac,
+  0x00ae, 0x00b1,
+  0x00b4, 0x00b4,
+  0x00b6, 0x00b6,
+  0x00b8, 0x00b8,
+  0x00d7, 0x00d7,
+  0x00f7, 0x00f7,
+  0x02c2, 0x02c5,
+  0x02d2, 0x02df,
+  0x02e5, 0x02ed,
+  0x02ef, 0x02ff,
+  0x0374, 0x0375,
+  0x0384, 0x0385,
+  0x03f6, 0x03f6,
+  0x0482, 0x0482,
+  0x060b, 0x060b,
+  0x060e, 0x060f,
+  0x06e9, 0x06e9,
+  0x06fd, 0x06fe,
+  0x09f2, 0x09f3,
+  0x09fa, 0x09fa,
+  0x0af1, 0x0af1,
+  0x0b70, 0x0b70,
+  0x0bf3, 0x0bfa,
+  0x0e3f, 0x0e3f,
+  0x0f01, 0x0f03,
+  0x0f13, 0x0f17,
+  0x0f1a, 0x0f1f,
+  0x0f34, 0x0f34,
+  0x0f36, 0x0f36,
+  0x0f38, 0x0f38,
+  0x0fbe, 0x0fc5,
+  0x0fc7, 0x0fcc,
+  0x0fcf, 0x0fcf,
+  0x1360, 0x1360,
+  0x1390, 0x1399,
+  0x17db, 0x17db,
+  0x1940, 0x1940,
+  0x19e0, 0x19ff,
+  0x1fbd, 0x1fbd,
+  0x1fbf, 0x1fc1,
+  0x1fcd, 0x1fcf,
+  0x1fdd, 0x1fdf,
+  0x1fed, 0x1fef,
+  0x1ffd, 0x1ffe,
+  0x2044, 0x2044,
+  0x2052, 0x2052,
+  0x207a, 0x207c,
+  0x208a, 0x208c,
+  0x20a0, 0x20b5,
+  0x2100, 0x2101,
+  0x2103, 0x2106,
+  0x2108, 0x2109,
+  0x2114, 0x2114,
+  0x2116, 0x2118,
+  0x211e, 0x2123,
+  0x2125, 0x2125,
+  0x2127, 0x2127,
+  0x2129, 0x2129,
+  0x212e, 0x212e,
+  0x2132, 0x2132,
+  0x213a, 0x213b,
+  0x2140, 0x2144,
+  0x214a, 0x214c,
+  0x2190, 0x2328,
+  0x232b, 0x23b3,
+  0x23b7, 0x23db,
+  0x2400, 0x2426,
+  0x2440, 0x244a,
+  0x249c, 0x24e9,
+  0x2500, 0x269c,
+  0x26a0, 0x26b1,
+  0x2701, 0x2704,
+  0x2706, 0x2709,
+  0x270c, 0x2727,
+  0x2729, 0x274b,
+  0x274d, 0x274d,
+  0x274f, 0x2752,
+  0x2756, 0x2756,
+  0x2758, 0x275e,
+  0x2761, 0x2767,
+  0x2794, 0x2794,
+  0x2798, 0x27af,
+  0x27b1, 0x27be,
+  0x27c0, 0x27c4,
+  0x27d0, 0x27e5,
+  0x27f0, 0x2982,
+  0x2999, 0x29d7,
+  0x29dc, 0x29fb,
+  0x29fe, 0x2b13,
+  0x2ce5, 0x2cea,
+  0x2e80, 0x2e99,
+  0x2e9b, 0x2ef3,
+  0x2f00, 0x2fd5,
+  0x2ff0, 0x2ffb,
+  0x3004, 0x3004,
+  0x3012, 0x3013,
+  0x3020, 0x3020,
+  0x3036, 0x3037,
+  0x303e, 0x303f,
+  0x309b, 0x309c,
+  0x3190, 0x3191,
+  0x3196, 0x319f,
+  0x31c0, 0x31cf,
+  0x3200, 0x321e,
+  0x322a, 0x3243,
+  0x3250, 0x3250,
+  0x3260, 0x327f,
+  0x328a, 0x32b0,
+  0x32c0, 0x32fe,
+  0x3300, 0x33ff,
+  0x4dc0, 0x4dff,
+  0xa490, 0xa4c6,
+  0xa700, 0xa716,
+  0xa828, 0xa82b,
+  0xfb29, 0xfb29,
+  0xfdfc, 0xfdfd,
+  0xfe62, 0xfe62,
+  0xfe64, 0xfe66,
+  0xfe69, 0xfe69,
+  0xff04, 0xff04,
+  0xff0b, 0xff0b,
+  0xff1c, 0xff1e,
+  0xff3e, 0xff3e,
+  0xff40, 0xff40,
+  0xff5c, 0xff5c,
+  0xff5e, 0xff5e,
+  0xffe0, 0xffe6,
+  0xffe8, 0xffee,
+  0xfffc, 0xfffd,
+  0x10102, 0x10102,
+  0x10137, 0x1013f,
+  0x10179, 0x10189,
+  0x103d0, 0x103d0,
+  0x1d000, 0x1d0f5,
+  0x1d100, 0x1d126,
+  0x1d12a, 0x1d164,
+  0x1d16a, 0x1d16c,
+  0x1d183, 0x1d184,
+  0x1d18c, 0x1d1a9,
+  0x1d1ae, 0x1d1dd,
+  0x1d200, 0x1d241,
+  0x1d245, 0x1d245,
+  0x1d300, 0x1d356,
+  0x1d6c1, 0x1d6c1,
+  0x1d6db, 0x1d6db,
+  0x1d6fb, 0x1d6fb,
+  0x1d715, 0x1d715,
+  0x1d735, 0x1d735,
+  0x1d74f, 0x1d74f,
+  0x1d76f, 0x1d76f,
+  0x1d789, 0x1d789,
+  0x1d7a9, 0x1d7a9,
+  0x1d7c3, 0x1d7c3
+}; /* CR_S */
+
+/* 'Sc': General Category */
+static const OnigCodePoint CR_Sc[] = {
+  14,
+  0x0024, 0x0024,
+  0x00a2, 0x00a5,
+  0x060b, 0x060b,
+  0x09f2, 0x09f3,
+  0x0af1, 0x0af1,
+  0x0bf9, 0x0bf9,
+  0x0e3f, 0x0e3f,
+  0x17db, 0x17db,
+  0x20a0, 0x20b5,
+  0xfdfc, 0xfdfc,
+  0xfe69, 0xfe69,
+  0xff04, 0xff04,
+  0xffe0, 0xffe1,
+  0xffe5, 0xffe6
+}; /* CR_Sc */
+
+/* 'Sk': General Category */
+static const OnigCodePoint CR_Sk[] = {
+  23,
+  0x005e, 0x005e,
+  0x0060, 0x0060,
+  0x00a8, 0x00a8,
+  0x00af, 0x00af,
+  0x00b4, 0x00b4,
+  0x00b8, 0x00b8,
+  0x02c2, 0x02c5,
+  0x02d2, 0x02df,
+  0x02e5, 0x02ed,
+  0x02ef, 0x02ff,
+  0x0374, 0x0375,
+  0x0384, 0x0385,
+  0x1fbd, 0x1fbd,
+  0x1fbf, 0x1fc1,
+  0x1fcd, 0x1fcf,
+  0x1fdd, 0x1fdf,
+  0x1fed, 0x1fef,
+  0x1ffd, 0x1ffe,
+  0x309b, 0x309c,
+  0xa700, 0xa716,
+  0xff3e, 0xff3e,
+  0xff40, 0xff40,
+  0xffe3, 0xffe3
+}; /* CR_Sk */
+
+/* 'Sm': General Category */
+static const OnigCodePoint CR_Sm[] = {
+  59,
+  0x002b, 0x002b,
+  0x003c, 0x003e,
+  0x007c, 0x007c,
+  0x007e, 0x007e,
+  0x00ac, 0x00ac,
+  0x00b1, 0x00b1,
+  0x00d7, 0x00d7,
+  0x00f7, 0x00f7,
+  0x03f6, 0x03f6,
+  0x2044, 0x2044,
+  0x2052, 0x2052,
+  0x207a, 0x207c,
+  0x208a, 0x208c,
+  0x2140, 0x2144,
+  0x214b, 0x214b,
+  0x2190, 0x2194,
+  0x219a, 0x219b,
+  0x21a0, 0x21a0,
+  0x21a3, 0x21a3,
+  0x21a6, 0x21a6,
+  0x21ae, 0x21ae,
+  0x21ce, 0x21cf,
+  0x21d2, 0x21d2,
+  0x21d4, 0x21d4,
+  0x21f4, 0x22ff,
+  0x2308, 0x230b,
+  0x2320, 0x2321,
+  0x237c, 0x237c,
+  0x239b, 0x23b3,
+  0x25b7, 0x25b7,
+  0x25c1, 0x25c1,
+  0x25f8, 0x25ff,
+  0x266f, 0x266f,
+  0x27c0, 0x27c4,
+  0x27d0, 0x27e5,
+  0x27f0, 0x27ff,
+  0x2900, 0x2982,
+  0x2999, 0x29d7,
+  0x29dc, 0x29fb,
+  0x29fe, 0x2aff,
+  0xfb29, 0xfb29,
+  0xfe62, 0xfe62,
+  0xfe64, 0xfe66,
+  0xff0b, 0xff0b,
+  0xff1c, 0xff1e,
+  0xff5c, 0xff5c,
+  0xff5e, 0xff5e,
+  0xffe2, 0xffe2,
+  0xffe9, 0xffec,
+  0x1d6c1, 0x1d6c1,
+  0x1d6db, 0x1d6db,
+  0x1d6fb, 0x1d6fb,
+  0x1d715, 0x1d715,
+  0x1d735, 0x1d735,
+  0x1d74f, 0x1d74f,
+  0x1d76f, 0x1d76f,
+  0x1d789, 0x1d789,
+  0x1d7a9, 0x1d7a9,
+  0x1d7c3, 0x1d7c3
+}; /* CR_Sm */
+
+/* 'So': General Category */
+static const OnigCodePoint CR_So[] = {
+  120,
+  0x00a6, 0x00a7,
+  0x00a9, 0x00a9,
+  0x00ae, 0x00ae,
+  0x00b0, 0x00b0,
+  0x00b6, 0x00b6,
+  0x0482, 0x0482,
+  0x060e, 0x060f,
+  0x06e9, 0x06e9,
+  0x06fd, 0x06fe,
+  0x09fa, 0x09fa,
+  0x0b70, 0x0b70,
+  0x0bf3, 0x0bf8,
+  0x0bfa, 0x0bfa,
+  0x0f01, 0x0f03,
+  0x0f13, 0x0f17,
+  0x0f1a, 0x0f1f,
+  0x0f34, 0x0f34,
+  0x0f36, 0x0f36,
+  0x0f38, 0x0f38,
+  0x0fbe, 0x0fc5,
+  0x0fc7, 0x0fcc,
+  0x0fcf, 0x0fcf,
+  0x1360, 0x1360,
+  0x1390, 0x1399,
+  0x1940, 0x1940,
+  0x19e0, 0x19ff,
+  0x2100, 0x2101,
+  0x2103, 0x2106,
+  0x2108, 0x2109,
+  0x2114, 0x2114,
+  0x2116, 0x2118,
+  0x211e, 0x2123,
+  0x2125, 0x2125,
+  0x2127, 0x2127,
+  0x2129, 0x2129,
+  0x212e, 0x212e,
+  0x2132, 0x2132,
+  0x213a, 0x213b,
+  0x214a, 0x214a,
+  0x214c, 0x214c,
+  0x2195, 0x2199,
+  0x219c, 0x219f,
+  0x21a1, 0x21a2,
+  0x21a4, 0x21a5,
+  0x21a7, 0x21ad,
+  0x21af, 0x21cd,
+  0x21d0, 0x21d1,
+  0x21d3, 0x21d3,
+  0x21d5, 0x21f3,
+  0x2300, 0x2307,
+  0x230c, 0x231f,
+  0x2322, 0x2328,
+  0x232b, 0x237b,
+  0x237d, 0x239a,
+  0x23b7, 0x23db,
+  0x2400, 0x2426,
+  0x2440, 0x244a,
+  0x249c, 0x24e9,
+  0x2500, 0x25b6,
+  0x25b8, 0x25c0,
+  0x25c2, 0x25f7,
+  0x2600, 0x266e,
+  0x2670, 0x269c,
+  0x26a0, 0x26b1,
+  0x2701, 0x2704,
+  0x2706, 0x2709,
+  0x270c, 0x2727,
+  0x2729, 0x274b,
+  0x274d, 0x274d,
+  0x274f, 0x2752,
+  0x2756, 0x2756,
+  0x2758, 0x275e,
+  0x2761, 0x2767,
+  0x2794, 0x2794,
+  0x2798, 0x27af,
+  0x27b1, 0x27be,
+  0x2800, 0x28ff,
+  0x2b00, 0x2b13,
+  0x2ce5, 0x2cea,
+  0x2e80, 0x2e99,
+  0x2e9b, 0x2ef3,
+  0x2f00, 0x2fd5,
+  0x2ff0, 0x2ffb,
+  0x3004, 0x3004,
+  0x3012, 0x3013,
+  0x3020, 0x3020,
+  0x3036, 0x3037,
+  0x303e, 0x303f,
+  0x3190, 0x3191,
+  0x3196, 0x319f,
+  0x31c0, 0x31cf,
+  0x3200, 0x321e,
+  0x322a, 0x3243,
+  0x3250, 0x3250,
+  0x3260, 0x327f,
+  0x328a, 0x32b0,
+  0x32c0, 0x32fe,
+  0x3300, 0x33ff,
+  0x4dc0, 0x4dff,
+  0xa490, 0xa4c6,
+  0xa828, 0xa82b,
+  0xfdfd, 0xfdfd,
+  0xffe4, 0xffe4,
+  0xffe8, 0xffe8,
+  0xffed, 0xffee,
+  0xfffc, 0xfffd,
+  0x10102, 0x10102,
+  0x10137, 0x1013f,
+  0x10179, 0x10189,
+  0x103d0, 0x103d0,
+  0x1d000, 0x1d0f5,
+  0x1d100, 0x1d126,
+  0x1d12a, 0x1d164,
+  0x1d16a, 0x1d16c,
+  0x1d183, 0x1d184,
+  0x1d18c, 0x1d1a9,
+  0x1d1ae, 0x1d1dd,
+  0x1d200, 0x1d241,
+  0x1d245, 0x1d245,
+  0x1d300, 0x1d356
+}; /* CR_So */
+
+/* 'Z': Major Category */
+static const OnigCodePoint CR_Z[] = {
+  9,
+  0x0020, 0x0020,
+  0x00a0, 0x00a0,
+  0x1680, 0x1680,
+  0x180e, 0x180e,
+  0x2000, 0x200a,
+  0x2028, 0x2029,
+  0x202f, 0x202f,
+  0x205f, 0x205f,
+  0x3000, 0x3000
+}; /* CR_Z */
+
+/* 'Zl': General Category */
+static const OnigCodePoint CR_Zl[] = {
+  1,
+  0x2028, 0x2028
+}; /* CR_Zl */
+
+/* 'Zp': General Category */
+static const OnigCodePoint CR_Zp[] = {
+  1,
+  0x2029, 0x2029
+}; /* CR_Zp */
+
+/* 'Zs': General Category */
+static const OnigCodePoint CR_Zs[] = {
+  8,
+  0x0020, 0x0020,
+  0x00a0, 0x00a0,
+  0x1680, 0x1680,
+  0x180e, 0x180e,
+  0x2000, 0x200a,
+  0x202f, 0x202f,
+  0x205f, 0x205f,
+  0x3000, 0x3000
+}; /* CR_Zs */
+
+/* 'Arabic': Script */
+static const OnigCodePoint CR_Arabic[] = {
+  17,
+  0x060b, 0x060b,
+  0x060d, 0x0615,
+  0x061e, 0x061e,
+  0x0621, 0x063a,
+  0x0641, 0x064a,
+  0x0656, 0x065e,
+  0x066a, 0x066f,
+  0x0671, 0x06dc,
+  0x06de, 0x06ff,
+  0x0750, 0x076d,
+  0xfb50, 0xfbb1,
+  0xfbd3, 0xfd3d,
+  0xfd50, 0xfd8f,
+  0xfd92, 0xfdc7,
+  0xfdf0, 0xfdfc,
+  0xfe70, 0xfe74,
+  0xfe76, 0xfefc
+}; /* CR_Arabic */
+
+/* 'Armenian': Script */
+static const OnigCodePoint CR_Armenian[] = {
+  5,
+  0x0531, 0x0556,
+  0x0559, 0x055f,
+  0x0561, 0x0587,
+  0x058a, 0x058a,
+  0xfb13, 0xfb17
+}; /* CR_Armenian */
+
+/* 'Bengali': Script */
+static const OnigCodePoint CR_Bengali[] = {
+  14,
+  0x0981, 0x0983,
+  0x0985, 0x098c,
+  0x098f, 0x0990,
+  0x0993, 0x09a8,
+  0x09aa, 0x09b0,
+  0x09b2, 0x09b2,
+  0x09b6, 0x09b9,
+  0x09bc, 0x09c4,
+  0x09c7, 0x09c8,
+  0x09cb, 0x09ce,
+  0x09d7, 0x09d7,
+  0x09dc, 0x09dd,
+  0x09df, 0x09e3,
+  0x09e6, 0x09fa
+}; /* CR_Bengali */
+
+/* 'Bopomofo': Script */
+static const OnigCodePoint CR_Bopomofo[] = {
+  2,
+  0x3105, 0x312c,
+  0x31a0, 0x31b7
+}; /* CR_Bopomofo */
+
+/* 'Braille': Script */
+static const OnigCodePoint CR_Braille[] = {
+  1,
+  0x2800, 0x28ff
+}; /* CR_Braille */
+
+/* 'Buginese': Script */
+static const OnigCodePoint CR_Buginese[] = {
+  2,
+  0x1a00, 0x1a1b,
+  0x1a1e, 0x1a1f
+}; /* CR_Buginese */
+
+/* 'Buhid': Script */
+static const OnigCodePoint CR_Buhid[] = {
+  1,
+  0x1740, 0x1753
+}; /* CR_Buhid */
+
+/* 'Canadian_Aboriginal': Script */
+static const OnigCodePoint CR_Canadian_Aboriginal[] = {
+  1,
+  0x1401, 0x1676
+}; /* CR_Canadian_Aboriginal */
+
+/* 'Cherokee': Script */
+static const OnigCodePoint CR_Cherokee[] = {
+  1,
+  0x13a0, 0x13f4
+}; /* CR_Cherokee */
+
+/* 'Common': Script */
+static const OnigCodePoint CR_Common[] = {
+  126,
+  0x0000, 0x0040,
+  0x005b, 0x0060,
+  0x007b, 0x00a9,
+  0x00ab, 0x00b9,
+  0x00bb, 0x00bf,
+  0x00d7, 0x00d7,
+  0x00f7, 0x00f7,
+  0x02b9, 0x02df,
+  0x02e5, 0x02ff,
+  0x037e, 0x037e,
+  0x0387, 0x0387,
+  0x0589, 0x0589,
+  0x0600, 0x0603,
+  0x060c, 0x060c,
+  0x061b, 0x061b,
+  0x061f, 0x061f,
+  0x0640, 0x0640,
+  0x0660, 0x0669,
+  0x06dd, 0x06dd,
+  0x0964, 0x0965,
+  0x0970, 0x0970,
+  0x0e3f, 0x0e3f,
+  0x10fb, 0x10fb,
+  0x16eb, 0x16ed,
+  0x1735, 0x1736,
+  0x2000, 0x200b,
+  0x200e, 0x2063,
+  0x206a, 0x2070,
+  0x2074, 0x207e,
+  0x2080, 0x208e,
+  0x20a0, 0x20b5,
+  0x2100, 0x2125,
+  0x2127, 0x2129,
+  0x212c, 0x214c,
+  0x2153, 0x2183,
+  0x2190, 0x23db,
+  0x2400, 0x2426,
+  0x2440, 0x244a,
+  0x2460, 0x269c,
+  0x26a0, 0x26b1,
+  0x2701, 0x2704,
+  0x2706, 0x2709,
+  0x270c, 0x2727,
+  0x2729, 0x274b,
+  0x274d, 0x274d,
+  0x274f, 0x2752,
+  0x2756, 0x2756,
+  0x2758, 0x275e,
+  0x2761, 0x2794,
+  0x2798, 0x27af,
+  0x27b1, 0x27be,
+  0x27c0, 0x27c6,
+  0x27d0, 0x27eb,
+  0x27f0, 0x27ff,
+  0x2900, 0x2b13,
+  0x2e00, 0x2e17,
+  0x2e1c, 0x2e1d,
+  0x2ff0, 0x2ffb,
+  0x3000, 0x3004,
+  0x3006, 0x3006,
+  0x3008, 0x3020,
+  0x3030, 0x3037,
+  0x303c, 0x303f,
+  0x309b, 0x309c,
+  0x30a0, 0x30a0,
+  0x30fb, 0x30fc,
+  0x3190, 0x319f,
+  0x31c0, 0x31cf,
+  0x3220, 0x3243,
+  0x3250, 0x325f,
+  0x327e, 0x32fe,
+  0x3300, 0x33ff,
+  0x4dc0, 0x4dff,
+  0xa700, 0xa716,
+  0xe000, 0xf8ff,
+  0xfd3e, 0xfd3f,
+  0xfdfd, 0xfdfd,
+  0xfe10, 0xfe19,
+  0xfe30, 0xfe52,
+  0xfe54, 0xfe66,
+  0xfe68, 0xfe6b,
+  0xfeff, 0xfeff,
+  0xff01, 0xff20,
+  0xff3b, 0xff40,
+  0xff5b, 0xff65,
+  0xff70, 0xff70,
+  0xff9e, 0xff9f,
+  0xffe0, 0xffe6,
+  0xffe8, 0xffee,
+  0xfff9, 0xfffd,
+  0x10100, 0x10102,
+  0x10107, 0x10133,
+  0x10137, 0x1013f,
+  0x1d000, 0x1d0f5,
+  0x1d100, 0x1d126,
+  0x1d12a, 0x1d166,
+  0x1d16a, 0x1d17a,
+  0x1d183, 0x1d184,
+  0x1d18c, 0x1d1a9,
+  0x1d1ae, 0x1d1dd,
+  0x1d300, 0x1d356,
+  0x1d400, 0x1d454,
+  0x1d456, 0x1d49c,
+  0x1d49e, 0x1d49f,
+  0x1d4a2, 0x1d4a2,
+  0x1d4a5, 0x1d4a6,
+  0x1d4a9, 0x1d4ac,
+  0x1d4ae, 0x1d4b9,
+  0x1d4bb, 0x1d4bb,
+  0x1d4bd, 0x1d4c3,
+  0x1d4c5, 0x1d505,
+  0x1d507, 0x1d50a,
+  0x1d50d, 0x1d514,
+  0x1d516, 0x1d51c,
+  0x1d51e, 0x1d539,
+  0x1d53b, 0x1d53e,
+  0x1d540, 0x1d544,
+  0x1d546, 0x1d546,
+  0x1d54a, 0x1d550,
+  0x1d552, 0x1d6a5,
+  0x1d6a8, 0x1d7c9,
+  0x1d7ce, 0x1d7ff,
+  0xe0001, 0xe0001,
+  0xe0020, 0xe007f,
+  0xf0000, 0xffffd,
+  0x100000, 0x10fffd
+}; /* CR_Common */
+
+/* 'Coptic': Script */
+static const OnigCodePoint CR_Coptic[] = {
+  3,
+  0x03e2, 0x03ef,
+  0x2c80, 0x2cea,
+  0x2cf9, 0x2cff
+}; /* CR_Coptic */
+
+/* 'Cypriot': Script */
+static const OnigCodePoint CR_Cypriot[] = {
+  6,
+  0x10800, 0x10805,
+  0x10808, 0x10808,
+  0x1080a, 0x10835,
+  0x10837, 0x10838,
+  0x1083c, 0x1083c,
+  0x1083f, 0x1083f
+}; /* CR_Cypriot */
+
+/* 'Cyrillic': Script */
+static const OnigCodePoint CR_Cyrillic[] = {
+  6,
+  0x0400, 0x0486,
+  0x0488, 0x04ce,
+  0x04d0, 0x04f9,
+  0x0500, 0x050f,
+  0x1d2b, 0x1d2b,
+  0x1d78, 0x1d78
+}; /* CR_Cyrillic */
+
+/* 'Deseret': Script */
+static const OnigCodePoint CR_Deseret[] = {
+  1,
+  0x10400, 0x1044f
+}; /* CR_Deseret */
+
+/* 'Devanagari': Script */
+static const OnigCodePoint CR_Devanagari[] = {
+  6,
+  0x0901, 0x0939,
+  0x093c, 0x094d,
+  0x0950, 0x0954,
+  0x0958, 0x0963,
+  0x0966, 0x096f,
+  0x097d, 0x097d
+}; /* CR_Devanagari */
+
+/* 'Ethiopic': Script */
+static const OnigCodePoint CR_Ethiopic[] = {
+  27,
+  0x1200, 0x1248,
+  0x124a, 0x124d,
+  0x1250, 0x1256,
+  0x1258, 0x1258,
+  0x125a, 0x125d,
+  0x1260, 0x1288,
+  0x128a, 0x128d,
+  0x1290, 0x12b0,
+  0x12b2, 0x12b5,
+  0x12b8, 0x12be,
+  0x12c0, 0x12c0,
+  0x12c2, 0x12c5,
+  0x12c8, 0x12d6,
+  0x12d8, 0x1310,
+  0x1312, 0x1315,
+  0x1318, 0x135a,
+  0x135f, 0x137c,
+  0x1380, 0x1399,
+  0x2d80, 0x2d96,
+  0x2da0, 0x2da6,
+  0x2da8, 0x2dae,
+  0x2db0, 0x2db6,
+  0x2db8, 0x2dbe,
+  0x2dc0, 0x2dc6,
+  0x2dc8, 0x2dce,
+  0x2dd0, 0x2dd6,
+  0x2dd8, 0x2dde
+}; /* CR_Ethiopic */
+
+/* 'Georgian': Script */
+static const OnigCodePoint CR_Georgian[] = {
+  4,
+  0x10a0, 0x10c5,
+  0x10d0, 0x10fa,
+  0x10fc, 0x10fc,
+  0x2d00, 0x2d25
+}; /* CR_Georgian */
+
+/* 'Glagolitic': Script */
+static const OnigCodePoint CR_Glagolitic[] = {
+  2,
+  0x2c00, 0x2c2e,
+  0x2c30, 0x2c5e
+}; /* CR_Glagolitic */
+
+/* 'Gothic': Script */
+static const OnigCodePoint CR_Gothic[] = {
+  1,
+  0x10330, 0x1034a
+}; /* CR_Gothic */
+
+/* 'Greek': Script */
+static const OnigCodePoint CR_Greek[] = {
+  31,
+  0x0374, 0x0375,
+  0x037a, 0x037a,
+  0x0384, 0x0386,
+  0x0388, 0x038a,
+  0x038c, 0x038c,
+  0x038e, 0x03a1,
+  0x03a3, 0x03ce,
+  0x03d0, 0x03e1,
+  0x03f0, 0x03ff,
+  0x1d26, 0x1d2a,
+  0x1d5d, 0x1d61,
+  0x1d66, 0x1d6a,
+  0x1f00, 0x1f15,
+  0x1f18, 0x1f1d,
+  0x1f20, 0x1f45,
+  0x1f48, 0x1f4d,
+  0x1f50, 0x1f57,
+  0x1f59, 0x1f59,
+  0x1f5b, 0x1f5b,
+  0x1f5d, 0x1f5d,
+  0x1f5f, 0x1f7d,
+  0x1f80, 0x1fb4,
+  0x1fb6, 0x1fc4,
+  0x1fc6, 0x1fd3,
+  0x1fd6, 0x1fdb,
+  0x1fdd, 0x1fef,
+  0x1ff2, 0x1ff4,
+  0x1ff6, 0x1ffe,
+  0x2126, 0x2126,
+  0x10140, 0x1018a,
+  0x1d200, 0x1d245
+}; /* CR_Greek */
+
+/* 'Gujarati': Script */
+static const OnigCodePoint CR_Gujarati[] = {
+  14,
+  0x0a81, 0x0a83,
+  0x0a85, 0x0a8d,
+  0x0a8f, 0x0a91,
+  0x0a93, 0x0aa8,
+  0x0aaa, 0x0ab0,
+  0x0ab2, 0x0ab3,
+  0x0ab5, 0x0ab9,
+  0x0abc, 0x0ac5,
+  0x0ac7, 0x0ac9,
+  0x0acb, 0x0acd,
+  0x0ad0, 0x0ad0,
+  0x0ae0, 0x0ae3,
+  0x0ae6, 0x0aef,
+  0x0af1, 0x0af1
+}; /* CR_Gujarati */
+
+/* 'Gurmukhi': Script */
+static const OnigCodePoint CR_Gurmukhi[] = {
+  15,
+  0x0a01, 0x0a03,
+  0x0a05, 0x0a0a,
+  0x0a0f, 0x0a10,
+  0x0a13, 0x0a28,
+  0x0a2a, 0x0a30,
+  0x0a32, 0x0a33,
+  0x0a35, 0x0a36,
+  0x0a38, 0x0a39,
+  0x0a3c, 0x0a3c,
+  0x0a3e, 0x0a42,
+  0x0a47, 0x0a48,
+  0x0a4b, 0x0a4d,
+  0x0a59, 0x0a5c,
+  0x0a5e, 0x0a5e,
+  0x0a66, 0x0a74
+}; /* CR_Gurmukhi */
+
+/* 'Han': Script */
+static const OnigCodePoint CR_Han[] = {
+  14,
+  0x2e80, 0x2e99,
+  0x2e9b, 0x2ef3,
+  0x2f00, 0x2fd5,
+  0x3005, 0x3005,
+  0x3007, 0x3007,
+  0x3021, 0x3029,
+  0x3038, 0x303b,
+  0x3400, 0x4db5,
+  0x4e00, 0x9fbb,
+  0xf900, 0xfa2d,
+  0xfa30, 0xfa6a,
+  0xfa70, 0xfad9,
+  0x20000, 0x2a6d6,
+  0x2f800, 0x2fa1d
+}; /* CR_Han */
+
+/* 'Hangul': Script */
+static const OnigCodePoint CR_Hangul[] = {
+  12,
+  0x1100, 0x1159,
+  0x115f, 0x11a2,
+  0x11a8, 0x11f9,
+  0x3131, 0x318e,
+  0x3200, 0x321e,
+  0x3260, 0x327d,
+  0xac00, 0xd7a3,
+  0xffa0, 0xffbe,
+  0xffc2, 0xffc7,
+  0xffca, 0xffcf,
+  0xffd2, 0xffd7,
+  0xffda, 0xffdc
+}; /* CR_Hangul */
+
+/* 'Hanunoo': Script */
+static const OnigCodePoint CR_Hanunoo[] = {
+  1,
+  0x1720, 0x1734
+}; /* CR_Hanunoo */
+
+/* 'Hebrew': Script */
+static const OnigCodePoint CR_Hebrew[] = {
+  10,
+  0x0591, 0x05b9,
+  0x05bb, 0x05c7,
+  0x05d0, 0x05ea,
+  0x05f0, 0x05f4,
+  0xfb1d, 0xfb36,
+  0xfb38, 0xfb3c,
+  0xfb3e, 0xfb3e,
+  0xfb40, 0xfb41,
+  0xfb43, 0xfb44,
+  0xfb46, 0xfb4f
+}; /* CR_Hebrew */
+
+/* 'Hiragana': Script */
+static const OnigCodePoint CR_Hiragana[] = {
+  2,
+  0x3041, 0x3096,
+  0x309d, 0x309f
+}; /* CR_Hiragana */
+
+/* 'Inherited': Script */
+static const OnigCodePoint CR_Inherited[] = {
+  15,
+  0x0300, 0x036f,
+  0x064b, 0x0655,
+  0x0670, 0x0670,
+  0x1dc0, 0x1dc3,
+  0x200c, 0x200d,
+  0x20d0, 0x20eb,
+  0x302a, 0x302f,
+  0x3099, 0x309a,
+  0xfe00, 0xfe0f,
+  0xfe20, 0xfe23,
+  0x1d167, 0x1d169,
+  0x1d17b, 0x1d182,
+  0x1d185, 0x1d18b,
+  0x1d1aa, 0x1d1ad,
+  0xe0100, 0xe01ef
+}; /* CR_Inherited */
+
+/* 'Kannada': Script */
+static const OnigCodePoint CR_Kannada[] = {
+  13,
+  0x0c82, 0x0c83,
+  0x0c85, 0x0c8c,
+  0x0c8e, 0x0c90,
+  0x0c92, 0x0ca8,
+  0x0caa, 0x0cb3,
+  0x0cb5, 0x0cb9,
+  0x0cbc, 0x0cc4,
+  0x0cc6, 0x0cc8,
+  0x0cca, 0x0ccd,
+  0x0cd5, 0x0cd6,
+  0x0cde, 0x0cde,
+  0x0ce0, 0x0ce1,
+  0x0ce6, 0x0cef
+}; /* CR_Kannada */
+
+/* 'Katakana': Script */
+static const OnigCodePoint CR_Katakana[] = {
+  5,
+  0x30a1, 0x30fa,
+  0x30fd, 0x30ff,
+  0x31f0, 0x31ff,
+  0xff66, 0xff6f,
+  0xff71, 0xff9d
+}; /* CR_Katakana */
+
+/* 'Kharoshthi': Script */
+static const OnigCodePoint CR_Kharoshthi[] = {
+  8,
+  0x10a00, 0x10a03,
+  0x10a05, 0x10a06,
+  0x10a0c, 0x10a13,
+  0x10a15, 0x10a17,
+  0x10a19, 0x10a33,
+  0x10a38, 0x10a3a,
+  0x10a3f, 0x10a47,
+  0x10a50, 0x10a58
+}; /* CR_Kharoshthi */
+
+/* 'Khmer': Script */
+static const OnigCodePoint CR_Khmer[] = {
+  4,
+  0x1780, 0x17dd,
+  0x17e0, 0x17e9,
+  0x17f0, 0x17f9,
+  0x19e0, 0x19ff
+}; /* CR_Khmer */
+
+/* 'Lao': Script */
+static const OnigCodePoint CR_Lao[] = {
+  18,
+  0x0e81, 0x0e82,
+  0x0e84, 0x0e84,
+  0x0e87, 0x0e88,
+  0x0e8a, 0x0e8a,
+  0x0e8d, 0x0e8d,
+  0x0e94, 0x0e97,
+  0x0e99, 0x0e9f,
+  0x0ea1, 0x0ea3,
+  0x0ea5, 0x0ea5,
+  0x0ea7, 0x0ea7,
+  0x0eaa, 0x0eab,
+  0x0ead, 0x0eb9,
+  0x0ebb, 0x0ebd,
+  0x0ec0, 0x0ec4,
+  0x0ec6, 0x0ec6,
+  0x0ec8, 0x0ecd,
+  0x0ed0, 0x0ed9,
+  0x0edc, 0x0edd
+}; /* CR_Lao */
+
+/* 'Latin': Script */
+static const OnigCodePoint CR_Latin[] = {
+  23,
+  0x0041, 0x005a,
+  0x0061, 0x007a,
+  0x00aa, 0x00aa,
+  0x00ba, 0x00ba,
+  0x00c0, 0x00d6,
+  0x00d8, 0x00f6,
+  0x00f8, 0x0241,
+  0x0250, 0x02b8,
+  0x02e0, 0x02e4,
+  0x1d00, 0x1d25,
+  0x1d2c, 0x1d5c,
+  0x1d62, 0x1d65,
+  0x1d6b, 0x1d77,
+  0x1d79, 0x1dbf,
+  0x1e00, 0x1e9b,
+  0x1ea0, 0x1ef9,
+  0x2071, 0x2071,
+  0x207f, 0x207f,
+  0x2090, 0x2094,
+  0x212a, 0x212b,
+  0xfb00, 0xfb06,
+  0xff21, 0xff3a,
+  0xff41, 0xff5a
+}; /* CR_Latin */
+
+/* 'Limbu': Script */
+static const OnigCodePoint CR_Limbu[] = {
+  5,
+  0x1900, 0x191c,
+  0x1920, 0x192b,
+  0x1930, 0x193b,
+  0x1940, 0x1940,
+  0x1944, 0x194f
+}; /* CR_Limbu */
+
+/* 'Linear_B': Script */
+static const OnigCodePoint CR_Linear_B[] = {
+  7,
+  0x10000, 0x1000b,
+  0x1000d, 0x10026,
+  0x10028, 0x1003a,
+  0x1003c, 0x1003d,
+  0x1003f, 0x1004d,
+  0x10050, 0x1005d,
+  0x10080, 0x100fa
+}; /* CR_Linear_B */
+
+/* 'Malayalam': Script */
+static const OnigCodePoint CR_Malayalam[] = {
+  11,
+  0x0d02, 0x0d03,
+  0x0d05, 0x0d0c,
+  0x0d0e, 0x0d10,
+  0x0d12, 0x0d28,
+  0x0d2a, 0x0d39,
+  0x0d3e, 0x0d43,
+  0x0d46, 0x0d48,
+  0x0d4a, 0x0d4d,
+  0x0d57, 0x0d57,
+  0x0d60, 0x0d61,
+  0x0d66, 0x0d6f
+}; /* CR_Malayalam */
+
+/* 'Mongolian': Script */
+static const OnigCodePoint CR_Mongolian[] = {
+  4,
+  0x1800, 0x180e,
+  0x1810, 0x1819,
+  0x1820, 0x1877,
+  0x1880, 0x18a9
+}; /* CR_Mongolian */
+
+/* 'Myanmar': Script */
+static const OnigCodePoint CR_Myanmar[] = {
+  6,
+  0x1000, 0x1021,
+  0x1023, 0x1027,
+  0x1029, 0x102a,
+  0x102c, 0x1032,
+  0x1036, 0x1039,
+  0x1040, 0x1059
+}; /* CR_Myanmar */
+
+/* 'New_Tai_Lue': Script */
+static const OnigCodePoint CR_New_Tai_Lue[] = {
+  4,
+  0x1980, 0x19a9,
+  0x19b0, 0x19c9,
+  0x19d0, 0x19d9,
+  0x19de, 0x19df
+}; /* CR_New_Tai_Lue */
+
+/* 'Ogham': Script */
+static const OnigCodePoint CR_Ogham[] = {
+  1,
+  0x1680, 0x169c
+}; /* CR_Ogham */
+
+/* 'Old_Italic': Script */
+static const OnigCodePoint CR_Old_Italic[] = {
+  2,
+  0x10300, 0x1031e,
+  0x10320, 0x10323
+}; /* CR_Old_Italic */
+
+/* 'Old_Persian': Script */
+static const OnigCodePoint CR_Old_Persian[] = {
+  2,
+  0x103a0, 0x103c3,
+  0x103c8, 0x103d5
+}; /* CR_Old_Persian */
+
+/* 'Oriya': Script */
+static const OnigCodePoint CR_Oriya[] = {
+  14,
+  0x0b01, 0x0b03,
+  0x0b05, 0x0b0c,
+  0x0b0f, 0x0b10,
+  0x0b13, 0x0b28,
+  0x0b2a, 0x0b30,
+  0x0b32, 0x0b33,
+  0x0b35, 0x0b39,
+  0x0b3c, 0x0b43,
+  0x0b47, 0x0b48,
+  0x0b4b, 0x0b4d,
+  0x0b56, 0x0b57,
+  0x0b5c, 0x0b5d,
+  0x0b5f, 0x0b61,
+  0x0b66, 0x0b71
+}; /* CR_Oriya */
+
+/* 'Osmanya': Script */
+static const OnigCodePoint CR_Osmanya[] = {
+  2,
+  0x10480, 0x1049d,
+  0x104a0, 0x104a9
+}; /* CR_Osmanya */
+
+/* 'Runic': Script */
+static const OnigCodePoint CR_Runic[] = {
+  2,
+  0x16a0, 0x16ea,
+  0x16ee, 0x16f0
+}; /* CR_Runic */
+
+/* 'Shavian': Script */
+static const OnigCodePoint CR_Shavian[] = {
+  1,
+  0x10450, 0x1047f
+}; /* CR_Shavian */
+
+/* 'Sinhala': Script */
+static const OnigCodePoint CR_Sinhala[] = {
+  11,
+  0x0d82, 0x0d83,
+  0x0d85, 0x0d96,
+  0x0d9a, 0x0db1,
+  0x0db3, 0x0dbb,
+  0x0dbd, 0x0dbd,
+  0x0dc0, 0x0dc6,
+  0x0dca, 0x0dca,
+  0x0dcf, 0x0dd4,
+  0x0dd6, 0x0dd6,
+  0x0dd8, 0x0ddf,
+  0x0df2, 0x0df4
+}; /* CR_Sinhala */
+
+/* 'Syloti_Nagri': Script */
+static const OnigCodePoint CR_Syloti_Nagri[] = {
+  1,
+  0xa800, 0xa82b
+}; /* CR_Syloti_Nagri */
+
+/* 'Syriac': Script */
+static const OnigCodePoint CR_Syriac[] = {
+  3,
+  0x0700, 0x070d,
+  0x070f, 0x074a,
+  0x074d, 0x074f
+}; /* CR_Syriac */
+
+/* 'Tagalog': Script */
+static const OnigCodePoint CR_Tagalog[] = {
+  2,
+  0x1700, 0x170c,
+  0x170e, 0x1714
+}; /* CR_Tagalog */
+
+/* 'Tagbanwa': Script */
+static const OnigCodePoint CR_Tagbanwa[] = {
+  3,
+  0x1760, 0x176c,
+  0x176e, 0x1770,
+  0x1772, 0x1773
+}; /* CR_Tagbanwa */
+
+/* 'Tai_Le': Script */
+static const OnigCodePoint CR_Tai_Le[] = {
+  2,
+  0x1950, 0x196d,
+  0x1970, 0x1974
+}; /* CR_Tai_Le */
+
+/* 'Tamil': Script */
+static const OnigCodePoint CR_Tamil[] = {
+  15,
+  0x0b82, 0x0b83,
+  0x0b85, 0x0b8a,
+  0x0b8e, 0x0b90,
+  0x0b92, 0x0b95,
+  0x0b99, 0x0b9a,
+  0x0b9c, 0x0b9c,
+  0x0b9e, 0x0b9f,
+  0x0ba3, 0x0ba4,
+  0x0ba8, 0x0baa,
+  0x0bae, 0x0bb9,
+  0x0bbe, 0x0bc2,
+  0x0bc6, 0x0bc8,
+  0x0bca, 0x0bcd,
+  0x0bd7, 0x0bd7,
+  0x0be6, 0x0bfa
+}; /* CR_Tamil */
+
+/* 'Telugu': Script */
+static const OnigCodePoint CR_Telugu[] = {
+  12,
+  0x0c01, 0x0c03,
+  0x0c05, 0x0c0c,
+  0x0c0e, 0x0c10,
+  0x0c12, 0x0c28,
+  0x0c2a, 0x0c33,
+  0x0c35, 0x0c39,
+  0x0c3e, 0x0c44,
+  0x0c46, 0x0c48,
+  0x0c4a, 0x0c4d,
+  0x0c55, 0x0c56,
+  0x0c60, 0x0c61,
+  0x0c66, 0x0c6f
+}; /* CR_Telugu */
+
+/* 'Thaana': Script */
+static const OnigCodePoint CR_Thaana[] = {
+  1,
+  0x0780, 0x07b1
+}; /* CR_Thaana */
+
+/* 'Thai': Script */
+static const OnigCodePoint CR_Thai[] = {
+  2,
+  0x0e01, 0x0e3a,
+  0x0e40, 0x0e5b
+}; /* CR_Thai */
+
+/* 'Tibetan': Script */
+static const OnigCodePoint CR_Tibetan[] = {
+  7,
+  0x0f00, 0x0f47,
+  0x0f49, 0x0f6a,
+  0x0f71, 0x0f8b,
+  0x0f90, 0x0f97,
+  0x0f99, 0x0fbc,
+  0x0fbe, 0x0fcc,
+  0x0fcf, 0x0fd1
+}; /* CR_Tibetan */
+
+/* 'Tifinagh': Script */
+static const OnigCodePoint CR_Tifinagh[] = {
+  2,
+  0x2d30, 0x2d65,
+  0x2d6f, 0x2d6f
+}; /* CR_Tifinagh */
+
+/* 'Ugaritic': Script */
+static const OnigCodePoint CR_Ugaritic[] = {
+  2,
+  0x10380, 0x1039d,
+  0x1039f, 0x1039f
+}; /* CR_Ugaritic */
+
+/* 'Yi': Script */
+static const OnigCodePoint CR_Yi[] = {
+  2,
+  0xa000, 0xa48c,
+  0xa490, 0xa4c6
+}; /* CR_Yi */
+
+
+#endif /* USE_UNICODE_PROPERTIES */
+
+
+typedef struct {
+  int n;
+  OnigCodePoint code[3];
+} CodePointList3;
+
+typedef struct {
+  OnigCodePoint  from;
+  CodePointList3 to;
+} CaseFold_11_Type;
+
+typedef struct {
+  OnigCodePoint  from;
+  CodePointList3 to;
+} CaseUnfold_11_Type;
+
+typedef struct {
+  int n;
+  OnigCodePoint code[2];
+} CodePointList2;
+
+typedef struct {
+  OnigCodePoint  from[2];
+  CodePointList2 to;
+} CaseUnfold_12_Type;
+
+typedef struct {
+  OnigCodePoint  from[3];
+  CodePointList2 to;
+} CaseUnfold_13_Type;
+
+static const CaseFold_11_Type CaseFold[] = {
+ { 0x0041, {1, {0x0061}}},
+ { 0x0042, {1, {0x0062}}},
+ { 0x0043, {1, {0x0063}}},
+ { 0x0044, {1, {0x0064}}},
+ { 0x0045, {1, {0x0065}}},
+ { 0x0046, {1, {0x0066}}},
+ { 0x0047, {1, {0x0067}}},
+ { 0x0048, {1, {0x0068}}},
+ { 0x004a, {1, {0x006a}}},
+ { 0x004b, {1, {0x006b}}},
+ { 0x004c, {1, {0x006c}}},
+ { 0x004d, {1, {0x006d}}},
+ { 0x004e, {1, {0x006e}}},
+ { 0x004f, {1, {0x006f}}},
+ { 0x0050, {1, {0x0070}}},
+ { 0x0051, {1, {0x0071}}},
+ { 0x0052, {1, {0x0072}}},
+ { 0x0053, {1, {0x0073}}},
+ { 0x0054, {1, {0x0074}}},
+ { 0x0055, {1, {0x0075}}},
+ { 0x0056, {1, {0x0076}}},
+ { 0x0057, {1, {0x0077}}},
+ { 0x0058, {1, {0x0078}}},
+ { 0x0059, {1, {0x0079}}},
+ { 0x005a, {1, {0x007a}}},
+ { 0x00b5, {1, {0x03bc}}},
+ { 0x00c0, {1, {0x00e0}}},
+ { 0x00c1, {1, {0x00e1}}},
+ { 0x00c2, {1, {0x00e2}}},
+ { 0x00c3, {1, {0x00e3}}},
+ { 0x00c4, {1, {0x00e4}}},
+ { 0x00c5, {1, {0x00e5}}},
+ { 0x00c6, {1, {0x00e6}}},
+ { 0x00c7, {1, {0x00e7}}},
+ { 0x00c8, {1, {0x00e8}}},
+ { 0x00c9, {1, {0x00e9}}},
+ { 0x00ca, {1, {0x00ea}}},
+ { 0x00cb, {1, {0x00eb}}},
+ { 0x00cc, {1, {0x00ec}}},
+ { 0x00cd, {1, {0x00ed}}},
+ { 0x00ce, {1, {0x00ee}}},
+ { 0x00cf, {1, {0x00ef}}},
+ { 0x00d0, {1, {0x00f0}}},
+ { 0x00d1, {1, {0x00f1}}},
+ { 0x00d2, {1, {0x00f2}}},
+ { 0x00d3, {1, {0x00f3}}},
+ { 0x00d4, {1, {0x00f4}}},
+ { 0x00d5, {1, {0x00f5}}},
+ { 0x00d6, {1, {0x00f6}}},
+ { 0x00d8, {1, {0x00f8}}},
+ { 0x00d9, {1, {0x00f9}}},
+ { 0x00da, {1, {0x00fa}}},
+ { 0x00db, {1, {0x00fb}}},
+ { 0x00dc, {1, {0x00fc}}},
+ { 0x00dd, {1, {0x00fd}}},
+ { 0x00de, {1, {0x00fe}}},
+ { 0x00df, {2, {0x0073, 0x0073}}},
+ { 0x0100, {1, {0x0101}}},
+ { 0x0102, {1, {0x0103}}},
+ { 0x0104, {1, {0x0105}}},
+ { 0x0106, {1, {0x0107}}},
+ { 0x0108, {1, {0x0109}}},
+ { 0x010a, {1, {0x010b}}},
+ { 0x010c, {1, {0x010d}}},
+ { 0x010e, {1, {0x010f}}},
+ { 0x0110, {1, {0x0111}}},
+ { 0x0112, {1, {0x0113}}},
+ { 0x0114, {1, {0x0115}}},
+ { 0x0116, {1, {0x0117}}},
+ { 0x0118, {1, {0x0119}}},
+ { 0x011a, {1, {0x011b}}},
+ { 0x011c, {1, {0x011d}}},
+ { 0x011e, {1, {0x011f}}},
+ { 0x0120, {1, {0x0121}}},
+ { 0x0122, {1, {0x0123}}},
+ { 0x0124, {1, {0x0125}}},
+ { 0x0126, {1, {0x0127}}},
+ { 0x0128, {1, {0x0129}}},
+ { 0x012a, {1, {0x012b}}},
+ { 0x012c, {1, {0x012d}}},
+ { 0x012e, {1, {0x012f}}},
+ { 0x0132, {1, {0x0133}}},
+ { 0x0134, {1, {0x0135}}},
+ { 0x0136, {1, {0x0137}}},
+ { 0x0139, {1, {0x013a}}},
+ { 0x013b, {1, {0x013c}}},
+ { 0x013d, {1, {0x013e}}},
+ { 0x013f, {1, {0x0140}}},
+ { 0x0141, {1, {0x0142}}},
+ { 0x0143, {1, {0x0144}}},
+ { 0x0145, {1, {0x0146}}},
+ { 0x0147, {1, {0x0148}}},
+ { 0x0149, {2, {0x02bc, 0x006e}}},
+ { 0x014a, {1, {0x014b}}},
+ { 0x014c, {1, {0x014d}}},
+ { 0x014e, {1, {0x014f}}},
+ { 0x0150, {1, {0x0151}}},
+ { 0x0152, {1, {0x0153}}},
+ { 0x0154, {1, {0x0155}}},
+ { 0x0156, {1, {0x0157}}},
+ { 0x0158, {1, {0x0159}}},
+ { 0x015a, {1, {0x015b}}},
+ { 0x015c, {1, {0x015d}}},
+ { 0x015e, {1, {0x015f}}},
+ { 0x0160, {1, {0x0161}}},
+ { 0x0162, {1, {0x0163}}},
+ { 0x0164, {1, {0x0165}}},
+ { 0x0166, {1, {0x0167}}},
+ { 0x0168, {1, {0x0169}}},
+ { 0x016a, {1, {0x016b}}},
+ { 0x016c, {1, {0x016d}}},
+ { 0x016e, {1, {0x016f}}},
+ { 0x0170, {1, {0x0171}}},
+ { 0x0172, {1, {0x0173}}},
+ { 0x0174, {1, {0x0175}}},
+ { 0x0176, {1, {0x0177}}},
+ { 0x0178, {1, {0x00ff}}},
+ { 0x0179, {1, {0x017a}}},
+ { 0x017b, {1, {0x017c}}},
+ { 0x017d, {1, {0x017e}}},
+ { 0x017f, {1, {0x0073}}},
+ { 0x0181, {1, {0x0253}}},
+ { 0x0182, {1, {0x0183}}},
+ { 0x0184, {1, {0x0185}}},
+ { 0x0186, {1, {0x0254}}},
+ { 0x0187, {1, {0x0188}}},
+ { 0x0189, {1, {0x0256}}},
+ { 0x018a, {1, {0x0257}}},
+ { 0x018b, {1, {0x018c}}},
+ { 0x018e, {1, {0x01dd}}},
+ { 0x018f, {1, {0x0259}}},
+ { 0x0190, {1, {0x025b}}},
+ { 0x0191, {1, {0x0192}}},
+ { 0x0193, {1, {0x0260}}},
+ { 0x0194, {1, {0x0263}}},
+ { 0x0196, {1, {0x0269}}},
+ { 0x0197, {1, {0x0268}}},
+ { 0x0198, {1, {0x0199}}},
+ { 0x019c, {1, {0x026f}}},
+ { 0x019d, {1, {0x0272}}},
+ { 0x019f, {1, {0x0275}}},
+ { 0x01a0, {1, {0x01a1}}},
+ { 0x01a2, {1, {0x01a3}}},
+ { 0x01a4, {1, {0x01a5}}},
+ { 0x01a6, {1, {0x0280}}},
+ { 0x01a7, {1, {0x01a8}}},
+ { 0x01a9, {1, {0x0283}}},
+ { 0x01ac, {1, {0x01ad}}},
+ { 0x01ae, {1, {0x0288}}},
+ { 0x01af, {1, {0x01b0}}},
+ { 0x01b1, {1, {0x028a}}},
+ { 0x01b2, {1, {0x028b}}},
+ { 0x01b3, {1, {0x01b4}}},
+ { 0x01b5, {1, {0x01b6}}},
+ { 0x01b7, {1, {0x0292}}},
+ { 0x01b8, {1, {0x01b9}}},
+ { 0x01bc, {1, {0x01bd}}},
+ { 0x01c4, {1, {0x01c6}}},
+ { 0x01c5, {1, {0x01c6}}},
+ { 0x01c7, {1, {0x01c9}}},
+ { 0x01c8, {1, {0x01c9}}},
+ { 0x01ca, {1, {0x01cc}}},
+ { 0x01cb, {1, {0x01cc}}},
+ { 0x01cd, {1, {0x01ce}}},
+ { 0x01cf, {1, {0x01d0}}},
+ { 0x01d1, {1, {0x01d2}}},
+ { 0x01d3, {1, {0x01d4}}},
+ { 0x01d5, {1, {0x01d6}}},
+ { 0x01d7, {1, {0x01d8}}},
+ { 0x01d9, {1, {0x01da}}},
+ { 0x01db, {1, {0x01dc}}},
+ { 0x01de, {1, {0x01df}}},
+ { 0x01e0, {1, {0x01e1}}},
+ { 0x01e2, {1, {0x01e3}}},
+ { 0x01e4, {1, {0x01e5}}},
+ { 0x01e6, {1, {0x01e7}}},
+ { 0x01e8, {1, {0x01e9}}},
+ { 0x01ea, {1, {0x01eb}}},
+ { 0x01ec, {1, {0x01ed}}},
+ { 0x01ee, {1, {0x01ef}}},
+ { 0x01f0, {2, {0x006a, 0x030c}}},
+ { 0x01f1, {1, {0x01f3}}},
+ { 0x01f2, {1, {0x01f3}}},
+ { 0x01f4, {1, {0x01f5}}},
+ { 0x01f6, {1, {0x0195}}},
+ { 0x01f7, {1, {0x01bf}}},
+ { 0x01f8, {1, {0x01f9}}},
+ { 0x01fa, {1, {0x01fb}}},
+ { 0x01fc, {1, {0x01fd}}},
+ { 0x01fe, {1, {0x01ff}}},
+ { 0x0200, {1, {0x0201}}},
+ { 0x0202, {1, {0x0203}}},
+ { 0x0204, {1, {0x0205}}},
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+ { 0x1f0d, {1, {0x1f05}}},
+ { 0x1f0e, {1, {0x1f06}}},
+ { 0x1f0f, {1, {0x1f07}}},
+ { 0x1f18, {1, {0x1f10}}},
+ { 0x1f19, {1, {0x1f11}}},
+ { 0x1f1a, {1, {0x1f12}}},
+ { 0x1f1b, {1, {0x1f13}}},
+ { 0x1f1c, {1, {0x1f14}}},
+ { 0x1f1d, {1, {0x1f15}}},
+ { 0x1f28, {1, {0x1f20}}},
+ { 0x1f29, {1, {0x1f21}}},
+ { 0x1f2a, {1, {0x1f22}}},
+ { 0x1f2b, {1, {0x1f23}}},
+ { 0x1f2c, {1, {0x1f24}}},
+ { 0x1f2d, {1, {0x1f25}}},
+ { 0x1f2e, {1, {0x1f26}}},
+ { 0x1f2f, {1, {0x1f27}}},
+ { 0x1f38, {1, {0x1f30}}},
+ { 0x1f39, {1, {0x1f31}}},
+ { 0x1f3a, {1, {0x1f32}}},
+ { 0x1f3b, {1, {0x1f33}}},
+ { 0x1f3c, {1, {0x1f34}}},
+ { 0x1f3d, {1, {0x1f35}}},
+ { 0x1f3e, {1, {0x1f36}}},
+ { 0x1f3f, {1, {0x1f37}}},
+ { 0x1f48, {1, {0x1f40}}},
+ { 0x1f49, {1, {0x1f41}}},
+ { 0x1f4a, {1, {0x1f42}}},
+ { 0x1f4b, {1, {0x1f43}}},
+ { 0x1f4c, {1, {0x1f44}}},
+ { 0x1f4d, {1, {0x1f45}}},
+ { 0x1f50, {2, {0x03c5, 0x0313}}},
+ { 0x1f52, {3, {0x03c5, 0x0313, 0x0300}}},
+ { 0x1f54, {3, {0x03c5, 0x0313, 0x0301}}},
+ { 0x1f56, {3, {0x03c5, 0x0313, 0x0342}}},
+ { 0x1f59, {1, {0x1f51}}},
+ { 0x1f5b, {1, {0x1f53}}},
+ { 0x1f5d, {1, {0x1f55}}},
+ { 0x1f5f, {1, {0x1f57}}},
+ { 0x1f68, {1, {0x1f60}}},
+ { 0x1f69, {1, {0x1f61}}},
+ { 0x1f6a, {1, {0x1f62}}},
+ { 0x1f6b, {1, {0x1f63}}},
+ { 0x1f6c, {1, {0x1f64}}},
+ { 0x1f6d, {1, {0x1f65}}},
+ { 0x1f6e, {1, {0x1f66}}},
+ { 0x1f6f, {1, {0x1f67}}},
+ { 0x1f80, {2, {0x1f00, 0x03b9}}},
+ { 0x1f81, {2, {0x1f01, 0x03b9}}},
+ { 0x1f82, {2, {0x1f02, 0x03b9}}},
+ { 0x1f83, {2, {0x1f03, 0x03b9}}},
+ { 0x1f84, {2, {0x1f04, 0x03b9}}},
+ { 0x1f85, {2, {0x1f05, 0x03b9}}},
+ { 0x1f86, {2, {0x1f06, 0x03b9}}},
+ { 0x1f87, {2, {0x1f07, 0x03b9}}},
+ { 0x1f88, {2, {0x1f00, 0x03b9}}},
+ { 0x1f89, {2, {0x1f01, 0x03b9}}},
+ { 0x1f8a, {2, {0x1f02, 0x03b9}}},
+ { 0x1f8b, {2, {0x1f03, 0x03b9}}},
+ { 0x1f8c, {2, {0x1f04, 0x03b9}}},
+ { 0x1f8d, {2, {0x1f05, 0x03b9}}},
+ { 0x1f8e, {2, {0x1f06, 0x03b9}}},
+ { 0x1f8f, {2, {0x1f07, 0x03b9}}},
+ { 0x1f90, {2, {0x1f20, 0x03b9}}},
+ { 0x1f91, {2, {0x1f21, 0x03b9}}},
+ { 0x1f92, {2, {0x1f22, 0x03b9}}},
+ { 0x1f93, {2, {0x1f23, 0x03b9}}},
+ { 0x1f94, {2, {0x1f24, 0x03b9}}},
+ { 0x1f95, {2, {0x1f25, 0x03b9}}},
+ { 0x1f96, {2, {0x1f26, 0x03b9}}},
+ { 0x1f97, {2, {0x1f27, 0x03b9}}},
+ { 0x1f98, {2, {0x1f20, 0x03b9}}},
+ { 0x1f99, {2, {0x1f21, 0x03b9}}},
+ { 0x1f9a, {2, {0x1f22, 0x03b9}}},
+ { 0x1f9b, {2, {0x1f23, 0x03b9}}},
+ { 0x1f9c, {2, {0x1f24, 0x03b9}}},
+ { 0x1f9d, {2, {0x1f25, 0x03b9}}},
+ { 0x1f9e, {2, {0x1f26, 0x03b9}}},
+ { 0x1f9f, {2, {0x1f27, 0x03b9}}},
+ { 0x1fa0, {2, {0x1f60, 0x03b9}}},
+ { 0x1fa1, {2, {0x1f61, 0x03b9}}},
+ { 0x1fa2, {2, {0x1f62, 0x03b9}}},
+ { 0x1fa3, {2, {0x1f63, 0x03b9}}},
+ { 0x1fa4, {2, {0x1f64, 0x03b9}}},
+ { 0x1fa5, {2, {0x1f65, 0x03b9}}},
+ { 0x1fa6, {2, {0x1f66, 0x03b9}}},
+ { 0x1fa7, {2, {0x1f67, 0x03b9}}},
+ { 0x1fa8, {2, {0x1f60, 0x03b9}}},
+ { 0x1fa9, {2, {0x1f61, 0x03b9}}},
+ { 0x1faa, {2, {0x1f62, 0x03b9}}},
+ { 0x1fab, {2, {0x1f63, 0x03b9}}},
+ { 0x1fac, {2, {0x1f64, 0x03b9}}},
+ { 0x1fad, {2, {0x1f65, 0x03b9}}},
+ { 0x1fae, {2, {0x1f66, 0x03b9}}},
+ { 0x1faf, {2, {0x1f67, 0x03b9}}},
+ { 0x1fb2, {2, {0x1f70, 0x03b9}}},
+ { 0x1fb3, {2, {0x03b1, 0x03b9}}},
+ { 0x1fb4, {2, {0x03ac, 0x03b9}}},
+ { 0x1fb6, {2, {0x03b1, 0x0342}}},
+ { 0x1fb7, {3, {0x03b1, 0x0342, 0x03b9}}},
+ { 0x1fb8, {1, {0x1fb0}}},
+ { 0x1fb9, {1, {0x1fb1}}},
+ { 0x1fba, {1, {0x1f70}}},
+ { 0x1fbb, {1, {0x1f71}}},
+ { 0x1fbc, {2, {0x03b1, 0x03b9}}},
+ { 0x1fbe, {1, {0x03b9}}},
+ { 0x1fc2, {2, {0x1f74, 0x03b9}}},
+ { 0x1fc3, {2, {0x03b7, 0x03b9}}},
+ { 0x1fc4, {2, {0x03ae, 0x03b9}}},
+ { 0x1fc6, {2, {0x03b7, 0x0342}}},
+ { 0x1fc7, {3, {0x03b7, 0x0342, 0x03b9}}},
+ { 0x1fc8, {1, {0x1f72}}},
+ { 0x1fc9, {1, {0x1f73}}},
+ { 0x1fca, {1, {0x1f74}}},
+ { 0x1fcb, {1, {0x1f75}}},
+ { 0x1fcc, {2, {0x03b7, 0x03b9}}},
+ { 0x1fd2, {3, {0x03b9, 0x0308, 0x0300}}},
+ { 0x1fd3, {3, {0x03b9, 0x0308, 0x0301}}},
+ { 0x1fd6, {2, {0x03b9, 0x0342}}},
+ { 0x1fd7, {3, {0x03b9, 0x0308, 0x0342}}},
+ { 0x1fd8, {1, {0x1fd0}}},
+ { 0x1fd9, {1, {0x1fd1}}},
+ { 0x1fda, {1, {0x1f76}}},
+ { 0x1fdb, {1, {0x1f77}}},
+ { 0x1fe2, {3, {0x03c5, 0x0308, 0x0300}}},
+ { 0x1fe3, {3, {0x03c5, 0x0308, 0x0301}}},
+ { 0x1fe4, {2, {0x03c1, 0x0313}}},
+ { 0x1fe6, {2, {0x03c5, 0x0342}}},
+ { 0x1fe7, {3, {0x03c5, 0x0308, 0x0342}}},
+ { 0x1fe8, {1, {0x1fe0}}},
+ { 0x1fe9, {1, {0x1fe1}}},
+ { 0x1fea, {1, {0x1f7a}}},
+ { 0x1feb, {1, {0x1f7b}}},
+ { 0x1fec, {1, {0x1fe5}}},
+ { 0x1ff2, {2, {0x1f7c, 0x03b9}}},
+ { 0x1ff3, {2, {0x03c9, 0x03b9}}},
+ { 0x1ff4, {2, {0x03ce, 0x03b9}}},
+ { 0x1ff6, {2, {0x03c9, 0x0342}}},
+ { 0x1ff7, {3, {0x03c9, 0x0342, 0x03b9}}},
+ { 0x1ff8, {1, {0x1f78}}},
+ { 0x1ff9, {1, {0x1f79}}},
+ { 0x1ffa, {1, {0x1f7c}}},
+ { 0x1ffb, {1, {0x1f7d}}},
+ { 0x1ffc, {2, {0x03c9, 0x03b9}}},
+ { 0x2126, {1, {0x03c9}}},
+ { 0x212a, {1, {0x006b}}},
+ { 0x212b, {1, {0x00e5}}},
+ { 0x2160, {1, {0x2170}}},
+ { 0x2161, {1, {0x2171}}},
+ { 0x2162, {1, {0x2172}}},
+ { 0x2163, {1, {0x2173}}},
+ { 0x2164, {1, {0x2174}}},
+ { 0x2165, {1, {0x2175}}},
+ { 0x2166, {1, {0x2176}}},
+ { 0x2167, {1, {0x2177}}},
+ { 0x2168, {1, {0x2178}}},
+ { 0x2169, {1, {0x2179}}},
+ { 0x216a, {1, {0x217a}}},
+ { 0x216b, {1, {0x217b}}},
+ { 0x216c, {1, {0x217c}}},
+ { 0x216d, {1, {0x217d}}},
+ { 0x216e, {1, {0x217e}}},
+ { 0x216f, {1, {0x217f}}},
+ { 0x24b6, {1, {0x24d0}}},
+ { 0x24b7, {1, {0x24d1}}},
+ { 0x24b8, {1, {0x24d2}}},
+ { 0x24b9, {1, {0x24d3}}},
+ { 0x24ba, {1, {0x24d4}}},
+ { 0x24bb, {1, {0x24d5}}},
+ { 0x24bc, {1, {0x24d6}}},
+ { 0x24bd, {1, {0x24d7}}},
+ { 0x24be, {1, {0x24d8}}},
+ { 0x24bf, {1, {0x24d9}}},
+ { 0x24c0, {1, {0x24da}}},
+ { 0x24c1, {1, {0x24db}}},
+ { 0x24c2, {1, {0x24dc}}},
+ { 0x24c3, {1, {0x24dd}}},
+ { 0x24c4, {1, {0x24de}}},
+ { 0x24c5, {1, {0x24df}}},
+ { 0x24c6, {1, {0x24e0}}},
+ { 0x24c7, {1, {0x24e1}}},
+ { 0x24c8, {1, {0x24e2}}},
+ { 0x24c9, {1, {0x24e3}}},
+ { 0x24ca, {1, {0x24e4}}},
+ { 0x24cb, {1, {0x24e5}}},
+ { 0x24cc, {1, {0x24e6}}},
+ { 0x24cd, {1, {0x24e7}}},
+ { 0x24ce, {1, {0x24e8}}},
+ { 0x24cf, {1, {0x24e9}}},
+ { 0x2c00, {1, {0x2c30}}},
+ { 0x2c01, {1, {0x2c31}}},
+ { 0x2c02, {1, {0x2c32}}},
+ { 0x2c03, {1, {0x2c33}}},
+ { 0x2c04, {1, {0x2c34}}},
+ { 0x2c05, {1, {0x2c35}}},
+ { 0x2c06, {1, {0x2c36}}},
+ { 0x2c07, {1, {0x2c37}}},
+ { 0x2c08, {1, {0x2c38}}},
+ { 0x2c09, {1, {0x2c39}}},
+ { 0x2c0a, {1, {0x2c3a}}},
+ { 0x2c0b, {1, {0x2c3b}}},
+ { 0x2c0c, {1, {0x2c3c}}},
+ { 0x2c0d, {1, {0x2c3d}}},
+ { 0x2c0e, {1, {0x2c3e}}},
+ { 0x2c0f, {1, {0x2c3f}}},
+ { 0x2c10, {1, {0x2c40}}},
+ { 0x2c11, {1, {0x2c41}}},
+ { 0x2c12, {1, {0x2c42}}},
+ { 0x2c13, {1, {0x2c43}}},
+ { 0x2c14, {1, {0x2c44}}},
+ { 0x2c15, {1, {0x2c45}}},
+ { 0x2c16, {1, {0x2c46}}},
+ { 0x2c17, {1, {0x2c47}}},
+ { 0x2c18, {1, {0x2c48}}},
+ { 0x2c19, {1, {0x2c49}}},
+ { 0x2c1a, {1, {0x2c4a}}},
+ { 0x2c1b, {1, {0x2c4b}}},
+ { 0x2c1c, {1, {0x2c4c}}},
+ { 0x2c1d, {1, {0x2c4d}}},
+ { 0x2c1e, {1, {0x2c4e}}},
+ { 0x2c1f, {1, {0x2c4f}}},
+ { 0x2c20, {1, {0x2c50}}},
+ { 0x2c21, {1, {0x2c51}}},
+ { 0x2c22, {1, {0x2c52}}},
+ { 0x2c23, {1, {0x2c53}}},
+ { 0x2c24, {1, {0x2c54}}},
+ { 0x2c25, {1, {0x2c55}}},
+ { 0x2c26, {1, {0x2c56}}},
+ { 0x2c27, {1, {0x2c57}}},
+ { 0x2c28, {1, {0x2c58}}},
+ { 0x2c29, {1, {0x2c59}}},
+ { 0x2c2a, {1, {0x2c5a}}},
+ { 0x2c2b, {1, {0x2c5b}}},
+ { 0x2c2c, {1, {0x2c5c}}},
+ { 0x2c2d, {1, {0x2c5d}}},
+ { 0x2c2e, {1, {0x2c5e}}},
+ { 0x2c80, {1, {0x2c81}}},
+ { 0x2c82, {1, {0x2c83}}},
+ { 0x2c84, {1, {0x2c85}}},
+ { 0x2c86, {1, {0x2c87}}},
+ { 0x2c88, {1, {0x2c89}}},
+ { 0x2c8a, {1, {0x2c8b}}},
+ { 0x2c8c, {1, {0x2c8d}}},
+ { 0x2c8e, {1, {0x2c8f}}},
+ { 0x2c90, {1, {0x2c91}}},
+ { 0x2c92, {1, {0x2c93}}},
+ { 0x2c94, {1, {0x2c95}}},
+ { 0x2c96, {1, {0x2c97}}},
+ { 0x2c98, {1, {0x2c99}}},
+ { 0x2c9a, {1, {0x2c9b}}},
+ { 0x2c9c, {1, {0x2c9d}}},
+ { 0x2c9e, {1, {0x2c9f}}},
+ { 0x2ca0, {1, {0x2ca1}}},
+ { 0x2ca2, {1, {0x2ca3}}},
+ { 0x2ca4, {1, {0x2ca5}}},
+ { 0x2ca6, {1, {0x2ca7}}},
+ { 0x2ca8, {1, {0x2ca9}}},
+ { 0x2caa, {1, {0x2cab}}},
+ { 0x2cac, {1, {0x2cad}}},
+ { 0x2cae, {1, {0x2caf}}},
+ { 0x2cb0, {1, {0x2cb1}}},
+ { 0x2cb2, {1, {0x2cb3}}},
+ { 0x2cb4, {1, {0x2cb5}}},
+ { 0x2cb6, {1, {0x2cb7}}},
+ { 0x2cb8, {1, {0x2cb9}}},
+ { 0x2cba, {1, {0x2cbb}}},
+ { 0x2cbc, {1, {0x2cbd}}},
+ { 0x2cbe, {1, {0x2cbf}}},
+ { 0x2cc0, {1, {0x2cc1}}},
+ { 0x2cc2, {1, {0x2cc3}}},
+ { 0x2cc4, {1, {0x2cc5}}},
+ { 0x2cc6, {1, {0x2cc7}}},
+ { 0x2cc8, {1, {0x2cc9}}},
+ { 0x2cca, {1, {0x2ccb}}},
+ { 0x2ccc, {1, {0x2ccd}}},
+ { 0x2cce, {1, {0x2ccf}}},
+ { 0x2cd0, {1, {0x2cd1}}},
+ { 0x2cd2, {1, {0x2cd3}}},
+ { 0x2cd4, {1, {0x2cd5}}},
+ { 0x2cd6, {1, {0x2cd7}}},
+ { 0x2cd8, {1, {0x2cd9}}},
+ { 0x2cda, {1, {0x2cdb}}},
+ { 0x2cdc, {1, {0x2cdd}}},
+ { 0x2cde, {1, {0x2cdf}}},
+ { 0x2ce0, {1, {0x2ce1}}},
+ { 0x2ce2, {1, {0x2ce3}}},
+ { 0xfb00, {2, {0x0066, 0x0066}}},
+ { 0xfb01, {2, {0x0066, 0x0069}}},
+ { 0xfb02, {2, {0x0066, 0x006c}}},
+ { 0xfb03, {3, {0x0066, 0x0066, 0x0069}}},
+ { 0xfb04, {3, {0x0066, 0x0066, 0x006c}}},
+ { 0xfb05, {2, {0x0073, 0x0074}}},
+ { 0xfb06, {2, {0x0073, 0x0074}}},
+ { 0xfb13, {2, {0x0574, 0x0576}}},
+ { 0xfb14, {2, {0x0574, 0x0565}}},
+ { 0xfb15, {2, {0x0574, 0x056b}}},
+ { 0xfb16, {2, {0x057e, 0x0576}}},
+ { 0xfb17, {2, {0x0574, 0x056d}}},
+ { 0xff21, {1, {0xff41}}},
+ { 0xff22, {1, {0xff42}}},
+ { 0xff23, {1, {0xff43}}},
+ { 0xff24, {1, {0xff44}}},
+ { 0xff25, {1, {0xff45}}},
+ { 0xff26, {1, {0xff46}}},
+ { 0xff27, {1, {0xff47}}},
+ { 0xff28, {1, {0xff48}}},
+ { 0xff29, {1, {0xff49}}},
+ { 0xff2a, {1, {0xff4a}}},
+ { 0xff2b, {1, {0xff4b}}},
+ { 0xff2c, {1, {0xff4c}}},
+ { 0xff2d, {1, {0xff4d}}},
+ { 0xff2e, {1, {0xff4e}}},
+ { 0xff2f, {1, {0xff4f}}},
+ { 0xff30, {1, {0xff50}}},
+ { 0xff31, {1, {0xff51}}},
+ { 0xff32, {1, {0xff52}}},
+ { 0xff33, {1, {0xff53}}},
+ { 0xff34, {1, {0xff54}}},
+ { 0xff35, {1, {0xff55}}},
+ { 0xff36, {1, {0xff56}}},
+ { 0xff37, {1, {0xff57}}},
+ { 0xff38, {1, {0xff58}}},
+ { 0xff39, {1, {0xff59}}},
+ { 0xff3a, {1, {0xff5a}}},
+ { 0x10400, {1, {0x10428}}},
+ { 0x10401, {1, {0x10429}}},
+ { 0x10402, {1, {0x1042a}}},
+ { 0x10403, {1, {0x1042b}}},
+ { 0x10404, {1, {0x1042c}}},
+ { 0x10405, {1, {0x1042d}}},
+ { 0x10406, {1, {0x1042e}}},
+ { 0x10407, {1, {0x1042f}}},
+ { 0x10408, {1, {0x10430}}},
+ { 0x10409, {1, {0x10431}}},
+ { 0x1040a, {1, {0x10432}}},
+ { 0x1040b, {1, {0x10433}}},
+ { 0x1040c, {1, {0x10434}}},
+ { 0x1040d, {1, {0x10435}}},
+ { 0x1040e, {1, {0x10436}}},
+ { 0x1040f, {1, {0x10437}}},
+ { 0x10410, {1, {0x10438}}},
+ { 0x10411, {1, {0x10439}}},
+ { 0x10412, {1, {0x1043a}}},
+ { 0x10413, {1, {0x1043b}}},
+ { 0x10414, {1, {0x1043c}}},
+ { 0x10415, {1, {0x1043d}}},
+ { 0x10416, {1, {0x1043e}}},
+ { 0x10417, {1, {0x1043f}}},
+ { 0x10418, {1, {0x10440}}},
+ { 0x10419, {1, {0x10441}}},
+ { 0x1041a, {1, {0x10442}}},
+ { 0x1041b, {1, {0x10443}}},
+ { 0x1041c, {1, {0x10444}}},
+ { 0x1041d, {1, {0x10445}}},
+ { 0x1041e, {1, {0x10446}}},
+ { 0x1041f, {1, {0x10447}}},
+ { 0x10420, {1, {0x10448}}},
+ { 0x10421, {1, {0x10449}}},
+ { 0x10422, {1, {0x1044a}}},
+ { 0x10423, {1, {0x1044b}}},
+ { 0x10424, {1, {0x1044c}}},
+ { 0x10425, {1, {0x1044d}}},
+ { 0x10426, {1, {0x1044e}}},
+ { 0x10427, {1, {0x1044f}}}
+};
+
+static const CaseFold_11_Type CaseFold_Locale[] = {
+ { 0x0049, {1, {0x0069}}},
+ { 0x0130, {2, {0x0069, 0x0307}}}
+};
+
+static const CaseUnfold_11_Type CaseUnfold_11[] = {
+ { 0x0061, {1, {0x0041 }}},
+ { 0x0062, {1, {0x0042 }}},
+ { 0x0063, {1, {0x0043 }}},
+ { 0x0064, {1, {0x0044 }}},
+ { 0x0065, {1, {0x0045 }}},
+ { 0x0066, {1, {0x0046 }}},
+ { 0x0067, {1, {0x0047 }}},
+ { 0x0068, {1, {0x0048 }}},
+ { 0x006a, {1, {0x004a }}},
+ { 0x006b, {2, {0x212a, 0x004b }}},
+ { 0x006c, {1, {0x004c }}},
+ { 0x006d, {1, {0x004d }}},
+ { 0x006e, {1, {0x004e }}},
+ { 0x006f, {1, {0x004f }}},
+ { 0x0070, {1, {0x0050 }}},
+ { 0x0071, {1, {0x0051 }}},
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+ { 0xff5a, {1, {0xff3a }}},
+ { 0x10428, {1, {0x10400 }}},
+ { 0x10429, {1, {0x10401 }}},
+ { 0x1042a, {1, {0x10402 }}},
+ { 0x1042b, {1, {0x10403 }}},
+ { 0x1042c, {1, {0x10404 }}},
+ { 0x1042d, {1, {0x10405 }}},
+ { 0x1042e, {1, {0x10406 }}},
+ { 0x1042f, {1, {0x10407 }}},
+ { 0x10430, {1, {0x10408 }}},
+ { 0x10431, {1, {0x10409 }}},
+ { 0x10432, {1, {0x1040a }}},
+ { 0x10433, {1, {0x1040b }}},
+ { 0x10434, {1, {0x1040c }}},
+ { 0x10435, {1, {0x1040d }}},
+ { 0x10436, {1, {0x1040e }}},
+ { 0x10437, {1, {0x1040f }}},
+ { 0x10438, {1, {0x10410 }}},
+ { 0x10439, {1, {0x10411 }}},
+ { 0x1043a, {1, {0x10412 }}},
+ { 0x1043b, {1, {0x10413 }}},
+ { 0x1043c, {1, {0x10414 }}},
+ { 0x1043d, {1, {0x10415 }}},
+ { 0x1043e, {1, {0x10416 }}},
+ { 0x1043f, {1, {0x10417 }}},
+ { 0x10440, {1, {0x10418 }}},
+ { 0x10441, {1, {0x10419 }}},
+ { 0x10442, {1, {0x1041a }}},
+ { 0x10443, {1, {0x1041b }}},
+ { 0x10444, {1, {0x1041c }}},
+ { 0x10445, {1, {0x1041d }}},
+ { 0x10446, {1, {0x1041e }}},
+ { 0x10447, {1, {0x1041f }}},
+ { 0x10448, {1, {0x10420 }}},
+ { 0x10449, {1, {0x10421 }}},
+ { 0x1044a, {1, {0x10422 }}},
+ { 0x1044b, {1, {0x10423 }}},
+ { 0x1044c, {1, {0x10424 }}},
+ { 0x1044d, {1, {0x10425 }}},
+ { 0x1044e, {1, {0x10426 }}},
+ { 0x1044f, {1, {0x10427 }}}
+};
+
+static const CaseUnfold_11_Type CaseUnfold_11_Locale[] = {
+ { 0x0069, {1, {0x0049 }}}
+};
+
+static const CaseUnfold_12_Type CaseUnfold_12[] = {
+ { {0x0061, 0x02be}, {1, {0x1e9a }}},
+ { {0x0066, 0x0066}, {1, {0xfb00 }}},
+ { {0x0066, 0x0069}, {1, {0xfb01 }}},
+ { {0x0066, 0x006c}, {1, {0xfb02 }}},
+ { {0x0068, 0x0331}, {1, {0x1e96 }}},
+ { {0x006a, 0x030c}, {1, {0x01f0 }}},
+ { {0x0073, 0x0073}, {1, {0x00df }}},
+ { {0x0073, 0x0074}, {2, {0xfb05, 0xfb06 }}},
+ { {0x0074, 0x0308}, {1, {0x1e97 }}},
+ { {0x0077, 0x030a}, {1, {0x1e98 }}},
+ { {0x0079, 0x030a}, {1, {0x1e99 }}},
+ { {0x02bc, 0x006e}, {1, {0x0149 }}},
+ { {0x03ac, 0x03b9}, {1, {0x1fb4 }}},
+ { {0x03ae, 0x03b9}, {1, {0x1fc4 }}},
+ { {0x03b1, 0x0342}, {1, {0x1fb6 }}},
+ { {0x03b1, 0x03b9}, {2, {0x1fb3, 0x1fbc }}},
+ { {0x03b7, 0x0342}, {1, {0x1fc6 }}},
+ { {0x03b7, 0x03b9}, {2, {0x1fc3, 0x1fcc }}},
+ { {0x03b9, 0x0342}, {1, {0x1fd6 }}},
+ { {0x03c1, 0x0313}, {1, {0x1fe4 }}},
+ { {0x03c5, 0x0313}, {1, {0x1f50 }}},
+ { {0x03c5, 0x0342}, {1, {0x1fe6 }}},
+ { {0x03c9, 0x0342}, {1, {0x1ff6 }}},
+ { {0x03c9, 0x03b9}, {2, {0x1ff3, 0x1ffc }}},
+ { {0x03ce, 0x03b9}, {1, {0x1ff4 }}},
+ { {0x0565, 0x0582}, {1, {0x0587 }}},
+ { {0x0574, 0x0565}, {1, {0xfb14 }}},
+ { {0x0574, 0x056b}, {1, {0xfb15 }}},
+ { {0x0574, 0x056d}, {1, {0xfb17 }}},
+ { {0x0574, 0x0576}, {1, {0xfb13 }}},
+ { {0x057e, 0x0576}, {1, {0xfb16 }}},
+ { {0x1f00, 0x03b9}, {2, {0x1f88, 0x1f80 }}},
+ { {0x1f01, 0x03b9}, {2, {0x1f81, 0x1f89 }}},
+ { {0x1f02, 0x03b9}, {2, {0x1f82, 0x1f8a }}},
+ { {0x1f03, 0x03b9}, {2, {0x1f83, 0x1f8b }}},
+ { {0x1f04, 0x03b9}, {2, {0x1f84, 0x1f8c }}},
+ { {0x1f05, 0x03b9}, {2, {0x1f85, 0x1f8d }}},
+ { {0x1f06, 0x03b9}, {2, {0x1f86, 0x1f8e }}},
+ { {0x1f07, 0x03b9}, {2, {0x1f87, 0x1f8f }}},
+ { {0x1f20, 0x03b9}, {2, {0x1f90, 0x1f98 }}},
+ { {0x1f21, 0x03b9}, {2, {0x1f91, 0x1f99 }}},
+ { {0x1f22, 0x03b9}, {2, {0x1f92, 0x1f9a }}},
+ { {0x1f23, 0x03b9}, {2, {0x1f93, 0x1f9b }}},
+ { {0x1f24, 0x03b9}, {2, {0x1f94, 0x1f9c }}},
+ { {0x1f25, 0x03b9}, {2, {0x1f95, 0x1f9d }}},
+ { {0x1f26, 0x03b9}, {2, {0x1f96, 0x1f9e }}},
+ { {0x1f27, 0x03b9}, {2, {0x1f97, 0x1f9f }}},
+ { {0x1f60, 0x03b9}, {2, {0x1fa0, 0x1fa8 }}},
+ { {0x1f61, 0x03b9}, {2, {0x1fa1, 0x1fa9 }}},
+ { {0x1f62, 0x03b9}, {2, {0x1fa2, 0x1faa }}},
+ { {0x1f63, 0x03b9}, {2, {0x1fa3, 0x1fab }}},
+ { {0x1f64, 0x03b9}, {2, {0x1fa4, 0x1fac }}},
+ { {0x1f65, 0x03b9}, {2, {0x1fa5, 0x1fad }}},
+ { {0x1f66, 0x03b9}, {2, {0x1fa6, 0x1fae }}},
+ { {0x1f67, 0x03b9}, {2, {0x1fa7, 0x1faf }}},
+ { {0x1f70, 0x03b9}, {1, {0x1fb2 }}},
+ { {0x1f74, 0x03b9}, {1, {0x1fc2 }}},
+ { {0x1f7c, 0x03b9}, {1, {0x1ff2 }}}
+};
+
+static const CaseUnfold_12_Type CaseUnfold_12_Locale[] = {
+ { {0x0069, 0x0307}, {1, {0x0130 }}}
+};
+
+static const CaseUnfold_13_Type CaseUnfold_13[] = {
+ { {0x0066, 0x0066, 0x0069}, {1, {0xfb03 }}},
+ { {0x0066, 0x0066, 0x006c}, {1, {0xfb04 }}},
+ { {0x03b1, 0x0342, 0x03b9}, {1, {0x1fb7 }}},
+ { {0x03b7, 0x0342, 0x03b9}, {1, {0x1fc7 }}},
+ { {0x03b9, 0x0308, 0x0300}, {1, {0x1fd2 }}},
+ { {0x03b9, 0x0308, 0x0301}, {2, {0x0390, 0x1fd3 }}},
+ { {0x03b9, 0x0308, 0x0342}, {1, {0x1fd7 }}},
+ { {0x03c5, 0x0308, 0x0300}, {1, {0x1fe2 }}},
+ { {0x03c5, 0x0308, 0x0301}, {2, {0x03b0, 0x1fe3 }}},
+ { {0x03c5, 0x0308, 0x0342}, {1, {0x1fe7 }}},
+ { {0x03c5, 0x0313, 0x0300}, {1, {0x1f52 }}},
+ { {0x03c5, 0x0313, 0x0301}, {1, {0x1f54 }}},
+ { {0x03c5, 0x0313, 0x0342}, {1, {0x1f56 }}},
+ { {0x03c9, 0x0342, 0x03b9}, {1, {0x1ff7 }}}
+};
+
+
+static PosixBracketEntryType HashEntryData[] = {
+  { (UChar* )"NEWLINE",                0,  7 },
+  { (UChar* )"Alpha",                  1,  5 },
+  { (UChar* )"Blank",                  2,  5 },
+  { (UChar* )"Cntrl",                  3,  5 },
+  { (UChar* )"Digit",                  4,  5 },
+  { (UChar* )"Graph",                  5,  5 },
+  { (UChar* )"Lower",                  6,  5 },
+  { (UChar* )"Print",                  7,  5 },
+  { (UChar* )"Punct",                  8,  5 },
+  { (UChar* )"Space",                  9,  5 },
+  { (UChar* )"Upper",                 10,  5 },
+  { (UChar* )"XDigit",                11,  6 },
+  { (UChar* )"Word",                  12,  4 },
+  { (UChar* )"Alnum",                 13,  5 },
+  { (UChar* )"ASCII",                 14,  5 },
+
+#ifdef USE_UNICODE_PROPERTIES
+  { (UChar* )"Any",                   15,  3 },
+  { (UChar* )"Assigned",              16,  8 },
+  { (UChar* )"C",                     17,  1 },
+  { (UChar* )"Cc",                    18,  2 },
+  { (UChar* )"Cf",                    19,  2 },
+  { (UChar* )"Cn",                    20,  2 },
+  { (UChar* )"Co",                    21,  2 },
+  { (UChar* )"Cs",                    22,  2 },
+  { (UChar* )"L",                     23,  1 },
+  { (UChar* )"Ll",                    24,  2 },
+  { (UChar* )"Lm",                    25,  2 },
+  { (UChar* )"Lo",                    26,  2 },
+  { (UChar* )"Lt",                    27,  2 },
+  { (UChar* )"Lu",                    28,  2 },
+  { (UChar* )"M",                     29,  1 },
+  { (UChar* )"Mc",                    30,  2 },
+  { (UChar* )"Me",                    31,  2 },
+  { (UChar* )"Mn",                    32,  2 },
+  { (UChar* )"N",                     33,  1 },
+  { (UChar* )"Nd",                    34,  2 },
+  { (UChar* )"Nl",                    35,  2 },
+  { (UChar* )"No",                    36,  2 },
+  { (UChar* )"P",                     37,  1 },
+  { (UChar* )"Pc",                    38,  2 },
+  { (UChar* )"Pd",                    39,  2 },
+  { (UChar* )"Pe",                    40,  2 },
+  { (UChar* )"Pf",                    41,  2 },
+  { (UChar* )"Pi",                    42,  2 },
+  { (UChar* )"Po",                    43,  2 },
+  { (UChar* )"Ps",                    44,  2 },
+  { (UChar* )"S",                     45,  1 },
+  { (UChar* )"Sc",                    46,  2 },
+  { (UChar* )"Sk",                    47,  2 },
+  { (UChar* )"Sm",                    48,  2 },
+  { (UChar* )"So",                    49,  2 },
+  { (UChar* )"Z",                     50,  1 },
+  { (UChar* )"Zl",                    51,  2 },
+  { (UChar* )"Zp",                    52,  2 },
+  { (UChar* )"Zs",                    53,  2 },
+  { (UChar* )"Arabic",                54,  6 },
+  { (UChar* )"Armenian",              55,  8 },
+  { (UChar* )"Bengali",               56,  7 },
+  { (UChar* )"Bopomofo",              57,  8 },
+  { (UChar* )"Braille",               58,  7 },
+  { (UChar* )"Buginese",              59,  8 },
+  { (UChar* )"Buhid",                 60,  5 },
+  { (UChar* )"Canadian_Aboriginal",   61, 19 },
+  { (UChar* )"Cherokee",              62,  8 },
+  { (UChar* )"Common",                63,  6 },
+  { (UChar* )"Coptic",                64,  6 },
+  { (UChar* )"Cypriot",               65,  7 },
+  { (UChar* )"Cyrillic",              66,  8 },
+  { (UChar* )"Deseret",               67,  7 },
+  { (UChar* )"Devanagari",            68, 10 },
+  { (UChar* )"Ethiopic",              69,  8 },
+  { (UChar* )"Georgian",              70,  8 },
+  { (UChar* )"Glagolitic",            71, 10 },
+  { (UChar* )"Gothic",                72,  6 },
+  { (UChar* )"Greek",                 73,  5 },
+  { (UChar* )"Gujarati",              74,  8 },
+  { (UChar* )"Gurmukhi",              75,  8 },
+  { (UChar* )"Han",                   76,  3 },
+  { (UChar* )"Hangul",                77,  6 },
+  { (UChar* )"Hanunoo",               78,  7 },
+  { (UChar* )"Hebrew",                79,  6 },
+  { (UChar* )"Hiragana",              80,  8 },
+  { (UChar* )"Inherited",             81,  9 },
+  { (UChar* )"Kannada",               82,  7 },
+  { (UChar* )"Katakana",              83,  8 },
+  { (UChar* )"Kharoshthi",            84, 10 },
+  { (UChar* )"Khmer",                 85,  5 },
+  { (UChar* )"Lao",                   86,  3 },
+  { (UChar* )"Latin",                 87,  5 },
+  { (UChar* )"Limbu",                 88,  5 },
+  { (UChar* )"Linear_B",              89,  8 },
+  { (UChar* )"Malayalam",             90,  9 },
+  { (UChar* )"Mongolian",             91,  9 },
+  { (UChar* )"Myanmar",               92,  7 },
+  { (UChar* )"New_Tai_Lue",           93, 11 },
+  { (UChar* )"Ogham",                 94,  5 },
+  { (UChar* )"Old_Italic",            95, 10 },
+  { (UChar* )"Old_Persian",           96, 11 },
+  { (UChar* )"Oriya",                 97,  5 },
+  { (UChar* )"Osmanya",               98,  7 },
+  { (UChar* )"Runic",                 99,  5 },
+  { (UChar* )"Shavian",              100,  7 },
+  { (UChar* )"Sinhala",              101,  7 },
+  { (UChar* )"Syloti_Nagri",         102, 12 },
+  { (UChar* )"Syriac",               103,  6 },
+  { (UChar* )"Tagalog",              104,  7 },
+  { (UChar* )"Tagbanwa",             105,  8 },
+  { (UChar* )"Tai_Le",               106,  6 },
+  { (UChar* )"Tamil",                107,  5 },
+  { (UChar* )"Telugu",               108,  6 },
+  { (UChar* )"Thaana",               109,  6 },
+  { (UChar* )"Thai",                 110,  4 },
+  { (UChar* )"Tibetan",              111,  7 },
+  { (UChar* )"Tifinagh",             112,  8 },
+  { (UChar* )"Ugaritic",             113,  8 },
+  { (UChar* )"Yi",                   114,  2 },
+#endif /* USE_UNICODE_PROPERTIES */
+  { (UChar* )NULL,                    -1,  0 }
+};
+
+#ifdef USE_UNICODE_PROPERTIES
+#define CODE_RANGES_NUM     115
+#else
+#define CODE_RANGES_NUM      15
+#endif
+
+static const OnigCodePoint* CodeRanges[CODE_RANGES_NUM];
+static int CodeRangeTableInited = 0;
+
+static void init_code_range_array(void) {
+  THREAD_ATOMIC_START;
+
+  CodeRanges[0] = CR_NEWLINE;
+  CodeRanges[1] = CR_Alpha;
+  CodeRanges[2] = CR_Blank;
+  CodeRanges[3] = CR_Cntrl;
+  CodeRanges[4] = CR_Digit;
+  CodeRanges[5] = CR_Graph;
+  CodeRanges[6] = CR_Lower;
+  CodeRanges[7] = CR_Print;
+  CodeRanges[8] = CR_Punct;
+  CodeRanges[9] = CR_Space;
+  CodeRanges[10] = CR_Upper;
+  CodeRanges[11] = CR_XDigit;
+  CodeRanges[12] = CR_Word;
+  CodeRanges[13] = CR_Alnum;
+  CodeRanges[14] = CR_ASCII;
+
+#ifdef USE_UNICODE_PROPERTIES
+  CodeRanges[15] = CR_Any;
+  CodeRanges[16] = CR_Assigned;
+  CodeRanges[17] = CR_C;
+  CodeRanges[18] = CR_Cc;
+  CodeRanges[19] = CR_Cf;
+  CodeRanges[20] = CR_Cn;
+  CodeRanges[21] = CR_Co;
+  CodeRanges[22] = CR_Cs;
+  CodeRanges[23] = CR_L;
+  CodeRanges[24] = CR_Ll;
+  CodeRanges[25] = CR_Lm;
+  CodeRanges[26] = CR_Lo;
+  CodeRanges[27] = CR_Lt;
+  CodeRanges[28] = CR_Lu;
+  CodeRanges[29] = CR_M;
+  CodeRanges[30] = CR_Mc;
+  CodeRanges[31] = CR_Me;
+  CodeRanges[32] = CR_Mn;
+  CodeRanges[33] = CR_N;
+  CodeRanges[34] = CR_Nd;
+  CodeRanges[35] = CR_Nl;
+  CodeRanges[36] = CR_No;
+  CodeRanges[37] = CR_P;
+  CodeRanges[38] = CR_Pc;
+  CodeRanges[39] = CR_Pd;
+  CodeRanges[40] = CR_Pe;
+  CodeRanges[41] = CR_Pf;
+  CodeRanges[42] = CR_Pi;
+  CodeRanges[43] = CR_Po;
+  CodeRanges[44] = CR_Ps;
+  CodeRanges[45] = CR_S;
+  CodeRanges[46] = CR_Sc;
+  CodeRanges[47] = CR_Sk;
+  CodeRanges[48] = CR_Sm;
+  CodeRanges[49] = CR_So;
+  CodeRanges[50] = CR_Z;
+  CodeRanges[51] = CR_Zl;
+  CodeRanges[52] = CR_Zp;
+  CodeRanges[53] = CR_Zs;
+  CodeRanges[54] = CR_Arabic;
+  CodeRanges[55] = CR_Armenian;
+  CodeRanges[56] = CR_Bengali;
+  CodeRanges[57] = CR_Bopomofo;
+  CodeRanges[58] = CR_Braille;
+  CodeRanges[59] = CR_Buginese;
+  CodeRanges[60] = CR_Buhid;
+  CodeRanges[61] = CR_Canadian_Aboriginal;
+  CodeRanges[62] = CR_Cherokee;
+  CodeRanges[63] = CR_Common;
+  CodeRanges[64] = CR_Coptic;
+  CodeRanges[65] = CR_Cypriot;
+  CodeRanges[66] = CR_Cyrillic;
+  CodeRanges[67] = CR_Deseret;
+  CodeRanges[68] = CR_Devanagari;
+  CodeRanges[69] = CR_Ethiopic;
+  CodeRanges[70] = CR_Georgian;
+  CodeRanges[71] = CR_Glagolitic;
+  CodeRanges[72] = CR_Gothic;
+  CodeRanges[73] = CR_Greek;
+  CodeRanges[74] = CR_Gujarati;
+  CodeRanges[75] = CR_Gurmukhi;
+  CodeRanges[76] = CR_Han;
+  CodeRanges[77] = CR_Hangul;
+  CodeRanges[78] = CR_Hanunoo;
+  CodeRanges[79] = CR_Hebrew;
+  CodeRanges[80] = CR_Hiragana;
+  CodeRanges[81] = CR_Inherited;
+  CodeRanges[82] = CR_Kannada;
+  CodeRanges[83] = CR_Katakana;
+  CodeRanges[84] = CR_Kharoshthi;
+  CodeRanges[85] = CR_Khmer;
+  CodeRanges[86] = CR_Lao;
+  CodeRanges[87] = CR_Latin;
+  CodeRanges[88] = CR_Limbu;
+  CodeRanges[89] = CR_Linear_B;
+  CodeRanges[90] = CR_Malayalam;
+  CodeRanges[91] = CR_Mongolian;
+  CodeRanges[92] = CR_Myanmar;
+  CodeRanges[93] = CR_New_Tai_Lue;
+  CodeRanges[94] = CR_Ogham;
+  CodeRanges[95] = CR_Old_Italic;
+  CodeRanges[96] = CR_Old_Persian;
+  CodeRanges[97] = CR_Oriya;
+  CodeRanges[98] = CR_Osmanya;
+  CodeRanges[99] = CR_Runic;
+  CodeRanges[100] = CR_Shavian;
+  CodeRanges[101] = CR_Sinhala;
+  CodeRanges[102] = CR_Syloti_Nagri;
+  CodeRanges[103] = CR_Syriac;
+  CodeRanges[104] = CR_Tagalog;
+  CodeRanges[105] = CR_Tagbanwa;
+  CodeRanges[106] = CR_Tai_Le;
+  CodeRanges[107] = CR_Tamil;
+  CodeRanges[108] = CR_Telugu;
+  CodeRanges[109] = CR_Thaana;
+  CodeRanges[110] = CR_Thai;
+  CodeRanges[111] = CR_Tibetan;
+  CodeRanges[112] = CR_Tifinagh;
+  CodeRanges[113] = CR_Ugaritic;
+  CodeRanges[114] = CR_Yi;
+#endif /* USE_UNICODE_PROPERTIES */
+
+  CodeRangeTableInited = 1;
+  THREAD_ATOMIC_END;
+}
+
+extern int
+onigenc_unicode_is_code_ctype(OnigCodePoint code, unsigned int ctype)
+{
+  if (
+#ifdef USE_UNICODE_PROPERTIES
+      ctype <= ONIGENC_MAX_STD_CTYPE &&
+#endif
+      code < 256) {
+    return ONIGENC_IS_UNICODE_ISO_8859_1_CTYPE(code, ctype);
+  }
+
+  if (ctype >= CODE_RANGES_NUM) {
+    return ONIGERR_TYPE_BUG;
+  }
+
+  if (CodeRangeTableInited == 0) init_code_range_array();
+
+  return onig_is_in_code_range((UChar* )CodeRanges[ctype], code);
+}
+
+
+extern int
+onigenc_unicode_ctype_code_range(int ctype, const OnigCodePoint* ranges[])
+{
+  if (ctype >= CODE_RANGES_NUM) {
+    return ONIGERR_TYPE_BUG;
+  }
+
+  if (CodeRangeTableInited == 0) init_code_range_array();
+
+  *ranges = CodeRanges[ctype];
+
+  return 0;
+}
+
+extern int
+onigenc_utf16_32_get_ctype_code_range(OnigCtype ctype, OnigCodePoint* sb_out,
+                                      const OnigCodePoint* ranges[])
+{
+  *sb_out = 0x00;
+  return onigenc_unicode_ctype_code_range(ctype, ranges);
+}
+
+#include "st.h"
+
+#define PROPERTY_NAME_MAX_SIZE    20
+
+static st_table* NameCtypeTable;
+static int NameTableInited = 0;
+
+static int init_name_ctype_table(void)
+{
+  PosixBracketEntryType *pb;
+
+  THREAD_ATOMIC_START;
+
+  NameCtypeTable = onig_st_init_strend_table_with_size(100);
+  if (ONIG_IS_NULL(NameCtypeTable)) return ONIGERR_MEMORY;
+
+  for (pb = HashEntryData; ONIG_IS_NOT_NULL(pb->name); pb++) {
+    onig_st_insert_strend(NameCtypeTable, pb->name, pb->name + pb->len,
+			  (st_data_t )pb->ctype);
+  }
+
+  NameTableInited = 1;
+  THREAD_ATOMIC_END;
+  return 0;
+}
+
+extern int
+onigenc_unicode_property_name_to_ctype(OnigEncoding enc, UChar* name, UChar* end)
+{
+  int len;
+  hash_data_type ctype;
+  UChar buf[PROPERTY_NAME_MAX_SIZE];
+  UChar *p;
+  OnigCodePoint code;
+
+  p = name;
+  len = 0;
+  while (p < end) {
+    code = ONIGENC_MBC_TO_CODE(enc, p, end);
+    if (code >= 0x80)
+      return ONIGERR_INVALID_CHAR_PROPERTY_NAME;
+
+    buf[len++] = (UChar )code;
+    if (len >= PROPERTY_NAME_MAX_SIZE)
+      return ONIGERR_INVALID_CHAR_PROPERTY_NAME;
+
+    p += enclen(enc, p);
+  }
+
+  buf[len] = 0;
+
+  if (NameTableInited == 0)  init_name_ctype_table();
+
+  if (onig_st_lookup_strend(NameCtypeTable, buf, buf + len, &ctype) == 0) {
+    return ONIGERR_INVALID_CHAR_PROPERTY_NAME;
+  }
+
+  return (int )ctype;
+}
+
+
+static int
+code2_cmp(OnigCodePoint* x, OnigCodePoint* y)
+{
+  if (x[0] == y[0] && x[1] == y[1]) return 0;
+  return 1;
+}
+
+static int
+code2_hash(OnigCodePoint* x)
+{
+  return (int )(x[0] + x[1]);
+}
+
+static struct st_hash_type type_code2_hash = {
+  code2_cmp,
+  code2_hash,
+};
+
+static int
+code3_cmp(OnigCodePoint* x, OnigCodePoint* y)
+{
+  if (x[0] == y[0] && x[1] == y[1] && x[2] == y[2]) return 0;
+  return 1;
+}
+
+static int
+code3_hash(OnigCodePoint* x)
+{
+  return (int )(x[0] + x[1] + x[2]);
+}
+
+static struct st_hash_type type_code3_hash = {
+  code3_cmp,
+  code3_hash,
+};
+
+
+static st_table* FoldTable;    /* fold-1, fold-2, fold-3 */
+static st_table* Unfold1Table;
+static st_table* Unfold2Table;
+static st_table* Unfold3Table;
+static int CaseFoldInited = 0;
+
+
+extern void onigenc_end_unicode(void)
+{
+  THREAD_ATOMIC_START;
+
+  if (FoldTable    != 0) st_free_table(FoldTable);
+  if (Unfold1Table != 0) st_free_table(Unfold1Table);
+  if (Unfold2Table != 0) st_free_table(Unfold2Table);
+  if (Unfold3Table != 0) st_free_table(Unfold3Table);
+
+  CaseFoldInited = 0;
+
+  THREAD_ATOMIC_END;
+}
+
+static int init_case_fold_table(void)
+{
+  const CaseFold_11_Type   *p;
+  const CaseUnfold_11_Type *p1;
+  const CaseUnfold_12_Type *p2;
+  const CaseUnfold_13_Type *p3;
+  int i;
+
+  THREAD_ATOMIC_START;
+
+  FoldTable = st_init_numtable_with_size(1200);
+  if (ONIG_IS_NULL(FoldTable)) return ONIGERR_MEMORY;
+  for (i = 0; i < (int )(sizeof(CaseFold)/sizeof(CaseFold_11_Type)); i++) {
+    p = &CaseFold[i];
+    st_add_direct(FoldTable, (st_data_t )p->from, (st_data_t )&(p->to));
+  }
+  for (i = 0; i < (int )(sizeof(CaseFold_Locale)/sizeof(CaseFold_11_Type));
+       i++) {
+    p = &CaseFold_Locale[i];
+    st_add_direct(FoldTable, (st_data_t )p->from, (st_data_t )&(p->to));
+  }
+
+  Unfold1Table = st_init_numtable_with_size(1000);
+  if (ONIG_IS_NULL(Unfold1Table)) return ONIGERR_MEMORY;
+
+  for (i = 0; i < (int )(sizeof(CaseUnfold_11)/sizeof(CaseUnfold_11_Type));
+       i++) {
+    p1 = &CaseUnfold_11[i];
+    st_add_direct(Unfold1Table, (st_data_t )p1->from, (st_data_t )&(p1->to));
+  }
+  for (i = 0;
+       i < (int )(sizeof(CaseUnfold_11_Locale)/sizeof(CaseUnfold_11_Type));
+       i++) {
+    p1 = &CaseUnfold_11_Locale[i];
+    st_add_direct(Unfold1Table, (st_data_t )p1->from, (st_data_t )&(p1->to));
+  }
+
+  Unfold2Table = st_init_table_with_size(&type_code2_hash, 200);
+  if (ONIG_IS_NULL(Unfold2Table)) return ONIGERR_MEMORY;
+
+  for (i = 0; i < (int )(sizeof(CaseUnfold_12)/sizeof(CaseUnfold_12_Type));
+       i++) {
+    p2 = &CaseUnfold_12[i];
+    st_add_direct(Unfold2Table, (st_data_t )p2->from, (st_data_t )(&p2->to));
+  }
+  for (i = 0;
+       i < (int )(sizeof(CaseUnfold_12_Locale)/sizeof(CaseUnfold_12_Type));
+       i++) {
+    p2 = &CaseUnfold_12_Locale[i];
+    st_add_direct(Unfold2Table, (st_data_t )p2->from, (st_data_t )(&p2->to));
+  }
+
+  Unfold3Table = st_init_table_with_size(&type_code3_hash, 30);
+  if (ONIG_IS_NULL(Unfold3Table)) return ONIGERR_MEMORY;
+
+  for (i = 0; i < (int )(sizeof(CaseUnfold_13)/sizeof(CaseUnfold_13_Type));
+       i++) {
+    p3 = &CaseUnfold_13[i];
+    st_add_direct(Unfold3Table, (st_data_t )p3->from, (st_data_t )(&p3->to));
+  }
+
+
+  onig_add_end_call(onigenc_end_unicode);
+
+  CaseFoldInited = 1;
+  THREAD_ATOMIC_END;
+  return 0;
+}
+
+extern int
+onigenc_unicode_mbc_case_fold(OnigEncoding enc,
+    OnigCaseFoldType flag ARG_UNUSED, const UChar** pp, const UChar* end,
+    UChar* fold)
+{
+  CodePointList3 *to;
+  OnigCodePoint code;
+  int i, len, rlen;
+  const UChar *p = *pp;
+
+  if (CaseFoldInited == 0) init_case_fold_table();
+
+  code = ONIGENC_MBC_TO_CODE(enc, p, end);
+  len = enclen(enc, p);
+  *pp += len;
+
+#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
+  if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
+    if (code == 0x0049) {
+      return ONIGENC_CODE_TO_MBC(enc, 0x0131, fold);
+    }
+    else if (code == 0x0130) {
+      return ONIGENC_CODE_TO_MBC(enc, 0x0069, fold);
+    }
+  }
+#endif
+
+  if (onig_st_lookup(FoldTable, (st_data_t )code, (void* )&to) != 0) {
+    if (to->n == 1) {
+      return ONIGENC_CODE_TO_MBC(enc, to->code[0], fold);      
+    }
+#if 0
+    /* NO NEEDS TO CHECK */
+    else if ((flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+#else
+    else {
+#endif
+      rlen = 0;
+      for (i = 0; i < to->n; i++) {
+	len = ONIGENC_CODE_TO_MBC(enc, to->code[i], fold);
+	fold += len;
+	rlen += len;
+      }
+      return rlen;
+    }
+  }
+
+  for (i = 0; i < len; i++) {
+    *fold++ = *p++;
+  }
+  return len;
+}
+
+extern int
+onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag,
+				    OnigApplyAllCaseFoldFunc f, void* arg)
+{
+  const CaseUnfold_11_Type* p11;
+  OnigCodePoint code;
+  int i, j, k, r;
+
+  /* if (CaseFoldInited == 0) init_case_fold_table(); */
+
+  for (i = 0; i < (int )(sizeof(CaseUnfold_11)/sizeof(CaseUnfold_11_Type));
+       i++) {
+    p11 = &CaseUnfold_11[i];
+    for (j = 0; j < p11->to.n; j++) {
+      code = p11->from;
+      r = (*f)(p11->to.code[j], &code, 1, arg);
+      if (r != 0) return r;
+
+      code = p11->to.code[j];
+      r = (*f)(p11->from, &code, 1, arg);
+      if (r != 0) return r;
+
+      for (k = 0; k < j; k++) {
+	r = (*f)(p11->to.code[j], (OnigCodePoint* )(&p11->to.code[k]), 1, arg);
+	if (r != 0) return r;
+
+	r = (*f)(p11->to.code[k], (OnigCodePoint* )(&p11->to.code[j]), 1, arg);
+	if (r != 0) return r;
+      }
+    }
+  }
+
+#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
+  if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
+    code = 0x0131;
+    r = (*f)(0x0049, &code, 1, arg);
+    if (r != 0) return r;
+    code = 0x0049;
+    r = (*f)(0x0131, &code, 1, arg);
+    if (r != 0) return r;
+
+    code = 0x0130;
+    r = (*f)(0x0069, &code, 1, arg);
+    if (r != 0) return r;
+    code = 0x0069;
+    r = (*f)(0x0130, &code, 1, arg);
+    if (r != 0) return r;
+  }
+  else {
+#endif
+    for (i = 0;
+	 i < (int )(sizeof(CaseUnfold_11_Locale)/sizeof(CaseUnfold_11_Type));
+	 i++) {
+      p11 = &CaseUnfold_11_Locale[i];
+      for (j = 0; j < p11->to.n; j++) {
+	code = p11->from;
+	r = (*f)(p11->to.code[j], &code, 1, arg);
+	if (r != 0) return r;
+
+	code = p11->to.code[j];
+	r = (*f)(p11->from, &code, 1, arg);
+	if (r != 0) return r;
+
+	for (k = 0; k < j; k++) {
+	  r = (*f)(p11->to.code[j], (OnigCodePoint* )(&p11->to.code[k]),
+		   1, arg);
+	  if (r != 0) return r;
+
+	  r = (*f)(p11->to.code[k], (OnigCodePoint* )(&p11->to.code[j]),
+		   1, arg);
+	  if (r != 0) return r;
+	}
+      }
+    }
+#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
+  }
+#endif
+
+  if ((flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+    for (i = 0; i < (int )(sizeof(CaseUnfold_12)/sizeof(CaseUnfold_12_Type));
+	 i++) {
+      for (j = 0; j < CaseUnfold_12[i].to.n; j++) {
+	r = (*f)(CaseUnfold_12[i].to.code[j],
+		 (OnigCodePoint* )CaseUnfold_12[i].from, 2, arg);
+	if (r != 0) return r;	
+
+	for (k = 0; k < CaseUnfold_12[i].to.n; k++) {
+	  if (k == j) continue;
+
+	  r = (*f)(CaseUnfold_12[i].to.code[j],
+		   (OnigCodePoint* )(&CaseUnfold_12[i].to.code[k]), 1, arg);
+	  if (r != 0) return r;
+	}
+      }
+    }
+
+#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
+    if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) == 0) {
+#endif
+      for (i = 0;
+	   i < (int )(sizeof(CaseUnfold_12_Locale)/sizeof(CaseUnfold_12_Type));
+	   i++) {
+	for (j = 0; j < CaseUnfold_12_Locale[i].to.n; j++) {
+	  r = (*f)(CaseUnfold_12_Locale[i].to.code[j],
+		   (OnigCodePoint* )CaseUnfold_12_Locale[i].from, 2, arg);
+	  if (r != 0) return r;	
+
+	  for (k = 0; k < CaseUnfold_12_Locale[i].to.n; k++) {
+	    if (k == j) continue;
+
+	    r = (*f)(CaseUnfold_12_Locale[i].to.code[j],
+		     (OnigCodePoint* )(&CaseUnfold_12_Locale[i].to.code[k]),
+		     1, arg);
+	    if (r != 0) return r;
+	  }
+	}
+      }
+#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
+    }
+#endif
+
+    for (i = 0; i < (int )(sizeof(CaseUnfold_13)/sizeof(CaseUnfold_13_Type));
+	 i++) {
+      for (j = 0; j < CaseUnfold_13[i].to.n; j++) {
+	r = (*f)(CaseUnfold_13[i].to.code[j],
+		 (OnigCodePoint* )CaseUnfold_13[i].from, 3, arg);
+	if (r != 0) return r;	
+
+	for (k = 0; k < CaseUnfold_13[i].to.n; k++) {
+	  if (k == j) continue;
+
+	  r = (*f)(CaseUnfold_13[i].to.code[j],
+		   (OnigCodePoint* )(&CaseUnfold_13[i].to.code[k]), 1, arg);
+	  if (r != 0) return r;
+	}
+      }
+    }
+  }
+
+  return 0;
+}
+
+extern int
+onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc,
+    OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end,
+    OnigCaseFoldCodeItem items[])
+{
+  int n, i, j, k, len;
+  OnigCodePoint code, codes[3];
+  CodePointList3 *to, *z3;
+  CodePointList2 *z2;
+
+  if (CaseFoldInited == 0) init_case_fold_table();
+
+  n = 0;
+
+  code = ONIGENC_MBC_TO_CODE(enc, p, end);
+  len = enclen(enc, p);
+
+#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
+  if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
+    if (code == 0x0049) {
+      items[0].byte_len = len;
+      items[0].code_len = 1;
+      items[0].code[0]  = 0x0131;
+      return 1;
+    }
+    else if (code == 0x0130) {
+      items[0].byte_len = len;
+      items[0].code_len = 1;
+      items[0].code[0]  = 0x0069;
+      return 1;
+    }
+    else if (code == 0x0131) {
+      items[0].byte_len = len;
+      items[0].code_len = 1;
+      items[0].code[0]  = 0x0049;
+      return 1;
+    }
+    else if (code == 0x0069) {
+      items[0].byte_len = len;
+      items[0].code_len = 1;
+      items[0].code[0]  = 0x0130;
+      return 1;
+    }
+  }
+#endif
+
+  if (onig_st_lookup(FoldTable, (st_data_t )code, (void* )&to) != 0) {
+    if (to->n == 1) {
+      OnigCodePoint orig_code = code;
+
+      items[0].byte_len = len;
+      items[0].code_len = 1;
+      items[0].code[0]  = to->code[0];
+      n++;
+
+      code = to->code[0];
+      if (onig_st_lookup(Unfold1Table, (st_data_t )code, (void* )&to) != 0) {
+	for (i = 0; i < to->n; i++) {
+	  if (to->code[i] != orig_code) {
+	    items[n].byte_len = len;
+	    items[n].code_len = 1;
+	    items[n].code[0]  = to->code[i];
+	    n++;
+	  }
+	}
+      }
+    }
+    else if ((flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+      OnigCodePoint cs[3][4];
+      int fn, ncs[3];
+
+      for (fn = 0; fn < to->n; fn++) {
+	cs[fn][0] = to->code[fn];
+	if (onig_st_lookup(Unfold1Table, (st_data_t )cs[fn][0],
+			   (void* )&z3) != 0) {
+	  for (i = 0; i < z3->n; i++) {
+	    cs[fn][i+1] = z3->code[i];
+	  }
+	  ncs[fn] = z3->n + 1;
+	}
+	else
+	  ncs[fn] = 1;
+      }
+
+      if (fn == 2) {
+	for (i = 0; i < ncs[0]; i++) {
+	  for (j = 0; j < ncs[1]; j++) {
+	    items[n].byte_len = len;
+	    items[n].code_len = 2;
+	    items[n].code[0]  = cs[0][i];
+	    items[n].code[1]  = cs[1][j];
+	    n++;
+	  }
+	}
+
+	if (onig_st_lookup(Unfold2Table, (st_data_t )to->code,
+			   (void* )&z2) != 0) {
+	  for (i = 0; i < z2->n; i++) {
+	    if (z2->code[i] == code) continue;
+
+	    items[n].byte_len = len;
+	    items[n].code_len = 1;
+	    items[n].code[0]  = z2->code[i];
+	    n++;
+	  }
+	}
+      }
+      else {
+	for (i = 0; i < ncs[0]; i++) {
+	  for (j = 0; j < ncs[1]; j++) {
+	    for (k = 0; k < ncs[2]; k++) {
+	      items[n].byte_len = len;
+	      items[n].code_len = 3;
+	      items[n].code[0]  = cs[0][i];
+	      items[n].code[1]  = cs[1][j];
+	      items[n].code[2]  = cs[2][k];
+	      n++;
+	    }
+	  }
+	}
+
+	if (onig_st_lookup(Unfold3Table, (st_data_t )to->code,
+			   (void* )&z2) != 0) {
+	  for (i = 0; i < z2->n; i++) {
+	    if (z2->code[i] == code) continue;
+
+	    items[n].byte_len = len;
+	    items[n].code_len = 1;
+	    items[n].code[0]  = z2->code[i];
+	    n++;
+	  }
+	}
+      }
+
+      /* multi char folded code is not head of another folded multi char */
+      flag = 0; /* DISABLE_CASE_FOLD_MULTI_CHAR(flag); */
+    }
+  }
+  else {
+    if (onig_st_lookup(Unfold1Table, (st_data_t )code, (void* )&to) != 0) {
+      for (i = 0; i < to->n; i++) {
+	items[n].byte_len = len;
+	items[n].code_len = 1;
+	items[n].code[0]  = to->code[i];
+	n++;
+      }
+    }
+  }
+
+
+  if ((flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+    p += len;
+    if (p < end) {
+      int clen;
+
+      codes[0] = code;
+      code = ONIGENC_MBC_TO_CODE(enc, p, end);
+      if (onig_st_lookup(FoldTable, (st_data_t )code, (void* )&to) != 0
+	  && to->n == 1) {
+	codes[1] = to->code[0];
+      }
+      else
+	codes[1] = code;
+
+      clen = enclen(enc, p);
+      len += clen;
+      if (onig_st_lookup(Unfold2Table, (st_data_t )codes, (void* )&z2) != 0) {
+	for (i = 0; i < z2->n; i++) {
+	  items[n].byte_len = len;
+	  items[n].code_len = 1;
+	  items[n].code[0]  = z2->code[i];
+	  n++;
+	}
+      }
+
+      p += clen;
+      if (p < end) {
+	code = ONIGENC_MBC_TO_CODE(enc, p, end);
+	if (onig_st_lookup(FoldTable, (st_data_t )code, (void* )&to) != 0
+	    && to->n == 1) {
+	  codes[2] = to->code[0];
+	}
+	else
+	  codes[2] = code;
+
+	clen = enclen(enc, p);
+	len += clen;
+	if (onig_st_lookup(Unfold3Table, (st_data_t )codes,
+			   (void* )&z2) != 0) {
+	  for (i = 0; i < z2->n; i++) {
+	    items[n].byte_len = len;
+	    items[n].code_len = 1;
+	    items[n].code[0]  = z2->code[i];
+	    n++;
+	  }
+	}
+      }
+    }
+  }
+
+  return n;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/utf16_le.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/utf16_le.c
new file mode 100644
index 0000000000..b8685c4393
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/enc/utf16_le.c
@@ -0,0 +1,226 @@
+/**********************************************************************
+  utf16_le.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regenc.h"
+
+static const int EncLen_UTF16[] = {
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
+};
+
+static int
+utf16le_code_to_mbclen(OnigCodePoint code)
+{
+  return (code > 0xffff ? 4 : 2);
+}
+
+static int
+utf16le_mbc_enc_len(const UChar* p)
+{
+  return EncLen_UTF16[*(p+1)];
+}
+
+static int
+utf16le_is_mbc_newline(const UChar* p, const UChar* end)
+{
+  if (p + 1 < end) {
+    if (*p == 0x0a && *(p+1) == 0x00)
+      return 1;
+#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
+    if ((
+#ifndef USE_CRNL_AS_LINE_TERMINATOR
+	 *p == 0x0d ||
+#endif
+	 *p == 0x85) && *(p+1) == 0x00)
+      return 1;
+    if (*(p+1) == 0x20 && (*p == 0x29 || *p == 0x28))
+      return 1;
+#endif
+  }
+  return 0;
+}
+
+static OnigCodePoint
+utf16le_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED)
+{
+  OnigCodePoint code;
+  UChar c0 = *p;
+  UChar c1 = *(p+1);
+
+  if (UTF16_IS_SURROGATE_FIRST(c1)) {
+    code = ((((c1 - 0xd8) << 2) + ((c0  & 0xc0) >> 6) + 1) << 16)
+         + ((((c0 & 0x3f) << 2) + (p[3] - 0xdc)) << 8)
+         + p[2];
+  }
+  else {
+    code = c1 * 256 + p[0];
+  }
+  return code;
+}
+
+static int
+utf16le_code_to_mbc(OnigCodePoint code, UChar *buf)
+{
+  UChar* p = buf;
+
+  if (code > 0xffff) {
+    unsigned int plane, high;
+
+    plane = (code >> 16) - 1;
+    high = (code & 0xff00) >> 8;
+
+    *p++ = (UChar)(((plane & 0x03) << 6) + (high >> 2));
+    *p++ = (UChar)((plane >> 2) + 0xd8);
+    *p++ = (UChar )(code & 0xff);
+    *p   = (high & 0x03) + 0xdc;
+    return 4;
+  }
+  else {
+    *p++ = (UChar )(code & 0xff);
+    *p++ = (UChar )((code & 0xff00) >> 8);
+    return 2;
+  }
+}
+
+static int
+utf16le_mbc_case_fold(OnigCaseFoldType flag,
+		      const UChar** pp, const UChar* end, UChar* fold)
+{
+  const UChar* p = *pp;
+
+  if (ONIGENC_IS_ASCII_CODE(*p) && *(p+1) == 0) {
+#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
+    if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
+      if (*p == 0x49) {
+	*fold++ = 0x31;
+	*fold   = 0x01;
+	(*pp) += 2;
+	return 2;
+      }
+    }
+#endif
+
+    *fold++ = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
+    *fold   = 0;
+    *pp += 2;
+    return 2;
+  }
+  else
+    return onigenc_unicode_mbc_case_fold(ONIG_ENCODING_UTF16_LE, flag, pp, end,
+					 fold);
+}
+
+#if 0
+static int
+utf16le_is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp,
+			 const UChar* end)
+{
+  const UChar* p = *pp;
+
+  (*pp) += EncLen_UTF16[*(p+1)];
+
+  if (*(p+1) == 0) {
+    int c, v;
+
+    if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+      return TRUE;
+    }
+
+    c = *p;
+    v = ONIGENC_IS_UNICODE_ISO_8859_1_BIT_CTYPE(c,
+                       (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
+    if ((v | BIT_CTYPE_LOWER) != 0) {
+      /* 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
+      if (c >= 0xaa && c <= 0xba)
+	return FALSE;
+      else
+	return TRUE;
+    }
+    return (v != 0 ? TRUE : FALSE);
+  }
+
+  return FALSE;
+}
+#endif
+
+static UChar*
+utf16le_left_adjust_char_head(const UChar* start, const UChar* s)
+{
+  if (s <= start) return (UChar* )s;
+
+  if ((s - start) % 2 == 1) {
+    s--;
+  }
+
+  if (UTF16_IS_SURROGATE_SECOND(*(s+1)) && s > start + 1)
+    s -= 2;
+
+  return (UChar* )s;
+}
+
+static int
+utf16le_get_case_fold_codes_by_str(OnigCaseFoldType flag,
+    const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])
+{
+  return onigenc_unicode_get_case_fold_codes_by_str(ONIG_ENCODING_UTF16_LE,
+						    flag, p, end, items);
+}
+
+OnigEncodingType OnigEncodingUTF16_LE = {
+  utf16le_mbc_enc_len,
+  "UTF-16LE",   /* name */
+  4,            /* max byte length */
+  2,            /* min byte length */
+  utf16le_is_mbc_newline,
+  utf16le_mbc_to_code,
+  utf16le_code_to_mbclen,
+  utf16le_code_to_mbc,
+  utf16le_mbc_case_fold,
+  onigenc_unicode_apply_all_case_fold,
+  utf16le_get_case_fold_codes_by_str,
+  onigenc_unicode_property_name_to_ctype,
+  onigenc_unicode_is_code_ctype,
+  onigenc_utf16_32_get_ctype_code_range,
+  utf16le_left_adjust_char_head,
+  onigenc_always_false_is_allowed_reverse_match
+};
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/oniggnu.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/oniggnu.h
new file mode 100644
index 0000000000..7ec8e2e7f1
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/oniggnu.h
@@ -0,0 +1,85 @@
+#ifndef ONIGGNU_H
+#define ONIGGNU_H
+/**********************************************************************
+  oniggnu.h - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2005  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "oniguruma.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RE_MBCTYPE_ASCII         0
+#define RE_MBCTYPE_EUC           1
+#define RE_MBCTYPE_SJIS          2
+#define RE_MBCTYPE_UTF8          3
+
+/* GNU regex options */
+#ifndef RE_NREGS
+#define RE_NREGS                ONIG_NREGION
+#endif
+
+#define RE_OPTION_IGNORECASE         ONIG_OPTION_IGNORECASE
+#define RE_OPTION_EXTENDED           ONIG_OPTION_EXTEND
+#define RE_OPTION_MULTILINE          ONIG_OPTION_MULTILINE
+#define RE_OPTION_SINGLELINE         ONIG_OPTION_SINGLELINE
+#define RE_OPTION_LONGEST            ONIG_OPTION_FIND_LONGEST
+#define RE_OPTION_POSIXLINE         (RE_OPTION_MULTILINE|RE_OPTION_SINGLELINE)
+#define RE_OPTION_FIND_NOT_EMPTY     ONIG_OPTION_FIND_NOT_EMPTY
+#define RE_OPTION_NEGATE_SINGLELINE  ONIG_OPTION_NEGATE_SINGLELINE
+#define RE_OPTION_DONT_CAPTURE_GROUP ONIG_OPTION_DONT_CAPTURE_GROUP
+#define RE_OPTION_CAPTURE_GROUP      ONIG_OPTION_CAPTURE_GROUP
+
+
+ONIG_EXTERN
+void re_mbcinit P_((int));
+ONIG_EXTERN
+int re_compile_pattern P_((const char*, int, struct re_pattern_buffer*, char* err_buf));
+ONIG_EXTERN
+int re_recompile_pattern P_((const char*, int, struct re_pattern_buffer*, char* err_buf));
+ONIG_EXTERN
+void re_free_pattern P_((struct re_pattern_buffer*));
+ONIG_EXTERN
+int re_adjust_startpos P_((struct re_pattern_buffer*, const char*, int, int, int));
+ONIG_EXTERN
+int re_search P_((struct re_pattern_buffer*, const char*, int, int, int, struct re_registers*));
+ONIG_EXTERN
+int re_match P_((struct re_pattern_buffer*, const char *, int, int, struct re_registers*));
+ONIG_EXTERN
+void re_set_casetable P_((const char*));
+ONIG_EXTERN
+void re_free_registers P_((struct re_registers*));
+ONIG_EXTERN
+int re_alloc_pattern P_((struct re_pattern_buffer**));  /* added */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ONIGGNU_H */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/onigposix.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/onigposix.h
new file mode 100644
index 0000000000..7c2cad123b
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/onigposix.h
@@ -0,0 +1,169 @@
+#ifndef ONIGPOSIX_H
+#define ONIGPOSIX_H
+/**********************************************************************
+  onigposix.h - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2005  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include "OnigurumaUefiPort.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* options */
+#define REG_ICASE          (1<<0)
+#define REG_NEWLINE        (1<<1)
+#define REG_NOTBOL         (1<<2)
+#define REG_NOTEOL         (1<<3)
+#define REG_EXTENDED       (1<<4) /* if not setted, Basic Onigular Expression */
+#define REG_NOSUB          (1<<5)
+
+/* POSIX error codes */
+#define REG_NOMATCH          1
+#define REG_BADPAT           2
+#define REG_ECOLLATE         3
+#define REG_ECTYPE           4
+#define REG_EESCAPE          5
+#define REG_ESUBREG          6
+#define REG_EBRACK           7
+#define REG_EPAREN           8
+#define REG_EBRACE           9
+#define REG_BADBR           10
+#define REG_ERANGE          11
+#define REG_ESPACE          12
+#define REG_BADRPT          13
+
+/* extended error codes */
+#define REG_EONIG_INTERNAL  14
+#define REG_EONIG_BADWC     15
+#define REG_EONIG_BADARG    16
+#define REG_EONIG_THREAD    17
+
+/* character encodings (for reg_set_encoding()) */
+#define REG_POSIX_ENCODING_ASCII     0
+#define REG_POSIX_ENCODING_EUC_JP    1
+#define REG_POSIX_ENCODING_SJIS      2
+#define REG_POSIX_ENCODING_UTF8      3
+#define REG_POSIX_ENCODING_UTF16_BE  4
+#define REG_POSIX_ENCODING_UTF16_LE  5
+
+
+typedef int regoff_t;
+
+typedef struct {
+  regoff_t  rm_so;
+  regoff_t  rm_eo;
+} regmatch_t;
+
+/* POSIX regex_t */
+typedef struct {
+  void*   onig;          /* Oniguruma regex_t*  */
+  size_t  re_nsub;
+  int     comp_options;
+} regex_t;
+
+
+#ifndef P_
+#if defined(__STDC__) || defined(_WIN32)
+# define P_(args) args
+#else
+# define P_(args) ()
+#endif
+#endif
+
+#ifndef ONIG_EXTERN
+#if defined(_WIN32) && !defined(__GNUC__)
+#if defined(EXPORT)
+#define ONIG_EXTERN   extern __declspec(dllexport)
+#else
+#define ONIG_EXTERN   extern __declspec(dllimport)
+#endif
+#endif
+#endif
+
+#ifndef ONIG_EXTERN
+#define ONIG_EXTERN   extern
+#endif
+
+#ifndef ONIGURUMA_H
+typedef unsigned int        OnigOptionType;
+
+/* syntax */
+typedef struct {
+  unsigned int op;
+  unsigned int op2;
+  unsigned int behavior;
+  OnigOptionType options;    /* default option */
+} OnigSyntaxType;
+
+ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixBasic;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixExtended;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxEmacs;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxGrep;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxGnuRegex;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxJava;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxRuby;
+
+/* predefined syntaxes (see regsyntax.c) */
+#define ONIG_SYNTAX_POSIX_BASIC        (&OnigSyntaxPosixBasic)
+#define ONIG_SYNTAX_POSIX_EXTENDED     (&OnigSyntaxPosixExtended)
+#define ONIG_SYNTAX_EMACS              (&OnigSyntaxEmacs)
+#define ONIG_SYNTAX_GREP               (&OnigSyntaxGrep)
+#define ONIG_SYNTAX_GNU_REGEX          (&OnigSyntaxGnuRegex)
+#define ONIG_SYNTAX_JAVA               (&OnigSyntaxJava)
+#define ONIG_SYNTAX_PERL               (&OnigSyntaxPerl)
+#define ONIG_SYNTAX_RUBY               (&OnigSyntaxRuby)
+/* default syntax */
+#define ONIG_SYNTAX_DEFAULT             OnigDefaultSyntax
+
+ONIG_EXTERN OnigSyntaxType*  OnigDefaultSyntax;
+
+ONIG_EXTERN int  onig_set_default_syntax P_((OnigSyntaxType* syntax));
+ONIG_EXTERN void onig_copy_syntax P_((OnigSyntaxType* to, OnigSyntaxType* from));
+ONIG_EXTERN const char* onig_version P_((void));
+ONIG_EXTERN const char* onig_copyright P_((void));
+
+#endif /* ONIGURUMA_H */
+
+
+ONIG_EXTERN int    regcomp P_((regex_t* reg, const char* pat, int options));
+ONIG_EXTERN int    regexec P_((regex_t* reg, const char* str, size_t nmatch, regmatch_t* matches, int options));
+ONIG_EXTERN void   regfree P_((regex_t* reg));
+ONIG_EXTERN size_t regerror P_((int code, const regex_t* reg, char* buf, size_t size));
+
+/* extended API */
+ONIG_EXTERN void reg_set_encoding P_((int enc));
+ONIG_EXTERN int  reg_name_to_group_numbers P_((regex_t* reg, const unsigned char* name, const unsigned char* name_end, int** nums));
+ONIG_EXTERN int  reg_foreach_name P_((regex_t* reg, int (*func)(const unsigned char*, const unsigned char*,int,int*,regex_t*,void*), void* arg));
+ONIG_EXTERN int  reg_number_of_names P_((regex_t* reg));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ONIGPOSIX_H */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/oniguruma.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/oniguruma.h
new file mode 100644
index 0000000000..034a2ccff1
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/oniguruma.h
@@ -0,0 +1,829 @@
+#ifndef ONIGURUMA_H
+#define ONIGURUMA_H
+/**********************************************************************
+  oniguruma.h - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "OnigurumaUefiPort.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ONIGURUMA
+#define ONIGURUMA_VERSION_MAJOR   5
+#define ONIGURUMA_VERSION_MINOR   9
+#define ONIGURUMA_VERSION_TEENY   6
+
+#ifdef __cplusplus
+# ifndef  HAVE_PROTOTYPES
+#  define HAVE_PROTOTYPES 1
+# endif
+# ifndef  HAVE_STDARG_PROTOTYPES
+#  define HAVE_STDARG_PROTOTYPES 1
+# endif
+#endif
+
+/* escape Mac OS X/Xcode 2.4/gcc 4.0.1 problem */
+#if defined(__APPLE__) && defined(__GNUC__) && __GNUC__ >= 4
+# ifndef  HAVE_STDARG_PROTOTYPES
+#  define HAVE_STDARG_PROTOTYPES 1
+# endif
+#endif
+
+#ifdef HAVE_STDARG_H
+# ifndef  HAVE_STDARG_PROTOTYPES
+#  define HAVE_STDARG_PROTOTYPES 1
+# endif
+#endif
+
+#ifndef P_
+#if defined(__STDC__) || defined(_WIN32)
+# define P_(args) args
+#else
+# define P_(args) ()
+#endif
+#endif
+
+#ifndef PV_
+#ifdef HAVE_STDARG_PROTOTYPES
+# define PV_(args) args
+#else
+# define PV_(args) ()
+#endif
+#endif
+
+#ifndef ONIG_EXTERN
+#if defined(_WIN32) && !defined(__GNUC__)
+#if defined(EXPORT) || defined(RUBY_EXPORT)
+#define ONIG_EXTERN   extern __declspec(dllexport)
+#else
+#define ONIG_EXTERN   extern __declspec(dllimport)
+#endif
+#endif
+#endif
+
+#ifndef ONIG_EXTERN
+#define ONIG_EXTERN   extern
+#endif
+
+/* PART: character encoding */
+
+#ifndef ONIG_ESCAPE_UCHAR_COLLISION
+#define UChar OnigUChar
+#endif
+
+#ifdef _WIN32
+# include <windows.h>
+typedef ULONG_PTR OnigCodePoint;
+#else
+typedef unsigned long  OnigCodePoint;
+#endif
+typedef unsigned char  OnigUChar;
+typedef unsigned int   OnigCtype;
+typedef unsigned int   OnigDistance;
+
+#define ONIG_INFINITE_DISTANCE  ~((OnigDistance )0)
+
+typedef unsigned int OnigCaseFoldType; /* case fold flag */
+
+ONIG_EXTERN OnigCaseFoldType OnigDefaultCaseFoldFlag;
+
+/* #define ONIGENC_CASE_FOLD_HIRAGANA_KATAKANA  (1<<1) */
+/* #define ONIGENC_CASE_FOLD_KATAKANA_WIDTH     (1<<2) */
+#define ONIGENC_CASE_FOLD_TURKISH_AZERI         (1<<20)
+#define INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR   (1<<30)
+
+#define ONIGENC_CASE_FOLD_MIN      INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR
+#define ONIGENC_CASE_FOLD_DEFAULT  OnigDefaultCaseFoldFlag
+
+
+#define ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN       3
+#define ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM      13
+/* 13 => Unicode:0x1ffc */
+
+/* code range */
+#define ONIGENC_CODE_RANGE_NUM(range)     ((int )range[0])
+#define ONIGENC_CODE_RANGE_FROM(range,i)  range[((i)*2) + 1]
+#define ONIGENC_CODE_RANGE_TO(range,i)    range[((i)*2) + 2]
+
+typedef struct {
+  int byte_len;  /* argument(original) character(s) byte length */
+  int code_len;  /* number of code */
+  OnigCodePoint code[ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN];
+} OnigCaseFoldCodeItem;
+
+typedef struct {
+  OnigCodePoint esc;
+  OnigCodePoint anychar;
+  OnigCodePoint anytime;
+  OnigCodePoint zero_or_one_time;
+  OnigCodePoint one_or_more_time;
+  OnigCodePoint anychar_anytime;
+} OnigMetaCharTableType;
+  
+typedef int (*OnigApplyAllCaseFoldFunc)(OnigCodePoint from, OnigCodePoint* to, int to_len, void* arg);
+
+typedef struct OnigEncodingTypeST {
+  int    (*mbc_enc_len)(const OnigUChar* p);
+  const char*   name;
+  int           max_enc_len;
+  int           min_enc_len;
+  int    (*is_mbc_newline)(const OnigUChar* p, const OnigUChar* end);
+  OnigCodePoint (*mbc_to_code)(const OnigUChar* p, const OnigUChar* end);
+  int    (*code_to_mbclen)(OnigCodePoint code);
+  int    (*code_to_mbc)(OnigCodePoint code, OnigUChar *buf);
+  int    (*mbc_case_fold)(OnigCaseFoldType flag, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to);
+  int    (*apply_all_case_fold)(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg);
+  int    (*get_case_fold_codes_by_str)(OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem acs[]);
+  int    (*property_name_to_ctype)(struct OnigEncodingTypeST* enc, OnigUChar* p, OnigUChar* end);
+  int    (*is_code_ctype)(OnigCodePoint code, OnigCtype ctype);
+  int    (*get_ctype_code_range)(OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[]);
+  OnigUChar* (*left_adjust_char_head)(const OnigUChar* start, const OnigUChar* p);
+  int    (*is_allowed_reverse_match)(const OnigUChar* p, const OnigUChar* end);
+} OnigEncodingType;
+
+typedef OnigEncodingType* OnigEncoding;
+
+ONIG_EXTERN OnigEncodingType OnigEncodingASCII;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_1;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_2;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_3;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_4;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_5;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_6;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_7;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_8;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_9;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_10;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_11;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_13;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_14;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_15;
+ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_16;
+ONIG_EXTERN OnigEncodingType OnigEncodingUTF8;
+ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_BE;
+ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_LE;
+ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_BE;
+ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_LE;
+ONIG_EXTERN OnigEncodingType OnigEncodingEUC_JP;
+ONIG_EXTERN OnigEncodingType OnigEncodingEUC_TW;
+ONIG_EXTERN OnigEncodingType OnigEncodingEUC_KR;
+ONIG_EXTERN OnigEncodingType OnigEncodingEUC_CN;
+ONIG_EXTERN OnigEncodingType OnigEncodingSJIS;
+ONIG_EXTERN OnigEncodingType OnigEncodingKOI8;
+ONIG_EXTERN OnigEncodingType OnigEncodingKOI8_R;
+ONIG_EXTERN OnigEncodingType OnigEncodingCP1251;
+ONIG_EXTERN OnigEncodingType OnigEncodingBIG5;
+ONIG_EXTERN OnigEncodingType OnigEncodingGB18030;
+
+#define ONIG_ENCODING_ASCII        (&OnigEncodingASCII)
+#define ONIG_ENCODING_ISO_8859_1   (&OnigEncodingISO_8859_1)
+#define ONIG_ENCODING_ISO_8859_2   (&OnigEncodingISO_8859_2)
+#define ONIG_ENCODING_ISO_8859_3   (&OnigEncodingISO_8859_3)
+#define ONIG_ENCODING_ISO_8859_4   (&OnigEncodingISO_8859_4)
+#define ONIG_ENCODING_ISO_8859_5   (&OnigEncodingISO_8859_5)
+#define ONIG_ENCODING_ISO_8859_6   (&OnigEncodingISO_8859_6)
+#define ONIG_ENCODING_ISO_8859_7   (&OnigEncodingISO_8859_7)
+#define ONIG_ENCODING_ISO_8859_8   (&OnigEncodingISO_8859_8)
+#define ONIG_ENCODING_ISO_8859_9   (&OnigEncodingISO_8859_9)
+#define ONIG_ENCODING_ISO_8859_10  (&OnigEncodingISO_8859_10)
+#define ONIG_ENCODING_ISO_8859_11  (&OnigEncodingISO_8859_11)
+#define ONIG_ENCODING_ISO_8859_13  (&OnigEncodingISO_8859_13)
+#define ONIG_ENCODING_ISO_8859_14  (&OnigEncodingISO_8859_14)
+#define ONIG_ENCODING_ISO_8859_15  (&OnigEncodingISO_8859_15)
+#define ONIG_ENCODING_ISO_8859_16  (&OnigEncodingISO_8859_16)
+#define ONIG_ENCODING_UTF8         (&OnigEncodingUTF8)
+#define ONIG_ENCODING_UTF16_BE     (&OnigEncodingUTF16_BE)
+#define ONIG_ENCODING_UTF16_LE     (&OnigEncodingUTF16_LE)
+#define ONIG_ENCODING_UTF32_BE     (&OnigEncodingUTF32_BE)
+#define ONIG_ENCODING_UTF32_LE     (&OnigEncodingUTF32_LE)
+#define ONIG_ENCODING_EUC_JP       (&OnigEncodingEUC_JP)
+#define ONIG_ENCODING_EUC_TW       (&OnigEncodingEUC_TW)
+#define ONIG_ENCODING_EUC_KR       (&OnigEncodingEUC_KR)
+#define ONIG_ENCODING_EUC_CN       (&OnigEncodingEUC_CN)
+#define ONIG_ENCODING_SJIS         (&OnigEncodingSJIS)
+#define ONIG_ENCODING_KOI8         (&OnigEncodingKOI8)
+#define ONIG_ENCODING_KOI8_R       (&OnigEncodingKOI8_R)
+#define ONIG_ENCODING_CP1251       (&OnigEncodingCP1251)
+#define ONIG_ENCODING_BIG5         (&OnigEncodingBIG5)
+#define ONIG_ENCODING_GB18030      (&OnigEncodingGB18030)
+
+#define ONIG_ENCODING_UNDEF    ((OnigEncoding )0)
+
+
+/* work size */
+#define ONIGENC_CODE_TO_MBC_MAXLEN       7
+#define ONIGENC_MBC_CASE_FOLD_MAXLEN    18
+/* 18: 6(max-byte) * 3(case-fold chars) */
+
+/* character types */
+#define ONIGENC_CTYPE_NEWLINE   0
+#define ONIGENC_CTYPE_ALPHA     1
+#define ONIGENC_CTYPE_BLANK     2
+#define ONIGENC_CTYPE_CNTRL     3
+#define ONIGENC_CTYPE_DIGIT     4
+#define ONIGENC_CTYPE_GRAPH     5
+#define ONIGENC_CTYPE_LOWER     6
+#define ONIGENC_CTYPE_PRINT     7
+#define ONIGENC_CTYPE_PUNCT     8
+#define ONIGENC_CTYPE_SPACE     9
+#define ONIGENC_CTYPE_UPPER    10
+#define ONIGENC_CTYPE_XDIGIT   11
+#define ONIGENC_CTYPE_WORD     12
+#define ONIGENC_CTYPE_ALNUM    13  /* alpha || digit */
+#define ONIGENC_CTYPE_ASCII    14
+#define ONIGENC_MAX_STD_CTYPE  ONIGENC_CTYPE_ASCII
+
+
+#define onig_enc_len(enc,p,end)        ONIGENC_MBC_ENC_LEN(enc,p)
+
+#define ONIGENC_IS_UNDEF(enc)          ((enc) == ONIG_ENCODING_UNDEF)
+#define ONIGENC_IS_SINGLEBYTE(enc)     (ONIGENC_MBC_MAXLEN(enc) == 1)
+#define ONIGENC_IS_MBC_HEAD(enc,p)     (ONIGENC_MBC_ENC_LEN(enc,p) != 1)
+#define ONIGENC_IS_MBC_ASCII(p)           (*(p)   < 128)
+#define ONIGENC_IS_CODE_ASCII(code)       ((code) < 128)
+#define ONIGENC_IS_MBC_WORD(enc,s,end) \
+   ONIGENC_IS_CODE_WORD(enc,ONIGENC_MBC_TO_CODE(enc,s,end))
+
+
+#define ONIGENC_NAME(enc)                      ((enc)->name)
+
+#define ONIGENC_MBC_CASE_FOLD(enc,flag,pp,end,buf) \
+  (enc)->mbc_case_fold(flag,(const OnigUChar** )pp,end,buf)
+#define ONIGENC_IS_ALLOWED_REVERSE_MATCH(enc,s,end) \
+        (enc)->is_allowed_reverse_match(s,end)
+#define ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc,start,s) \
+        (enc)->left_adjust_char_head(start, s)
+#define ONIGENC_APPLY_ALL_CASE_FOLD(enc,case_fold_flag,f,arg) \
+        (enc)->apply_all_case_fold(case_fold_flag,f,arg)
+#define ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc,case_fold_flag,p,end,acs) \
+       (enc)->get_case_fold_codes_by_str(case_fold_flag,p,end,acs)
+#define ONIGENC_STEP_BACK(enc,start,s,n) \
+        onigenc_step_back((enc),(start),(s),(n))
+
+#define ONIGENC_MBC_ENC_LEN(enc,p)             (enc)->mbc_enc_len(p)
+#define ONIGENC_MBC_MAXLEN(enc)               ((enc)->max_enc_len)
+#define ONIGENC_MBC_MAXLEN_DIST(enc)           ONIGENC_MBC_MAXLEN(enc)
+#define ONIGENC_MBC_MINLEN(enc)               ((enc)->min_enc_len)
+#define ONIGENC_IS_MBC_NEWLINE(enc,p,end)      (enc)->is_mbc_newline((p),(end))
+#define ONIGENC_MBC_TO_CODE(enc,p,end)         (enc)->mbc_to_code((p),(end))
+#define ONIGENC_CODE_TO_MBCLEN(enc,code)       (enc)->code_to_mbclen(code)
+#define ONIGENC_CODE_TO_MBC(enc,code,buf)      (enc)->code_to_mbc(code,buf)
+#define ONIGENC_PROPERTY_NAME_TO_CTYPE(enc,p,end) \
+  (enc)->property_name_to_ctype(enc,p,end)
+
+#define ONIGENC_IS_CODE_CTYPE(enc,code,ctype)  (enc)->is_code_ctype(code,ctype)
+
+#define ONIGENC_IS_CODE_NEWLINE(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_NEWLINE)
+#define ONIGENC_IS_CODE_GRAPH(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_GRAPH)
+#define ONIGENC_IS_CODE_PRINT(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_PRINT)
+#define ONIGENC_IS_CODE_ALNUM(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_ALNUM)
+#define ONIGENC_IS_CODE_ALPHA(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_ALPHA)
+#define ONIGENC_IS_CODE_LOWER(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_LOWER)
+#define ONIGENC_IS_CODE_UPPER(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_UPPER)
+#define ONIGENC_IS_CODE_CNTRL(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_CNTRL)
+#define ONIGENC_IS_CODE_PUNCT(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_PUNCT)
+#define ONIGENC_IS_CODE_SPACE(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_SPACE)
+#define ONIGENC_IS_CODE_BLANK(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_BLANK)
+#define ONIGENC_IS_CODE_DIGIT(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_DIGIT)
+#define ONIGENC_IS_CODE_XDIGIT(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_XDIGIT)
+#define ONIGENC_IS_CODE_WORD(enc,code) \
+        ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_WORD)
+
+#define ONIGENC_GET_CTYPE_CODE_RANGE(enc,ctype,sbout,ranges) \
+        (enc)->get_ctype_code_range(ctype,sbout,ranges)
+
+ONIG_EXTERN
+OnigUChar* onigenc_step_back P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s, int n));
+
+
+/* encoding API */
+ONIG_EXTERN
+int onigenc_init P_((void));
+ONIG_EXTERN
+int onigenc_set_default_encoding P_((OnigEncoding enc));
+ONIG_EXTERN
+OnigEncoding onigenc_get_default_encoding P_((void));
+ONIG_EXTERN
+void  onigenc_set_default_caseconv_table P_((const OnigUChar* table));
+ONIG_EXTERN
+OnigUChar* onigenc_get_right_adjust_char_head_with_prev P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s, const OnigUChar** prev));
+ONIG_EXTERN
+OnigUChar* onigenc_get_prev_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
+ONIG_EXTERN
+OnigUChar* onigenc_get_left_adjust_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
+ONIG_EXTERN
+OnigUChar* onigenc_get_right_adjust_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
+ONIG_EXTERN
+int onigenc_strlen P_((OnigEncoding enc, const OnigUChar* p, const OnigUChar* end));
+ONIG_EXTERN
+int onigenc_strlen_null P_((OnigEncoding enc, const OnigUChar* p));
+ONIG_EXTERN
+int onigenc_str_bytelen_null P_((OnigEncoding enc, const OnigUChar* p));
+
+
+
+/* PART: regular expression */
+
+/* config parameters */
+#define ONIG_NREGION                          10
+#define ONIG_MAX_BACKREF_NUM                1000
+#define ONIG_MAX_REPEAT_NUM               100000
+#define ONIG_MAX_MULTI_BYTE_RANGES_NUM     10000
+/* constants */
+#define ONIG_MAX_ERROR_MESSAGE_LEN            90
+
+typedef unsigned int        OnigOptionType;
+
+#define ONIG_OPTION_DEFAULT            ONIG_OPTION_NONE
+
+/* options */
+#define ONIG_OPTION_NONE                 0U
+#define ONIG_OPTION_IGNORECASE           1U
+#define ONIG_OPTION_EXTEND               (ONIG_OPTION_IGNORECASE         << 1)
+#define ONIG_OPTION_MULTILINE            (ONIG_OPTION_EXTEND             << 1)
+#define ONIG_OPTION_SINGLELINE           (ONIG_OPTION_MULTILINE          << 1)
+#define ONIG_OPTION_FIND_LONGEST         (ONIG_OPTION_SINGLELINE         << 1)
+#define ONIG_OPTION_FIND_NOT_EMPTY       (ONIG_OPTION_FIND_LONGEST       << 1)
+#define ONIG_OPTION_NEGATE_SINGLELINE    (ONIG_OPTION_FIND_NOT_EMPTY     << 1)
+#define ONIG_OPTION_DONT_CAPTURE_GROUP   (ONIG_OPTION_NEGATE_SINGLELINE  << 1)
+#define ONIG_OPTION_CAPTURE_GROUP        (ONIG_OPTION_DONT_CAPTURE_GROUP << 1)
+/* options (search time) */
+#define ONIG_OPTION_NOTBOL               (ONIG_OPTION_CAPTURE_GROUP << 1)
+#define ONIG_OPTION_NOTEOL               (ONIG_OPTION_NOTBOL << 1)
+#define ONIG_OPTION_POSIX_REGION         (ONIG_OPTION_NOTEOL << 1)
+#define ONIG_OPTION_MAXBIT               ONIG_OPTION_POSIX_REGION  /* limit */
+
+#define ONIG_OPTION_ON(options,regopt)      ((options) |= (regopt))
+#define ONIG_OPTION_OFF(options,regopt)     ((options) &= ~(regopt))
+#define ONIG_IS_OPTION_ON(options,option)   ((options) & (option))
+
+/* syntax */
+typedef struct {
+  unsigned int   op;
+  unsigned int   op2;
+  unsigned int   behavior;
+  OnigOptionType options;   /* default option */
+  OnigMetaCharTableType meta_char_table;
+} OnigSyntaxType;
+
+ONIG_EXTERN OnigSyntaxType OnigSyntaxASIS;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixBasic;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixExtended;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxEmacs;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxGrep;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxGnuRegex;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxJava;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl_NG;
+ONIG_EXTERN OnigSyntaxType OnigSyntaxRuby;
+
+/* predefined syntaxes (see regsyntax.c) */
+#define ONIG_SYNTAX_ASIS               (&OnigSyntaxASIS)
+#define ONIG_SYNTAX_POSIX_BASIC        (&OnigSyntaxPosixBasic)
+#define ONIG_SYNTAX_POSIX_EXTENDED     (&OnigSyntaxPosixExtended)
+#define ONIG_SYNTAX_EMACS              (&OnigSyntaxEmacs)
+#define ONIG_SYNTAX_GREP               (&OnigSyntaxGrep)
+#define ONIG_SYNTAX_GNU_REGEX          (&OnigSyntaxGnuRegex)
+#define ONIG_SYNTAX_JAVA               (&OnigSyntaxJava)
+#define ONIG_SYNTAX_PERL               (&OnigSyntaxPerl)
+#define ONIG_SYNTAX_PERL_NG            (&OnigSyntaxPerl_NG)
+#define ONIG_SYNTAX_RUBY               (&OnigSyntaxRuby)
+
+/* default syntax */
+ONIG_EXTERN OnigSyntaxType*   OnigDefaultSyntax;
+#define ONIG_SYNTAX_DEFAULT   OnigDefaultSyntax
+
+/* syntax (operators) */
+#define ONIG_SYN_OP_VARIABLE_META_CHARACTERS    (1U<<0)
+#define ONIG_SYN_OP_DOT_ANYCHAR                 (1U<<1)   /* . */
+#define ONIG_SYN_OP_ASTERISK_ZERO_INF           (1U<<2)   /* * */
+#define ONIG_SYN_OP_ESC_ASTERISK_ZERO_INF       (1U<<3)
+#define ONIG_SYN_OP_PLUS_ONE_INF                (1U<<4)   /* + */
+#define ONIG_SYN_OP_ESC_PLUS_ONE_INF            (1U<<5)
+#define ONIG_SYN_OP_QMARK_ZERO_ONE              (1U<<6)   /* ? */
+#define ONIG_SYN_OP_ESC_QMARK_ZERO_ONE          (1U<<7)
+#define ONIG_SYN_OP_BRACE_INTERVAL              (1U<<8)   /* {lower,upper} */
+#define ONIG_SYN_OP_ESC_BRACE_INTERVAL          (1U<<9)   /* \{lower,upper\} */
+#define ONIG_SYN_OP_VBAR_ALT                    (1U<<10)   /* | */
+#define ONIG_SYN_OP_ESC_VBAR_ALT                (1U<<11)  /* \| */
+#define ONIG_SYN_OP_LPAREN_SUBEXP               (1U<<12)  /* (...)   */
+#define ONIG_SYN_OP_ESC_LPAREN_SUBEXP           (1U<<13)  /* \(...\) */
+#define ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR           (1U<<14)  /* \A, \Z, \z */
+#define ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR  (1U<<15)  /* \G     */
+#define ONIG_SYN_OP_DECIMAL_BACKREF             (1U<<16)  /* \num   */
+#define ONIG_SYN_OP_BRACKET_CC                  (1U<<17)  /* [...]  */
+#define ONIG_SYN_OP_ESC_W_WORD                  (1U<<18)  /* \w, \W */
+#define ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END     (1U<<19)  /* \<. \> */
+#define ONIG_SYN_OP_ESC_B_WORD_BOUND            (1U<<20)  /* \b, \B */
+#define ONIG_SYN_OP_ESC_S_WHITE_SPACE           (1U<<21)  /* \s, \S */
+#define ONIG_SYN_OP_ESC_D_DIGIT                 (1U<<22)  /* \d, \D */
+#define ONIG_SYN_OP_LINE_ANCHOR                 (1U<<23)  /* ^, $   */
+#define ONIG_SYN_OP_POSIX_BRACKET               (1U<<24)  /* [:xxxx:] */
+#define ONIG_SYN_OP_QMARK_NON_GREEDY            (1U<<25)  /* ??,*?,+?,{n,m}? */
+#define ONIG_SYN_OP_ESC_CONTROL_CHARS           (1U<<26)  /* \n,\r,\t,\a ... */
+#define ONIG_SYN_OP_ESC_C_CONTROL               (1U<<27)  /* \cx  */
+#define ONIG_SYN_OP_ESC_OCTAL3                  (1U<<28)  /* \OOO */
+#define ONIG_SYN_OP_ESC_X_HEX2                  (1U<<29)  /* \xHH */
+#define ONIG_SYN_OP_ESC_X_BRACE_HEX8            (1U<<30)  /* \x{7HHHHHHH} */
+
+#define ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE        (1U<<0)  /* \Q...\E */
+#define ONIG_SYN_OP2_QMARK_GROUP_EFFECT         (1U<<1)  /* (?...) */
+#define ONIG_SYN_OP2_OPTION_PERL                (1U<<2)  /* (?imsx),(?-imsx) */
+#define ONIG_SYN_OP2_OPTION_RUBY                (1U<<3)  /* (?imx), (?-imx)  */
+#define ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT     (1U<<4)  /* ?+,*+,++ */
+#define ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL   (1U<<5)  /* {n,m}+   */
+#define ONIG_SYN_OP2_CCLASS_SET_OP              (1U<<6)  /* [...&&..[..]..] */
+#define ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP       (1U<<7)  /* (?<name>...) */
+#define ONIG_SYN_OP2_ESC_K_NAMED_BACKREF        (1U<<8)  /* \k<name> */
+#define ONIG_SYN_OP2_ESC_G_SUBEXP_CALL          (1U<<9)  /* \g<name>, \g<n> */
+#define ONIG_SYN_OP2_ATMARK_CAPTURE_HISTORY     (1U<<10) /* (?@..),(?@<x>..) */
+#define ONIG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL  (1U<<11) /* \C-x */
+#define ONIG_SYN_OP2_ESC_CAPITAL_M_BAR_META     (1U<<12) /* \M-x */
+#define ONIG_SYN_OP2_ESC_V_VTAB                 (1U<<13) /* \v as VTAB */
+#define ONIG_SYN_OP2_ESC_U_HEX4                 (1U<<14) /* \uHHHH */
+#define ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR         (1U<<15) /* \`, \' */
+#define ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY  (1U<<16) /* \p{...}, \P{...} */
+#define ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT (1U<<17) /* \p{^..}, \P{^..} */
+/* #define ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS (1U<<18) */
+#define ONIG_SYN_OP2_ESC_H_XDIGIT               (1U<<19) /* \h, \H */
+#define ONIG_SYN_OP2_INEFFECTIVE_ESCAPE         (1U<<20) /* \ */
+
+/* syntax (behavior) */
+#define ONIG_SYN_CONTEXT_INDEP_ANCHORS           (1U<<31) /* not implemented */
+#define ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS        (1U<<0)  /* ?, *, +, {n,m} */
+#define ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS      (1U<<1)  /* error or ignore */
+#define ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP    (1U<<2)  /* ...)... */
+#define ONIG_SYN_ALLOW_INVALID_INTERVAL          (1U<<3)  /* {??? */
+#define ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV       (1U<<4)  /* {,n} => {0,n} */
+#define ONIG_SYN_STRICT_CHECK_BACKREF            (1U<<5)  /* /(\1)/,/\1()/ ..*/
+#define ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND   (1U<<6)  /* (?<=a|bc) */
+#define ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP        (1U<<7)  /* see doc/RE */
+#define ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME (1U<<8)  /* (?<x>)(?<x>) */
+#define ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY   (1U<<9)  /* a{n}?=(?:a{n})? */
+
+/* syntax (behavior) in char class [...] */
+#define ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC      (1U<<20) /* [^...] */
+#define ONIG_SYN_BACKSLASH_ESCAPE_IN_CC          (1U<<21) /* [..\w..] etc.. */
+#define ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC         (1U<<22)
+#define ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC     (1U<<23) /* [0-9-a]=[0-9\-a] */
+/* syntax (behavior) warning */
+#define ONIG_SYN_WARN_CC_OP_NOT_ESCAPED          (1U<<24) /* [,-,] */
+#define ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT    (1U<<25) /* (?:a*)+ */
+
+/* meta character specifiers (onig_set_meta_char()) */
+#define ONIG_META_CHAR_ESCAPE               0
+#define ONIG_META_CHAR_ANYCHAR              1
+#define ONIG_META_CHAR_ANYTIME              2
+#define ONIG_META_CHAR_ZERO_OR_ONE_TIME     3
+#define ONIG_META_CHAR_ONE_OR_MORE_TIME     4
+#define ONIG_META_CHAR_ANYCHAR_ANYTIME      5
+
+#define ONIG_INEFFECTIVE_META_CHAR          0
+
+/* error codes */
+#define ONIG_IS_PATTERN_ERROR(ecode)   ((ecode) <= -100 && (ecode) > -1000)
+/* normal return */
+#define ONIG_NORMAL                                            0
+#define ONIG_MISMATCH                                         -1
+#define ONIG_NO_SUPPORT_CONFIG                                -2
+
+/* internal error */
+#define ONIGERR_MEMORY                                         -5
+#define ONIGERR_TYPE_BUG                                       -6
+#define ONIGERR_PARSER_BUG                                    -11
+#define ONIGERR_STACK_BUG                                     -12
+#define ONIGERR_UNDEFINED_BYTECODE                            -13
+#define ONIGERR_UNEXPECTED_BYTECODE                           -14
+#define ONIGERR_MATCH_STACK_LIMIT_OVER                        -15
+#define ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED                -21
+#define ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR  -22
+/* general error */
+#define ONIGERR_INVALID_ARGUMENT                              -30 
+/* syntax error */
+#define ONIGERR_END_PATTERN_AT_LEFT_BRACE                    -100
+#define ONIGERR_END_PATTERN_AT_LEFT_BRACKET                  -101
+#define ONIGERR_EMPTY_CHAR_CLASS                             -102
+#define ONIGERR_PREMATURE_END_OF_CHAR_CLASS                  -103
+#define ONIGERR_END_PATTERN_AT_ESCAPE                        -104
+#define ONIGERR_END_PATTERN_AT_META                          -105
+#define ONIGERR_END_PATTERN_AT_CONTROL                       -106
+#define ONIGERR_META_CODE_SYNTAX                             -108
+#define ONIGERR_CONTROL_CODE_SYNTAX                          -109
+#define ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE             -110
+#define ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE           -111
+#define ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS      -112
+#define ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED      -113
+#define ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID            -114
+#define ONIGERR_NESTED_REPEAT_OPERATOR                       -115
+#define ONIGERR_UNMATCHED_CLOSE_PARENTHESIS                  -116
+#define ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS       -117
+#define ONIGERR_END_PATTERN_IN_GROUP                         -118
+#define ONIGERR_UNDEFINED_GROUP_OPTION                       -119
+#define ONIGERR_INVALID_POSIX_BRACKET_TYPE                   -121
+#define ONIGERR_INVALID_LOOK_BEHIND_PATTERN                  -122
+#define ONIGERR_INVALID_REPEAT_RANGE_PATTERN                 -123
+/* values error (syntax error) */
+#define ONIGERR_TOO_BIG_NUMBER                               -200
+#define ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE              -201
+#define ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE     -202
+#define ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS                    -203
+#define ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE          -204
+#define ONIGERR_TOO_MANY_MULTI_BYTE_RANGES                   -205
+#define ONIGERR_TOO_SHORT_MULTI_BYTE_STRING                  -206
+#define ONIGERR_TOO_BIG_BACKREF_NUMBER                       -207
+#define ONIGERR_INVALID_BACKREF                              -208
+#define ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED         -209
+#define ONIGERR_TOO_LONG_WIDE_CHAR_VALUE                     -212
+#define ONIGERR_EMPTY_GROUP_NAME                             -214
+#define ONIGERR_INVALID_GROUP_NAME                           -215
+#define ONIGERR_INVALID_CHAR_IN_GROUP_NAME                   -216
+#define ONIGERR_UNDEFINED_NAME_REFERENCE                     -217
+#define ONIGERR_UNDEFINED_GROUP_REFERENCE                    -218
+#define ONIGERR_MULTIPLEX_DEFINED_NAME                       -219
+#define ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL               -220
+#define ONIGERR_NEVER_ENDING_RECURSION                       -221
+#define ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY        -222
+#define ONIGERR_INVALID_CHAR_PROPERTY_NAME                   -223
+#define ONIGERR_INVALID_CODE_POINT_VALUE                     -400
+#define ONIGERR_INVALID_WIDE_CHAR_VALUE                      -400
+#define ONIGERR_TOO_BIG_WIDE_CHAR_VALUE                      -401
+#define ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION           -402
+#define ONIGERR_INVALID_COMBINATION_OF_OPTIONS               -403
+
+/* errors related to thread */
+#define ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT                -1001
+
+
+/* must be smaller than BIT_STATUS_BITS_NUM (unsigned int * 8) */
+#define ONIG_MAX_CAPTURE_HISTORY_GROUP   31
+#define ONIG_IS_CAPTURE_HISTORY_GROUP(r, i) \
+  ((i) <= ONIG_MAX_CAPTURE_HISTORY_GROUP && (r)->list && (r)->list[i])
+
+typedef struct OnigCaptureTreeNodeStruct {
+  int group;   /* group number */
+  int beg;
+  int end;
+  int allocated;
+  int num_childs;
+  struct OnigCaptureTreeNodeStruct** childs;
+} OnigCaptureTreeNode;
+
+/* match result region type */
+struct re_registers {
+  int  allocated;
+  int  num_regs;
+  int* beg;
+  int* end;
+  /* extended */
+  OnigCaptureTreeNode* history_root;  /* capture history tree root */
+};
+
+/* capture tree traverse */
+#define ONIG_TRAVERSE_CALLBACK_AT_FIRST   1
+#define ONIG_TRAVERSE_CALLBACK_AT_LAST    2
+#define ONIG_TRAVERSE_CALLBACK_AT_BOTH \
+  ( ONIG_TRAVERSE_CALLBACK_AT_FIRST | ONIG_TRAVERSE_CALLBACK_AT_LAST )
+
+
+#define ONIG_REGION_NOTPOS            -1
+
+typedef struct re_registers   OnigRegion;
+
+typedef struct {
+  OnigEncoding enc;
+  OnigUChar* par;
+  OnigUChar* par_end;
+} OnigErrorInfo;
+
+typedef struct {
+  int lower;
+  int upper;
+} OnigRepeatRange;
+
+typedef void (*OnigWarnFunc) P_((const char* s));
+extern void onig_null_warn P_((const char* s));
+#define ONIG_NULL_WARN       onig_null_warn
+
+#define ONIG_CHAR_TABLE_SIZE   256
+
+/* regex_t state */
+#define ONIG_STATE_NORMAL              0
+#define ONIG_STATE_SEARCHING           1
+#define ONIG_STATE_COMPILING          -1
+#define ONIG_STATE_MODIFY             -2
+
+#define ONIG_STATE(reg) \
+  ((reg)->state > 0 ? ONIG_STATE_SEARCHING : (reg)->state)
+
+typedef struct re_pattern_buffer {
+  /* common members of BBuf(bytes-buffer) */
+  unsigned char* p;         /* compiled pattern */
+  unsigned int used;        /* used space for p */
+  unsigned int alloc;       /* allocated space for p */
+
+  int state;                     /* normal, searching, compiling */
+  int num_mem;                   /* used memory(...) num counted from 1 */
+  int num_repeat;                /* OP_REPEAT/OP_REPEAT_NG id-counter */
+  int num_null_check;            /* OP_NULL_CHECK_START/END id counter */
+  int num_comb_exp_check;        /* combination explosion check */
+  int num_call;                  /* number of subexp call */
+  unsigned int capture_history;  /* (?@...) flag (1-31) */
+  unsigned int bt_mem_start;     /* need backtrack flag */
+  unsigned int bt_mem_end;       /* need backtrack flag */
+  int stack_pop_level;
+  int repeat_range_alloc;
+  OnigRepeatRange* repeat_range;
+
+  OnigEncoding      enc;
+  OnigOptionType    options;
+  OnigSyntaxType*   syntax;
+  OnigCaseFoldType  case_fold_flag;
+  void*             name_table;
+
+  /* optimization info (string search, char-map and anchors) */
+  int            optimize;          /* optimize flag */
+  int            threshold_len;     /* search str-length for apply optimize */
+  int            anchor;            /* BEGIN_BUF, BEGIN_POS, (SEMI_)END_BUF */
+  OnigDistance   anchor_dmin;       /* (SEMI_)END_BUF anchor distance */
+  OnigDistance   anchor_dmax;       /* (SEMI_)END_BUF anchor distance */
+  int            sub_anchor;        /* start-anchor for exact or map */
+  unsigned char *exact;
+  unsigned char *exact_end;
+  unsigned char  map[ONIG_CHAR_TABLE_SIZE]; /* used as BM skip or char-map */
+  int           *int_map;                   /* BM skip for exact_len > 255 */
+  int           *int_map_backward;          /* BM skip for backward search */
+  OnigDistance   dmin;                      /* min-distance of exact or map */
+  OnigDistance   dmax;                      /* max-distance of exact or map */
+
+  /* regex_t link chain */
+  struct re_pattern_buffer* chain;  /* escape compile-conflict */
+} OnigRegexType;
+
+typedef OnigRegexType*  OnigRegex;
+
+#ifndef ONIG_ESCAPE_REGEX_T_COLLISION
+  typedef OnigRegexType  regex_t;
+#endif
+
+
+typedef struct {
+  int             num_of_elements;
+  OnigEncoding    pattern_enc;
+  OnigEncoding    target_enc;
+  OnigSyntaxType* syntax;
+  OnigOptionType  option;
+  OnigCaseFoldType   case_fold_flag;
+} OnigCompileInfo;
+
+/* Oniguruma Native API */
+ONIG_EXTERN
+int onig_init P_((void));
+ONIG_EXTERN
+int onig_error_code_to_str PV_((OnigUChar* s, int err_code, ...));
+ONIG_EXTERN
+void onig_set_warn_func P_((OnigWarnFunc f));
+ONIG_EXTERN
+void onig_set_verb_warn_func P_((OnigWarnFunc f));
+ONIG_EXTERN
+int onig_new P_((OnigRegex*, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
+ONIG_EXTERN
+int  onig_reg_init P_((regex_t* reg, OnigOptionType option, OnigCaseFoldType case_fold_flag, OnigEncoding enc, OnigSyntaxType* syntax));
+int onig_new_without_alloc P_((OnigRegex, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
+ONIG_EXTERN
+int onig_new_deluxe P_((OnigRegex* reg, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigCompileInfo* ci, OnigErrorInfo* einfo));
+ONIG_EXTERN
+void onig_free P_((OnigRegex));
+ONIG_EXTERN
+void onig_free_body P_((OnigRegex));
+ONIG_EXTERN
+int onig_recompile P_((OnigRegex, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
+ONIG_EXTERN
+int onig_recompile_deluxe P_((OnigRegex reg, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigCompileInfo* ci, OnigErrorInfo* einfo));
+ONIG_EXTERN
+int onig_search P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* start, const OnigUChar* range, OnigRegion* region, OnigOptionType option));
+ONIG_EXTERN
+int onig_match P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* at, OnigRegion* region, OnigOptionType option));
+ONIG_EXTERN
+OnigRegion* onig_region_new P_((void));
+ONIG_EXTERN
+void onig_region_init P_((OnigRegion* region));
+ONIG_EXTERN
+void onig_region_free P_((OnigRegion* region, int free_self));
+ONIG_EXTERN
+void onig_region_copy P_((OnigRegion* to, OnigRegion* from));
+ONIG_EXTERN
+void onig_region_clear P_((OnigRegion* region));
+ONIG_EXTERN
+int onig_region_resize P_((OnigRegion* region, int n));
+ONIG_EXTERN
+int onig_region_set P_((OnigRegion* region, int at, int beg, int end));
+ONIG_EXTERN
+int onig_name_to_group_numbers P_((OnigRegex reg, const OnigUChar* name, const OnigUChar* name_end, int** nums));
+ONIG_EXTERN
+int onig_name_to_backref_number P_((OnigRegex reg, const OnigUChar* name, const OnigUChar* name_end, OnigRegion *region));
+ONIG_EXTERN
+int onig_foreach_name P_((OnigRegex reg, int (*func)(const OnigUChar*, const OnigUChar*,int,int*,OnigRegex,void*), void* arg));
+ONIG_EXTERN
+int onig_number_of_names P_((OnigRegex reg));
+ONIG_EXTERN
+int onig_number_of_captures P_((OnigRegex reg));
+ONIG_EXTERN
+int onig_number_of_capture_histories P_((OnigRegex reg));
+ONIG_EXTERN
+OnigCaptureTreeNode* onig_get_capture_tree P_((OnigRegion* region));
+ONIG_EXTERN
+int onig_capture_tree_traverse P_((OnigRegion* region, int at, int(*callback_func)(int,int,int,int,int,void*), void* arg));
+ONIG_EXTERN
+int onig_noname_group_capture_is_active P_((OnigRegex reg));
+ONIG_EXTERN
+OnigEncoding onig_get_encoding P_((OnigRegex reg));
+ONIG_EXTERN
+OnigOptionType onig_get_options P_((OnigRegex reg));
+ONIG_EXTERN
+OnigCaseFoldType onig_get_case_fold_flag P_((OnigRegex reg));
+ONIG_EXTERN
+OnigSyntaxType* onig_get_syntax P_((OnigRegex reg));
+ONIG_EXTERN
+int onig_set_default_syntax P_((OnigSyntaxType* syntax));
+ONIG_EXTERN
+void onig_copy_syntax P_((OnigSyntaxType* to, OnigSyntaxType* from));
+ONIG_EXTERN
+unsigned int onig_get_syntax_op P_((OnigSyntaxType* syntax));
+ONIG_EXTERN
+unsigned int onig_get_syntax_op2 P_((OnigSyntaxType* syntax));
+ONIG_EXTERN
+unsigned int onig_get_syntax_behavior P_((OnigSyntaxType* syntax));
+ONIG_EXTERN
+OnigOptionType onig_get_syntax_options P_((OnigSyntaxType* syntax));
+ONIG_EXTERN
+void onig_set_syntax_op P_((OnigSyntaxType* syntax, unsigned int op));
+ONIG_EXTERN
+void onig_set_syntax_op2 P_((OnigSyntaxType* syntax, unsigned int op2));
+ONIG_EXTERN
+void onig_set_syntax_behavior P_((OnigSyntaxType* syntax, unsigned int behavior));
+ONIG_EXTERN
+void onig_set_syntax_options P_((OnigSyntaxType* syntax, OnigOptionType options));
+ONIG_EXTERN
+int onig_set_meta_char P_((OnigSyntaxType* syntax, unsigned int what, OnigCodePoint code));
+ONIG_EXTERN
+void onig_copy_encoding P_((OnigEncoding to, OnigEncoding from));
+ONIG_EXTERN
+OnigCaseFoldType onig_get_default_case_fold_flag P_((void));
+ONIG_EXTERN
+int onig_set_default_case_fold_flag P_((OnigCaseFoldType case_fold_flag));
+ONIG_EXTERN
+unsigned int onig_get_match_stack_limit_size P_((void));
+ONIG_EXTERN
+int onig_set_match_stack_limit_size P_((unsigned int size));
+ONIG_EXTERN
+int onig_end P_((void));
+ONIG_EXTERN
+const char* onig_version P_((void));
+ONIG_EXTERN
+const char* onig_copyright P_((void));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ONIGURUMA_H */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regcomp.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regcomp.c
new file mode 100644
index 0000000000..6dc6c28772
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regcomp.c
@@ -0,0 +1,6291 @@
+/**********************************************************************
+  regcomp.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2013  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regparse.h"
+
+OnigCaseFoldType OnigDefaultCaseFoldFlag = ONIGENC_CASE_FOLD_MIN;
+
+extern OnigCaseFoldType
+onig_get_default_case_fold_flag(void)
+{
+  return OnigDefaultCaseFoldFlag;
+}
+
+extern int
+onig_set_default_case_fold_flag(OnigCaseFoldType case_fold_flag)
+{
+  OnigDefaultCaseFoldFlag = case_fold_flag;
+  return 0;
+}
+
+
+#ifndef PLATFORM_UNALIGNED_WORD_ACCESS
+static unsigned char PadBuf[WORD_ALIGNMENT_SIZE];
+#endif
+
+static UChar*
+str_dup(UChar* s, UChar* end)
+{
+  int len = (int)(end - s);
+
+  if (len > 0) {
+    UChar* r = (UChar* )xmalloc(len + 1);
+    CHECK_NULL_RETURN(r);
+    xmemcpy(r, s, len);
+    r[len] = (UChar )0;
+    return r;
+  }
+  else return NULL;
+}
+
+static void
+swap_node(Node* a, Node* b)
+{
+  Node c;
+  c = *a; *a = *b; *b = c;
+
+  if (NTYPE(a) == NT_STR) {
+    StrNode* sn = NSTR(a);
+    if (sn->capa == 0) {
+      int len = (int)(sn->end - sn->s);
+      sn->s   = sn->buf;
+      sn->end = sn->s + len;
+    }
+  }
+
+  if (NTYPE(b) == NT_STR) {
+    StrNode* sn = NSTR(b);
+    if (sn->capa == 0) {
+      int len = (int)(sn->end - sn->s);
+      sn->s   = sn->buf;
+      sn->end = sn->s + len;
+    }
+  }
+}
+
+static OnigDistance
+distance_add(OnigDistance d1, OnigDistance d2)
+{
+  if (d1 == ONIG_INFINITE_DISTANCE || d2 == ONIG_INFINITE_DISTANCE)
+    return ONIG_INFINITE_DISTANCE;
+  else {
+    if (d1 <= ONIG_INFINITE_DISTANCE - d2) return d1 + d2;
+    else return ONIG_INFINITE_DISTANCE;
+  }
+}
+
+static OnigDistance
+distance_multiply(OnigDistance d, int m)
+{
+  if (m == 0) return 0;
+
+  if (d < ONIG_INFINITE_DISTANCE / m)
+    return d * m;
+  else
+    return ONIG_INFINITE_DISTANCE;
+}
+
+static int
+bitset_is_empty(BitSetRef bs)
+{
+  int i;
+  for (i = 0; i < (int )BITSET_SIZE; i++) {
+    if (bs[i] != 0) return 0;
+  }
+  return 1;
+}
+
+#ifdef ONIG_DEBUG
+static int
+bitset_on_num(BitSetRef bs)
+{
+  int i, n;
+
+  n = 0;
+  for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
+    if (BITSET_AT(bs, i)) n++;
+  }
+  return n;
+}
+#endif
+
+extern int
+onig_bbuf_init(BBuf* buf, int size)
+{
+  if (size <= 0) {
+    size   = 0;
+    buf->p = NULL;
+  }
+  else {
+    buf->p = (UChar* )xmalloc(size);
+    if (IS_NULL(buf->p)) return(ONIGERR_MEMORY);
+  }
+
+  buf->alloc = size;
+  buf->used  = 0;
+  return 0;
+}
+
+
+#ifdef USE_SUBEXP_CALL
+
+static int
+unset_addr_list_init(UnsetAddrList* uslist, int size)
+{
+  UnsetAddr* p;
+
+  p = (UnsetAddr* )xmalloc(sizeof(UnsetAddr)* size);
+  CHECK_NULL_RETURN_MEMERR(p);
+  uslist->num   = 0;
+  uslist->alloc = size;
+  uslist->us    = p;
+  return 0;
+}
+
+static void
+unset_addr_list_end(UnsetAddrList* uslist)
+{
+  if (IS_NOT_NULL(uslist->us))
+    xfree(uslist->us);
+}
+
+static int
+unset_addr_list_add(UnsetAddrList* uslist, int offset, struct _Node* node)
+{
+  UnsetAddr* p;
+  int size;
+
+  if (uslist->num >= uslist->alloc) {
+    size = uslist->alloc * 2;
+    p = (UnsetAddr* )xrealloc(uslist->us, sizeof(UnsetAddr) * size, sizeof(UnsetAddr) * uslist->alloc);
+    CHECK_NULL_RETURN_MEMERR(p);
+    uslist->alloc = size;
+    uslist->us    = p;
+  }
+
+  uslist->us[uslist->num].offset = offset;
+  uslist->us[uslist->num].target = node;
+  uslist->num++;
+  return 0;
+}
+#endif /* USE_SUBEXP_CALL */
+
+
+static int
+add_opcode(regex_t* reg, int opcode)
+{
+  BBUF_ADD1(reg, ((unsigned char)opcode));
+  return 0;
+}
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+static int
+add_state_check_num(regex_t* reg, int num)
+{
+  StateCheckNumType n = (StateCheckNumType )num;
+
+  BBUF_ADD(reg, &n, SIZE_STATE_CHECK_NUM);
+  return 0;
+}
+#endif
+
+static int
+add_rel_addr(regex_t* reg, int addr)
+{
+  RelAddrType ra = (RelAddrType )addr;
+
+  BBUF_ADD(reg, &ra, SIZE_RELADDR);
+  return 0;
+}
+
+static int
+add_abs_addr(regex_t* reg, int addr)
+{
+  AbsAddrType ra = (AbsAddrType )addr;
+
+  BBUF_ADD(reg, &ra, SIZE_ABSADDR);
+  return 0;
+}
+
+static int
+add_length(regex_t* reg, int len)
+{
+  LengthType l = (LengthType )len;
+
+  BBUF_ADD(reg, &l, SIZE_LENGTH);
+  return 0;
+}
+
+static int
+add_mem_num(regex_t* reg, int num)
+{
+  MemNumType n = (MemNumType )num;
+
+  BBUF_ADD(reg, &n, SIZE_MEMNUM);
+  return 0;
+}
+
+static int
+add_pointer(regex_t* reg, void* addr)
+{
+  PointerType ptr = (PointerType )addr;
+
+  BBUF_ADD(reg, &ptr, SIZE_POINTER);
+  return 0;
+}
+
+static int
+add_option(regex_t* reg, OnigOptionType option)
+{
+  BBUF_ADD(reg, &option, SIZE_OPTION);
+  return 0;
+}
+
+static int
+add_opcode_rel_addr(regex_t* reg, int opcode, int addr)
+{
+  int r;
+
+  r = add_opcode(reg, opcode);
+  if (r) return r;
+  r = add_rel_addr(reg, addr);
+  return r;
+}
+
+static int
+add_bytes(regex_t* reg, UChar* bytes, int len)
+{
+  BBUF_ADD(reg, bytes, len);
+  return 0;
+}
+
+static int
+add_bitset(regex_t* reg, BitSetRef bs)
+{
+  BBUF_ADD(reg, bs, SIZE_BITSET);
+  return 0;
+}
+
+static int
+add_opcode_option(regex_t* reg, int opcode, OnigOptionType option)
+{
+  int r;
+
+  r = add_opcode(reg, opcode);
+  if (r) return r;
+  r = add_option(reg, option);
+  return r;
+}
+
+static int compile_length_tree(Node* node, regex_t* reg);
+static int compile_tree(Node* node, regex_t* reg);
+
+
+#define IS_NEED_STR_LEN_OP_EXACT(op) \
+   ((op) == OP_EXACTN    || (op) == OP_EXACTMB2N ||\
+    (op) == OP_EXACTMB3N || (op) == OP_EXACTMBN  || (op) == OP_EXACTN_IC)
+
+static int
+select_str_opcode(int mb_len, int str_len, int ignore_case)
+{
+  int op;
+
+  if (ignore_case) {
+    switch (str_len) {
+    case 1:  op = OP_EXACT1_IC; break;
+    default: op = OP_EXACTN_IC; break;
+    }
+  }
+  else {
+    switch (mb_len) {
+    case 1:
+      switch (str_len) {
+      case 1:  op = OP_EXACT1; break;
+      case 2:  op = OP_EXACT2; break;
+      case 3:  op = OP_EXACT3; break;
+      case 4:  op = OP_EXACT4; break;
+      case 5:  op = OP_EXACT5; break;
+      default: op = OP_EXACTN; break;
+      }
+      break;
+
+    case 2:
+      switch (str_len) {
+      case 1:  op = OP_EXACTMB2N1; break;
+      case 2:  op = OP_EXACTMB2N2; break;
+      case 3:  op = OP_EXACTMB2N3; break;
+      default: op = OP_EXACTMB2N;  break;
+      }
+      break;
+
+    case 3:
+      op = OP_EXACTMB3N;
+      break;
+
+    default:
+      op = OP_EXACTMBN;
+      break;
+    }
+  }
+  return op;
+}
+
+static int
+compile_tree_empty_check(Node* node, regex_t* reg, int empty_info)
+{
+  int r;
+  int saved_num_null_check = reg->num_null_check;
+
+  if (empty_info != 0) {
+    r = add_opcode(reg, OP_NULL_CHECK_START);
+    if (r) return r;
+    r = add_mem_num(reg, reg->num_null_check); /* NULL CHECK ID */
+    if (r) return r;
+    reg->num_null_check++;
+  }
+
+  r = compile_tree(node, reg);
+  if (r) return r;
+
+  if (empty_info != 0) {
+    if (empty_info == NQ_TARGET_IS_EMPTY)
+      r = add_opcode(reg, OP_NULL_CHECK_END);
+    else if (empty_info == NQ_TARGET_IS_EMPTY_MEM)
+      r = add_opcode(reg, OP_NULL_CHECK_END_MEMST);
+    else if (empty_info == NQ_TARGET_IS_EMPTY_REC)
+      r = add_opcode(reg, OP_NULL_CHECK_END_MEMST_PUSH);
+
+    if (r) return r;
+    r = add_mem_num(reg, saved_num_null_check); /* NULL CHECK ID */
+  }
+  return r;
+}
+
+#ifdef USE_SUBEXP_CALL
+static int
+compile_call(CallNode* node, regex_t* reg)
+{
+  int r;
+
+  r = add_opcode(reg, OP_CALL);
+  if (r) return r;
+  r = unset_addr_list_add(node->unset_addr_list, BBUF_GET_OFFSET_POS(reg),
+                          node->target);
+  if (r) return r;
+  r = add_abs_addr(reg, 0 /*dummy addr.*/);
+  return r;
+}
+#endif
+
+static int
+compile_tree_n_times(Node* node, int n, regex_t* reg)
+{
+  int i, r;
+
+  for (i = 0; i < n; i++) {
+    r = compile_tree(node, reg);
+    if (r) return r;
+  }
+  return 0;
+}
+
+static int
+add_compile_string_length(UChar* s ARG_UNUSED, int mb_len, int str_len,
+                          regex_t* reg ARG_UNUSED, int ignore_case)
+{
+  int len;
+  int op = select_str_opcode(mb_len, str_len, ignore_case);
+
+  len = SIZE_OPCODE;
+
+  if (op == OP_EXACTMBN)  len += SIZE_LENGTH;
+  if (IS_NEED_STR_LEN_OP_EXACT(op))
+    len += SIZE_LENGTH;
+
+  len += mb_len * str_len;
+  return len;
+}
+
+static int
+add_compile_string(UChar* s, int mb_len, int str_len,
+                   regex_t* reg, int ignore_case)
+{
+  int op = select_str_opcode(mb_len, str_len, ignore_case);
+  add_opcode(reg, op);
+
+  if (op == OP_EXACTMBN)
+    add_length(reg, mb_len);
+
+  if (IS_NEED_STR_LEN_OP_EXACT(op)) {
+    if (op == OP_EXACTN_IC)
+      add_length(reg, mb_len * str_len);
+    else
+      add_length(reg, str_len);
+  }
+
+  add_bytes(reg, s, mb_len * str_len);
+  return 0;
+}
+
+
+static int
+compile_length_string_node(Node* node, regex_t* reg)
+{
+  int rlen, r, len, prev_len, slen, ambig;
+  OnigEncoding enc = reg->enc;
+  UChar *p, *prev;
+  StrNode* sn;
+
+  sn = NSTR(node);
+  if (sn->end <= sn->s)
+    return 0;
+
+  ambig = NSTRING_IS_AMBIG(node);
+
+  p = prev = sn->s;
+  prev_len = enclen(enc, p);
+  p += prev_len;
+  slen = 1;
+  rlen = 0;
+
+  for (; p < sn->end; ) {
+    len = enclen(enc, p);
+    if (len == prev_len) {
+      slen++;
+    }
+    else {
+      r = add_compile_string_length(prev, prev_len, slen, reg, ambig);
+      rlen += r;
+      prev = p;
+      slen = 1;
+      prev_len = len;
+    }
+    p += len;
+  }
+  r = add_compile_string_length(prev, prev_len, slen, reg, ambig);
+  rlen += r;
+  return rlen;
+}
+
+static int
+compile_length_string_raw_node(StrNode* sn, regex_t* reg)
+{
+  if (sn->end <= sn->s)
+    return 0;
+
+  return add_compile_string_length(sn->s, 1 /* sb */, (int)(sn->end - sn->s), reg, 0);
+}
+
+static int
+compile_string_node(Node* node, regex_t* reg)
+{
+  int r, len, prev_len, slen, ambig;
+  OnigEncoding enc = reg->enc;
+  UChar *p, *prev, *end;
+  StrNode* sn;
+
+  sn = NSTR(node);
+  if (sn->end <= sn->s)
+    return 0;
+
+  end = sn->end;
+  ambig = NSTRING_IS_AMBIG(node);
+
+  p = prev = sn->s;
+  prev_len = enclen(enc, p);
+  p += prev_len;
+  slen = 1;
+
+  for (; p < end; ) {
+    len = enclen(enc, p);
+    if (len == prev_len) {
+      slen++;
+    }
+    else {
+      r = add_compile_string(prev, prev_len, slen, reg, ambig);
+      if (r) return r;
+
+      prev  = p;
+      slen  = 1;
+      prev_len = len;
+    }
+
+    p += len;
+  }
+  return add_compile_string(prev, prev_len, slen, reg, ambig);
+}
+
+static int
+compile_string_raw_node(StrNode* sn, regex_t* reg)
+{
+  if (sn->end <= sn->s)
+    return 0;
+
+  return add_compile_string(sn->s, 1 /* sb */, (int)(sn->end - sn->s), reg, 0);
+}
+
+static int
+add_multi_byte_cclass(BBuf* mbuf, regex_t* reg)
+{
+#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
+  add_length(reg, mbuf->used);
+  return add_bytes(reg, mbuf->p, mbuf->used);
+#else
+  int r, pad_size;
+  UChar* p = BBUF_GET_ADD_ADDRESS(reg) + SIZE_LENGTH;
+
+  GET_ALIGNMENT_PAD_SIZE(p, pad_size);
+  add_length(reg, mbuf->used + (WORD_ALIGNMENT_SIZE - 1));
+  if (pad_size != 0) add_bytes(reg, PadBuf, pad_size);
+
+  r = add_bytes(reg, mbuf->p, mbuf->used);
+
+  /* padding for return value from compile_length_cclass_node() to be fix. */
+  pad_size = (WORD_ALIGNMENT_SIZE - 1) - pad_size;
+  if (pad_size != 0) add_bytes(reg, PadBuf, pad_size);
+  return r;
+#endif
+}
+
+static int
+compile_length_cclass_node(CClassNode* cc, regex_t* reg)
+{
+  int len;
+
+  if (IS_NCCLASS_SHARE(cc)) {
+    len = SIZE_OPCODE + SIZE_POINTER;
+    return len;
+  }
+
+  if (IS_NULL(cc->mbuf)) {
+    len = SIZE_OPCODE + SIZE_BITSET;
+  }
+  else {
+    if (ONIGENC_MBC_MINLEN(reg->enc) > 1 || bitset_is_empty(cc->bs)) {
+      len = SIZE_OPCODE;
+    }
+    else {
+      len = SIZE_OPCODE + SIZE_BITSET;
+    }
+#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
+    len += SIZE_LENGTH + cc->mbuf->used;
+#else
+    len += SIZE_LENGTH + cc->mbuf->used + (WORD_ALIGNMENT_SIZE - 1);
+#endif
+  }
+
+  return len;
+}
+
+static int
+compile_cclass_node(CClassNode* cc, regex_t* reg)
+{
+  int r;
+
+  if (IS_NCCLASS_SHARE(cc)) {
+    add_opcode(reg, OP_CCLASS_NODE);
+    r = add_pointer(reg, cc);
+    return r;
+  }
+
+  if (IS_NULL(cc->mbuf)) {
+    if (IS_NCCLASS_NOT(cc))
+      add_opcode(reg, OP_CCLASS_NOT);
+    else
+      add_opcode(reg, OP_CCLASS);
+
+    r = add_bitset(reg, cc->bs);
+  }
+  else {
+    if (ONIGENC_MBC_MINLEN(reg->enc) > 1 || bitset_is_empty(cc->bs)) {
+      if (IS_NCCLASS_NOT(cc))
+        add_opcode(reg, OP_CCLASS_MB_NOT);
+      else
+        add_opcode(reg, OP_CCLASS_MB);
+
+      r = add_multi_byte_cclass(cc->mbuf, reg);
+    }
+    else {
+      if (IS_NCCLASS_NOT(cc))
+        add_opcode(reg, OP_CCLASS_MIX_NOT);
+      else
+        add_opcode(reg, OP_CCLASS_MIX);
+
+      r = add_bitset(reg, cc->bs);
+      if (r) return r;
+      r = add_multi_byte_cclass(cc->mbuf, reg);
+    }
+  }
+
+  return r;
+}
+
+static int
+entry_repeat_range(regex_t* reg, int id, int lower, int upper)
+{
+#define REPEAT_RANGE_ALLOC  4
+
+  OnigRepeatRange* p;
+
+  if (reg->repeat_range_alloc == 0) {
+    p = (OnigRepeatRange* )xmalloc(sizeof(OnigRepeatRange) * REPEAT_RANGE_ALLOC);
+    CHECK_NULL_RETURN_MEMERR(p);
+    reg->repeat_range = p;
+    reg->repeat_range_alloc = REPEAT_RANGE_ALLOC;
+  }
+  else if (reg->repeat_range_alloc <= id) {
+    int n;
+    n = reg->repeat_range_alloc + REPEAT_RANGE_ALLOC;
+    p = (OnigRepeatRange* )xrealloc(reg->repeat_range,
+                                    sizeof(OnigRepeatRange) * n,
+                                    sizeof(OnigRepeatRange) * reg->repeat_range_alloc);
+    CHECK_NULL_RETURN_MEMERR(p);
+    reg->repeat_range = p;
+    reg->repeat_range_alloc = n;
+  }
+  else {
+    p = reg->repeat_range;
+  }
+
+  p[id].lower = lower;
+  p[id].upper = (IS_REPEAT_INFINITE(upper) ? 0x7fffffff : upper);
+  return 0;
+}
+
+static int
+compile_range_repeat_node(QtfrNode* qn, int target_len, int empty_info,
+                          regex_t* reg)
+{
+  int r;
+  int num_repeat = reg->num_repeat;
+
+  r = add_opcode(reg, qn->greedy ? OP_REPEAT : OP_REPEAT_NG);
+  if (r) return r;
+  r = add_mem_num(reg, num_repeat); /* OP_REPEAT ID */
+  reg->num_repeat++;
+  if (r) return r;
+  r = add_rel_addr(reg, target_len + SIZE_OP_REPEAT_INC);
+  if (r) return r;
+
+  r = entry_repeat_range(reg, num_repeat, qn->lower, qn->upper);
+  if (r) return r;
+
+  r = compile_tree_empty_check(qn->target, reg, empty_info);
+  if (r) return r;
+
+  if (
+#ifdef USE_SUBEXP_CALL
+      reg->num_call > 0 ||
+#endif
+      IS_QUANTIFIER_IN_REPEAT(qn)) {
+    r = add_opcode(reg, qn->greedy ? OP_REPEAT_INC_SG : OP_REPEAT_INC_NG_SG);
+  }
+  else {
+    r = add_opcode(reg, qn->greedy ? OP_REPEAT_INC : OP_REPEAT_INC_NG);
+  }
+  if (r) return r;
+  r = add_mem_num(reg, num_repeat); /* OP_REPEAT ID */
+  return r;
+}
+
+static int
+is_anychar_star_quantifier(QtfrNode* qn)
+{
+  if (qn->greedy && IS_REPEAT_INFINITE(qn->upper) &&
+      NTYPE(qn->target) == NT_CANY)
+    return 1;
+  else
+    return 0;
+}
+
+#define QUANTIFIER_EXPAND_LIMIT_SIZE   50
+#define CKN_ON   (ckn > 0)
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+
+static int
+compile_length_quantifier_node(QtfrNode* qn, regex_t* reg)
+{
+  int len, mod_tlen, cklen;
+  int ckn;
+  int infinite = IS_REPEAT_INFINITE(qn->upper);
+  int empty_info = qn->target_empty_info;
+  int tlen = compile_length_tree(qn->target, reg);
+
+  if (tlen < 0) return tlen;
+
+  ckn = ((reg->num_comb_exp_check > 0) ? qn->comb_exp_check_num : 0);
+
+  cklen = (CKN_ON ? SIZE_STATE_CHECK_NUM: 0);
+
+  /* anychar repeat */
+  if (NTYPE(qn->target) == NT_CANY) {
+    if (qn->greedy && infinite) {
+      if (IS_NOT_NULL(qn->next_head_exact) && !CKN_ON)
+        return SIZE_OP_ANYCHAR_STAR_PEEK_NEXT + tlen * qn->lower + cklen;
+      else
+        return SIZE_OP_ANYCHAR_STAR + tlen * qn->lower + cklen;
+    }
+  }
+
+  if (empty_info != 0)
+    mod_tlen = tlen + (SIZE_OP_NULL_CHECK_START + SIZE_OP_NULL_CHECK_END);
+  else
+    mod_tlen = tlen;
+
+  if (infinite && qn->lower <= 1) {
+    if (qn->greedy) {
+      if (qn->lower == 1)
+	len = SIZE_OP_JUMP;
+      else
+	len = 0;
+
+      len += SIZE_OP_PUSH + cklen + mod_tlen + SIZE_OP_JUMP;
+    }
+    else {
+      if (qn->lower == 0)
+	len = SIZE_OP_JUMP;
+      else
+	len = 0;
+
+      len += mod_tlen + SIZE_OP_PUSH + cklen;
+    }
+  }
+  else if (qn->upper == 0) {
+    if (qn->is_refered != 0) /* /(?<n>..){0}/ */
+      len = SIZE_OP_JUMP + tlen;
+    else
+      len = 0;
+  }
+  else if (qn->upper == 1 && qn->greedy) {
+    if (qn->lower == 0) {
+      if (CKN_ON) {
+	len = SIZE_OP_STATE_CHECK_PUSH + tlen;
+      }
+      else {
+	len = SIZE_OP_PUSH + tlen;
+      }
+    }
+    else {
+      len = tlen;
+    }
+  }
+  else if (!qn->greedy && qn->upper == 1 && qn->lower == 0) { /* '??' */
+    len = SIZE_OP_PUSH + cklen + SIZE_OP_JUMP + tlen;
+  }
+  else {
+    len = SIZE_OP_REPEAT_INC
+        + mod_tlen + SIZE_OPCODE + SIZE_RELADDR + SIZE_MEMNUM;
+    if (CKN_ON)
+      len += SIZE_OP_STATE_CHECK;
+  }
+
+  return len;
+}
+
+static int
+compile_quantifier_node(QtfrNode* qn, regex_t* reg)
+{
+  int r, mod_tlen;
+  int ckn;
+  int infinite = IS_REPEAT_INFINITE(qn->upper);
+  int empty_info = qn->target_empty_info;
+  int tlen = compile_length_tree(qn->target, reg);
+
+  if (tlen < 0) return tlen;
+
+  ckn = ((reg->num_comb_exp_check > 0) ? qn->comb_exp_check_num : 0);
+
+  if (is_anychar_star_quantifier(qn)) {
+    r = compile_tree_n_times(qn->target, qn->lower, reg);
+    if (r) return r;
+    if (IS_NOT_NULL(qn->next_head_exact) && !CKN_ON) {
+      if (IS_MULTILINE(reg->options))
+	r = add_opcode(reg, OP_ANYCHAR_ML_STAR_PEEK_NEXT);
+      else
+	r = add_opcode(reg, OP_ANYCHAR_STAR_PEEK_NEXT);
+      if (r) return r;
+      if (CKN_ON) {
+	r = add_state_check_num(reg, ckn);
+	if (r) return r;
+      }
+
+      return add_bytes(reg, NSTR(qn->next_head_exact)->s, 1);
+    }
+    else {
+      if (IS_MULTILINE(reg->options)) {
+	r = add_opcode(reg, (CKN_ON ?
+			       OP_STATE_CHECK_ANYCHAR_ML_STAR
+			     : OP_ANYCHAR_ML_STAR));
+      }
+      else {
+	r = add_opcode(reg, (CKN_ON ?
+			       OP_STATE_CHECK_ANYCHAR_STAR
+			     : OP_ANYCHAR_STAR));
+      }
+      if (r) return r;
+      if (CKN_ON)
+	r = add_state_check_num(reg, ckn);
+
+      return r;
+    }
+  }
+
+  if (empty_info != 0)
+    mod_tlen = tlen + (SIZE_OP_NULL_CHECK_START + SIZE_OP_NULL_CHECK_END);
+  else
+    mod_tlen = tlen;
+
+  if (infinite && qn->lower <= 1) {
+    if (qn->greedy) {
+      if (qn->lower == 1) {
+	r = add_opcode_rel_addr(reg, OP_JUMP,
+			(CKN_ON ? SIZE_OP_STATE_CHECK_PUSH : SIZE_OP_PUSH));
+	if (r) return r;
+      }
+
+      if (CKN_ON) {
+	r = add_opcode(reg, OP_STATE_CHECK_PUSH);
+	if (r) return r;
+	r = add_state_check_num(reg, ckn);
+	if (r) return r;
+	r = add_rel_addr(reg, mod_tlen + SIZE_OP_JUMP);
+      }
+      else {
+	r = add_opcode_rel_addr(reg, OP_PUSH, mod_tlen + SIZE_OP_JUMP);
+      }
+      if (r) return r;
+      r = compile_tree_empty_check(qn->target, reg, empty_info);
+      if (r) return r;
+      r = add_opcode_rel_addr(reg, OP_JUMP,
+	      -(mod_tlen + (int )SIZE_OP_JUMP
+		+ (int )(CKN_ON ? SIZE_OP_STATE_CHECK_PUSH : SIZE_OP_PUSH)));
+    }
+    else {
+      if (qn->lower == 0) {
+	r = add_opcode_rel_addr(reg, OP_JUMP, mod_tlen);
+	if (r) return r;
+      }
+      r = compile_tree_empty_check(qn->target, reg, empty_info);
+      if (r) return r;
+      if (CKN_ON) {
+	r = add_opcode(reg, OP_STATE_CHECK_PUSH_OR_JUMP);
+	if (r) return r;
+	r = add_state_check_num(reg, ckn);
+	if (r) return r;
+	r = add_rel_addr(reg,
+		 -(mod_tlen + (int )SIZE_OP_STATE_CHECK_PUSH_OR_JUMP));
+      }
+      else
+	r = add_opcode_rel_addr(reg, OP_PUSH, -(mod_tlen + (int )SIZE_OP_PUSH));
+    }
+  }
+  else if (qn->upper == 0) {
+    if (qn->is_refered != 0) { /* /(?<n>..){0}/ */
+      r = add_opcode_rel_addr(reg, OP_JUMP, tlen);
+      if (r) return r;
+      r = compile_tree(qn->target, reg);
+    }
+    else
+      r = 0;
+  }
+  else if (qn->upper == 1 && qn->greedy) {
+    if (qn->lower == 0) {
+      if (CKN_ON) {
+	r = add_opcode(reg, OP_STATE_CHECK_PUSH);
+	if (r) return r;
+	r = add_state_check_num(reg, ckn);
+	if (r) return r;
+	r = add_rel_addr(reg, tlen);
+      }
+      else {
+	r = add_opcode_rel_addr(reg, OP_PUSH, tlen);
+      }
+      if (r) return r;
+    }
+
+    r = compile_tree(qn->target, reg);
+  }
+  else if (!qn->greedy && qn->upper == 1 && qn->lower == 0) { /* '??' */
+    if (CKN_ON) {
+      r = add_opcode(reg, OP_STATE_CHECK_PUSH);
+      if (r) return r;
+      r = add_state_check_num(reg, ckn);
+      if (r) return r;
+      r = add_rel_addr(reg, SIZE_OP_JUMP);
+    }
+    else {
+      r = add_opcode_rel_addr(reg, OP_PUSH, SIZE_OP_JUMP);
+    }
+
+    if (r) return r;
+    r = add_opcode_rel_addr(reg, OP_JUMP, tlen);
+    if (r) return r;
+    r = compile_tree(qn->target, reg);
+  }
+  else {
+    r = compile_range_repeat_node(qn, mod_tlen, empty_info, reg);
+    if (CKN_ON) {
+      if (r) return r;
+      r = add_opcode(reg, OP_STATE_CHECK);
+      if (r) return r;
+      r = add_state_check_num(reg, ckn);
+    }
+  }
+  return r;
+}
+
+#else /* USE_COMBINATION_EXPLOSION_CHECK */
+
+static int
+compile_length_quantifier_node(QtfrNode* qn, regex_t* reg)
+{
+  int len, mod_tlen;
+  int infinite = IS_REPEAT_INFINITE(qn->upper);
+  int empty_info = qn->target_empty_info;
+  int tlen = compile_length_tree(qn->target, reg);
+
+  if (tlen < 0) return tlen;
+
+  /* anychar repeat */
+  if (NTYPE(qn->target) == NT_CANY) {
+    if (qn->greedy && infinite) {
+      if (IS_NOT_NULL(qn->next_head_exact))
+        return SIZE_OP_ANYCHAR_STAR_PEEK_NEXT + tlen * qn->lower;
+      else
+        return SIZE_OP_ANYCHAR_STAR + tlen * qn->lower;
+    }
+  }
+
+  if (empty_info != 0)
+    mod_tlen = tlen + (SIZE_OP_NULL_CHECK_START + SIZE_OP_NULL_CHECK_END);
+  else
+    mod_tlen = tlen;
+
+  if (infinite &&
+      (qn->lower <= 1 || tlen * qn->lower <= QUANTIFIER_EXPAND_LIMIT_SIZE)) {
+    if (qn->lower == 1 && tlen > QUANTIFIER_EXPAND_LIMIT_SIZE) {
+      len = SIZE_OP_JUMP;
+    }
+    else {
+      len = tlen * qn->lower;
+    }
+
+    if (qn->greedy) {
+      if (IS_NOT_NULL(qn->head_exact))
+	len += SIZE_OP_PUSH_OR_JUMP_EXACT1 + mod_tlen + SIZE_OP_JUMP;
+      else if (IS_NOT_NULL(qn->next_head_exact))
+	len += SIZE_OP_PUSH_IF_PEEK_NEXT + mod_tlen + SIZE_OP_JUMP;
+      else
+	len += SIZE_OP_PUSH + mod_tlen + SIZE_OP_JUMP;
+    }
+    else
+      len += SIZE_OP_JUMP + mod_tlen + SIZE_OP_PUSH;
+  }
+  else if (qn->upper == 0 && qn->is_refered != 0) { /* /(?<n>..){0}/ */
+    len = SIZE_OP_JUMP + tlen;
+  }
+  else if (!infinite && qn->greedy &&
+           (qn->upper == 1 || (tlen + SIZE_OP_PUSH) * qn->upper
+                                      <= QUANTIFIER_EXPAND_LIMIT_SIZE)) {
+    len = tlen * qn->lower;
+    len += (SIZE_OP_PUSH + tlen) * (qn->upper - qn->lower);
+  }
+  else if (!qn->greedy && qn->upper == 1 && qn->lower == 0) { /* '??' */
+    len = SIZE_OP_PUSH + SIZE_OP_JUMP + tlen;
+  }
+  else {
+    len = SIZE_OP_REPEAT_INC
+        + mod_tlen + SIZE_OPCODE + SIZE_RELADDR + SIZE_MEMNUM;
+  }
+
+  return len;
+}
+
+static int
+compile_quantifier_node(QtfrNode* qn, regex_t* reg)
+{
+  int i, r, mod_tlen;
+  int infinite = IS_REPEAT_INFINITE(qn->upper);
+  int empty_info = qn->target_empty_info;
+  int tlen = compile_length_tree(qn->target, reg);
+
+  if (tlen < 0) return tlen;
+
+  if (is_anychar_star_quantifier(qn)) {
+    r = compile_tree_n_times(qn->target, qn->lower, reg);
+    if (r) return r;
+    if (IS_NOT_NULL(qn->next_head_exact)) {
+      if (IS_MULTILINE(reg->options))
+	r = add_opcode(reg, OP_ANYCHAR_ML_STAR_PEEK_NEXT);
+      else
+	r = add_opcode(reg, OP_ANYCHAR_STAR_PEEK_NEXT);
+      if (r) return r;
+      return add_bytes(reg, NSTR(qn->next_head_exact)->s, 1);
+    }
+    else {
+      if (IS_MULTILINE(reg->options))
+	return add_opcode(reg, OP_ANYCHAR_ML_STAR);
+      else
+	return add_opcode(reg, OP_ANYCHAR_STAR);
+    }
+  }
+
+  if (empty_info != 0)
+    mod_tlen = tlen + (SIZE_OP_NULL_CHECK_START + SIZE_OP_NULL_CHECK_END);
+  else
+    mod_tlen = tlen;
+
+  if (infinite &&
+      (qn->lower <= 1 || tlen * qn->lower <= QUANTIFIER_EXPAND_LIMIT_SIZE)) {
+    if (qn->lower == 1 && tlen > QUANTIFIER_EXPAND_LIMIT_SIZE) {
+      if (qn->greedy) {
+	if (IS_NOT_NULL(qn->head_exact))
+	  r = add_opcode_rel_addr(reg, OP_JUMP, SIZE_OP_PUSH_OR_JUMP_EXACT1);
+	else if (IS_NOT_NULL(qn->next_head_exact))
+	  r = add_opcode_rel_addr(reg, OP_JUMP, SIZE_OP_PUSH_IF_PEEK_NEXT);
+	else
+	  r = add_opcode_rel_addr(reg, OP_JUMP, SIZE_OP_PUSH);
+      }
+      else {
+	r = add_opcode_rel_addr(reg, OP_JUMP, SIZE_OP_JUMP);
+      }
+      if (r) return r;
+    }
+    else {
+      r = compile_tree_n_times(qn->target, qn->lower, reg);
+      if (r) return r;
+    }
+
+    if (qn->greedy) {
+      if (IS_NOT_NULL(qn->head_exact)) {
+	r = add_opcode_rel_addr(reg, OP_PUSH_OR_JUMP_EXACT1,
+			     mod_tlen + SIZE_OP_JUMP);
+	if (r) return r;
+	add_bytes(reg, NSTR(qn->head_exact)->s, 1);
+	r = compile_tree_empty_check(qn->target, reg, empty_info);
+	if (r) return r;
+	r = add_opcode_rel_addr(reg, OP_JUMP,
+	-(mod_tlen + (int )SIZE_OP_JUMP + (int )SIZE_OP_PUSH_OR_JUMP_EXACT1));
+      }
+      else if (IS_NOT_NULL(qn->next_head_exact)) {
+	r = add_opcode_rel_addr(reg, OP_PUSH_IF_PEEK_NEXT,
+				mod_tlen + SIZE_OP_JUMP);
+	if (r) return r;
+	add_bytes(reg, NSTR(qn->next_head_exact)->s, 1);
+	r = compile_tree_empty_check(qn->target, reg, empty_info);
+	if (r) return r;
+	r = add_opcode_rel_addr(reg, OP_JUMP,
+          -(mod_tlen + (int )SIZE_OP_JUMP + (int )SIZE_OP_PUSH_IF_PEEK_NEXT));
+      }
+      else {
+	r = add_opcode_rel_addr(reg, OP_PUSH, mod_tlen + SIZE_OP_JUMP);
+	if (r) return r;
+	r = compile_tree_empty_check(qn->target, reg, empty_info);
+	if (r) return r;
+	r = add_opcode_rel_addr(reg, OP_JUMP,
+		     -(mod_tlen + (int )SIZE_OP_JUMP + (int )SIZE_OP_PUSH));
+      }
+    }
+    else {
+      r = add_opcode_rel_addr(reg, OP_JUMP, mod_tlen);
+      if (r) return r;
+      r = compile_tree_empty_check(qn->target, reg, empty_info);
+      if (r) return r;
+      r = add_opcode_rel_addr(reg, OP_PUSH, -(mod_tlen + (int )SIZE_OP_PUSH));
+    }
+  }
+  else if (qn->upper == 0 && qn->is_refered != 0) { /* /(?<n>..){0}/ */
+    r = add_opcode_rel_addr(reg, OP_JUMP, tlen);
+    if (r) return r;
+    r = compile_tree(qn->target, reg);
+  }
+  else if (!infinite && qn->greedy &&
+           (qn->upper == 1 || (tlen + SIZE_OP_PUSH) * qn->upper
+                                  <= QUANTIFIER_EXPAND_LIMIT_SIZE)) {
+    int n = qn->upper - qn->lower;
+
+    r = compile_tree_n_times(qn->target, qn->lower, reg);
+    if (r) return r;
+
+    for (i = 0; i < n; i++) {
+      r = add_opcode_rel_addr(reg, OP_PUSH,
+			   (n - i) * tlen + (n - i - 1) * SIZE_OP_PUSH);
+      if (r) return r;
+      r = compile_tree(qn->target, reg);
+      if (r) return r;
+    }
+  }
+  else if (!qn->greedy && qn->upper == 1 && qn->lower == 0) { /* '??' */
+    r = add_opcode_rel_addr(reg, OP_PUSH, SIZE_OP_JUMP);
+    if (r) return r;
+    r = add_opcode_rel_addr(reg, OP_JUMP, tlen);
+    if (r) return r;
+    r = compile_tree(qn->target, reg);
+  }
+  else {
+    r = compile_range_repeat_node(qn, mod_tlen, empty_info, reg);
+  }
+  return r;
+}
+#endif /* USE_COMBINATION_EXPLOSION_CHECK */
+
+static int
+compile_length_option_node(EncloseNode* node, regex_t* reg)
+{
+  int tlen;
+  OnigOptionType prev = reg->options;
+
+  reg->options = node->option;
+  tlen = compile_length_tree(node->target, reg);
+  reg->options = prev;
+
+  if (tlen < 0) return tlen;
+
+  if (IS_DYNAMIC_OPTION(prev ^ node->option)) {
+    return SIZE_OP_SET_OPTION_PUSH + SIZE_OP_SET_OPTION + SIZE_OP_FAIL
+           + tlen + SIZE_OP_SET_OPTION;
+  }
+  else
+    return tlen;
+}
+
+static int
+compile_option_node(EncloseNode* node, regex_t* reg)
+{
+  int r;
+  OnigOptionType prev = reg->options;
+
+  if (IS_DYNAMIC_OPTION(prev ^ node->option)) {
+    r = add_opcode_option(reg, OP_SET_OPTION_PUSH, node->option);
+    if (r) return r;
+    r = add_opcode_option(reg, OP_SET_OPTION, prev);
+    if (r) return r;
+    r = add_opcode(reg, OP_FAIL);
+    if (r) return r;
+  }
+
+  reg->options = node->option;
+  r = compile_tree(node->target, reg);
+  reg->options = prev;
+
+  if (IS_DYNAMIC_OPTION(prev ^ node->option)) {
+    if (r) return r;
+    r = add_opcode_option(reg, OP_SET_OPTION, prev);
+  }
+  return r;
+}
+
+static int
+compile_length_enclose_node(EncloseNode* node, regex_t* reg)
+{
+  int len;
+  int tlen;
+
+  if (node->type == ENCLOSE_OPTION)
+    return compile_length_option_node(node, reg);
+
+  if (node->target) {
+    tlen = compile_length_tree(node->target, reg);
+    if (tlen < 0) return tlen;
+  }
+  else
+    tlen = 0;
+
+  switch (node->type) {
+  case ENCLOSE_MEMORY:
+#ifdef USE_SUBEXP_CALL
+    if (IS_ENCLOSE_CALLED(node)) {
+      len = SIZE_OP_MEMORY_START_PUSH + tlen
+	  + SIZE_OP_CALL + SIZE_OP_JUMP + SIZE_OP_RETURN;
+      if (BIT_STATUS_AT(reg->bt_mem_end, node->regnum))
+	len += (IS_ENCLOSE_RECURSION(node)
+		? SIZE_OP_MEMORY_END_PUSH_REC : SIZE_OP_MEMORY_END_PUSH);
+      else
+	len += (IS_ENCLOSE_RECURSION(node)
+		? SIZE_OP_MEMORY_END_REC : SIZE_OP_MEMORY_END);
+    }
+    else
+#endif
+    {
+      if (BIT_STATUS_AT(reg->bt_mem_start, node->regnum))
+	len = SIZE_OP_MEMORY_START_PUSH;
+      else
+	len = SIZE_OP_MEMORY_START;
+
+      len += tlen + (BIT_STATUS_AT(reg->bt_mem_end, node->regnum)
+		     ? SIZE_OP_MEMORY_END_PUSH : SIZE_OP_MEMORY_END);
+    }
+    break;
+
+  case ENCLOSE_STOP_BACKTRACK:
+    if (IS_ENCLOSE_STOP_BT_SIMPLE_REPEAT(node)) {
+      QtfrNode* qn = NQTFR(node->target);
+      tlen = compile_length_tree(qn->target, reg);
+      if (tlen < 0) return tlen;
+
+      len = tlen * qn->lower
+	  + SIZE_OP_PUSH + tlen + SIZE_OP_POP + SIZE_OP_JUMP;
+    }
+    else {
+      len = SIZE_OP_PUSH_STOP_BT + tlen + SIZE_OP_POP_STOP_BT;
+    }
+    break;
+
+  default:
+    return ONIGERR_TYPE_BUG;
+    break;
+  }
+
+  return len;
+}
+
+static int get_char_length_tree(Node* node, regex_t* reg, int* len);
+
+static int
+compile_enclose_node(EncloseNode* node, regex_t* reg)
+{
+  int r, len;
+
+  if (node->type == ENCLOSE_OPTION)
+    return compile_option_node(node, reg);
+
+  switch (node->type) {
+  case ENCLOSE_MEMORY:
+#ifdef USE_SUBEXP_CALL
+    if (IS_ENCLOSE_CALLED(node)) {
+      r = add_opcode(reg, OP_CALL);
+      if (r) return r;
+      node->call_addr = BBUF_GET_OFFSET_POS(reg) + SIZE_ABSADDR + SIZE_OP_JUMP;
+      node->state |= NST_ADDR_FIXED;
+      r = add_abs_addr(reg, (int )node->call_addr);
+      if (r) return r;
+      len = compile_length_tree(node->target, reg);
+      len += (SIZE_OP_MEMORY_START_PUSH + SIZE_OP_RETURN);
+      if (BIT_STATUS_AT(reg->bt_mem_end, node->regnum))
+	len += (IS_ENCLOSE_RECURSION(node)
+		? SIZE_OP_MEMORY_END_PUSH_REC : SIZE_OP_MEMORY_END_PUSH);
+      else
+	len += (IS_ENCLOSE_RECURSION(node)
+		? SIZE_OP_MEMORY_END_REC : SIZE_OP_MEMORY_END);
+
+      r = add_opcode_rel_addr(reg, OP_JUMP, len);
+      if (r) return r;
+    }
+#endif
+    if (BIT_STATUS_AT(reg->bt_mem_start, node->regnum))
+      r = add_opcode(reg, OP_MEMORY_START_PUSH);
+    else
+      r = add_opcode(reg, OP_MEMORY_START);
+    if (r) return r;
+    r = add_mem_num(reg, node->regnum);
+    if (r) return r;
+    r = compile_tree(node->target, reg);
+    if (r) return r;
+#ifdef USE_SUBEXP_CALL
+    if (IS_ENCLOSE_CALLED(node)) {
+      if (BIT_STATUS_AT(reg->bt_mem_end, node->regnum))
+	r = add_opcode(reg, (IS_ENCLOSE_RECURSION(node)
+			     ? OP_MEMORY_END_PUSH_REC : OP_MEMORY_END_PUSH));
+      else
+	r = add_opcode(reg, (IS_ENCLOSE_RECURSION(node)
+			     ? OP_MEMORY_END_REC : OP_MEMORY_END));
+
+      if (r) return r;
+      r = add_mem_num(reg, node->regnum);
+      if (r) return r;
+      r = add_opcode(reg, OP_RETURN);
+    }
+    else
+#endif
+    {
+      if (BIT_STATUS_AT(reg->bt_mem_end, node->regnum))
+	r = add_opcode(reg, OP_MEMORY_END_PUSH);
+      else
+	r = add_opcode(reg, OP_MEMORY_END);
+      if (r) return r;
+      r = add_mem_num(reg, node->regnum);
+    }
+    break;
+
+  case ENCLOSE_STOP_BACKTRACK:
+    if (IS_ENCLOSE_STOP_BT_SIMPLE_REPEAT(node)) {
+      QtfrNode* qn = NQTFR(node->target);
+      r = compile_tree_n_times(qn->target, qn->lower, reg);
+      if (r) return r;
+
+      len = compile_length_tree(qn->target, reg);
+      if (len < 0) return len;
+
+      r = add_opcode_rel_addr(reg, OP_PUSH, len + SIZE_OP_POP + SIZE_OP_JUMP);
+      if (r) return r;
+      r = compile_tree(qn->target, reg);
+      if (r) return r;
+      r = add_opcode(reg, OP_POP);
+      if (r) return r;
+      r = add_opcode_rel_addr(reg, OP_JUMP,
+	 -((int )SIZE_OP_PUSH + len + (int )SIZE_OP_POP + (int )SIZE_OP_JUMP));
+    }
+    else {
+      r = add_opcode(reg, OP_PUSH_STOP_BT);
+      if (r) return r;
+      r = compile_tree(node->target, reg);
+      if (r) return r;
+      r = add_opcode(reg, OP_POP_STOP_BT);
+    }
+    break;
+
+  default:
+    return ONIGERR_TYPE_BUG;
+    break;
+  }
+
+  return r;
+}
+
+static int
+compile_length_anchor_node(AnchorNode* node, regex_t* reg)
+{
+  int len;
+  int tlen = 0;
+
+  if (node->target) {
+    tlen = compile_length_tree(node->target, reg);
+    if (tlen < 0) return tlen;
+  }
+
+  switch (node->type) {
+  case ANCHOR_PREC_READ:
+    len = SIZE_OP_PUSH_POS + tlen + SIZE_OP_POP_POS;
+    break;
+  case ANCHOR_PREC_READ_NOT:
+    len = SIZE_OP_PUSH_POS_NOT + tlen + SIZE_OP_FAIL_POS;
+    break;
+  case ANCHOR_LOOK_BEHIND:
+    len = SIZE_OP_LOOK_BEHIND + tlen;
+    break;
+  case ANCHOR_LOOK_BEHIND_NOT:
+    len = SIZE_OP_PUSH_LOOK_BEHIND_NOT + tlen + SIZE_OP_FAIL_LOOK_BEHIND_NOT;
+    break;
+
+  default:
+    len = SIZE_OPCODE;
+    break;
+  }
+
+  return len;
+}
+
+static int
+compile_anchor_node(AnchorNode* node, regex_t* reg)
+{
+  int r, len;
+
+  switch (node->type) {
+  case ANCHOR_BEGIN_BUF:      r = add_opcode(reg, OP_BEGIN_BUF);      break;
+  case ANCHOR_END_BUF:        r = add_opcode(reg, OP_END_BUF);        break;
+  case ANCHOR_BEGIN_LINE:     r = add_opcode(reg, OP_BEGIN_LINE);     break;
+  case ANCHOR_END_LINE:       r = add_opcode(reg, OP_END_LINE);       break;
+  case ANCHOR_SEMI_END_BUF:   r = add_opcode(reg, OP_SEMI_END_BUF);   break;
+  case ANCHOR_BEGIN_POSITION: r = add_opcode(reg, OP_BEGIN_POSITION); break;
+
+  case ANCHOR_WORD_BOUND:     r = add_opcode(reg, OP_WORD_BOUND);     break;
+  case ANCHOR_NOT_WORD_BOUND: r = add_opcode(reg, OP_NOT_WORD_BOUND); break;
+#ifdef USE_WORD_BEGIN_END
+  case ANCHOR_WORD_BEGIN:     r = add_opcode(reg, OP_WORD_BEGIN);     break;
+  case ANCHOR_WORD_END:       r = add_opcode(reg, OP_WORD_END);       break;
+#endif
+
+  case ANCHOR_PREC_READ:
+    r = add_opcode(reg, OP_PUSH_POS);
+    if (r) return r;
+    r = compile_tree(node->target, reg);
+    if (r) return r;
+    r = add_opcode(reg, OP_POP_POS);
+    break;
+
+  case ANCHOR_PREC_READ_NOT:
+    len = compile_length_tree(node->target, reg);
+    if (len < 0) return len;
+    r = add_opcode_rel_addr(reg, OP_PUSH_POS_NOT, len + SIZE_OP_FAIL_POS);
+    if (r) return r;
+    r = compile_tree(node->target, reg);
+    if (r) return r;
+    r = add_opcode(reg, OP_FAIL_POS);
+    break;
+
+  case ANCHOR_LOOK_BEHIND:
+    {
+      int n;
+      r = add_opcode(reg, OP_LOOK_BEHIND);
+      if (r) return r;
+      if (node->char_len < 0) {
+	r = get_char_length_tree(node->target, reg, &n);
+	if (r) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;
+      }
+      else
+	n = node->char_len;
+      r = add_length(reg, n);
+      if (r) return r;
+      r = compile_tree(node->target, reg);
+    }
+    break;
+
+  case ANCHOR_LOOK_BEHIND_NOT:
+    {
+      int n;
+      len = compile_length_tree(node->target, reg);
+      r = add_opcode_rel_addr(reg, OP_PUSH_LOOK_BEHIND_NOT,
+			   len + SIZE_OP_FAIL_LOOK_BEHIND_NOT);
+      if (r) return r;
+      if (node->char_len < 0) {
+	r = get_char_length_tree(node->target, reg, &n);
+	if (r) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;
+      }
+      else
+	n = node->char_len;
+      r = add_length(reg, n);
+      if (r) return r;
+      r = compile_tree(node->target, reg);
+      if (r) return r;
+      r = add_opcode(reg, OP_FAIL_LOOK_BEHIND_NOT);
+    }
+    break;
+
+  default:
+    return ONIGERR_TYPE_BUG;
+    break;
+  }
+
+  return r;
+}
+
+static int
+compile_length_tree(Node* node, regex_t* reg)
+{
+  int len, type, r;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+    len = 0;
+    do {
+      r = compile_length_tree(NCAR(node), reg);
+      if (r < 0) return r;
+      len += r;
+    } while (IS_NOT_NULL(node = NCDR(node)));
+    r = len;
+    break;
+
+  case NT_ALT:
+    {
+      int n;
+
+      n = r = 0;
+      do {
+	r += compile_length_tree(NCAR(node), reg);
+	n++;
+      } while (IS_NOT_NULL(node = NCDR(node)));
+      r += (SIZE_OP_PUSH + SIZE_OP_JUMP) * (n - 1);
+    }
+    break;
+
+  case NT_STR:
+    if (NSTRING_IS_RAW(node))
+      r = compile_length_string_raw_node(NSTR(node), reg);
+    else
+      r = compile_length_string_node(node, reg);
+    break;
+
+  case NT_CCLASS:
+    r = compile_length_cclass_node(NCCLASS(node), reg);
+    break;
+
+  case NT_CTYPE:
+  case NT_CANY:
+    r = SIZE_OPCODE;
+    break;
+
+  case NT_BREF:
+    {
+      BRefNode* br = NBREF(node);
+
+#ifdef USE_BACKREF_WITH_LEVEL
+      if (IS_BACKREF_NEST_LEVEL(br)) {
+        r = SIZE_OPCODE + SIZE_OPTION + SIZE_LENGTH +
+            SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
+      }
+      else
+#endif
+      if (br->back_num == 1) {
+	r = ((!IS_IGNORECASE(reg->options) && br->back_static[0] <= 2)
+	     ? SIZE_OPCODE : (SIZE_OPCODE + SIZE_MEMNUM));
+      }
+      else {
+	r = SIZE_OPCODE + SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
+      }
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    r = SIZE_OP_CALL;
+    break;
+#endif
+
+  case NT_QTFR:
+    r = compile_length_quantifier_node(NQTFR(node), reg);
+    break;
+
+  case NT_ENCLOSE:
+    r = compile_length_enclose_node(NENCLOSE(node), reg);
+    break;
+
+  case NT_ANCHOR:
+    r = compile_length_anchor_node(NANCHOR(node), reg);
+    break;
+
+  default:
+    return ONIGERR_TYPE_BUG;
+    break;
+  }
+
+  return r;
+}
+
+static int
+compile_tree(Node* node, regex_t* reg)
+{
+  int n, type, len, pos, r = 0;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+    do {
+      r = compile_tree(NCAR(node), reg);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_ALT:
+    {
+      Node* x = node;
+      len = 0;
+      do {
+	len += compile_length_tree(NCAR(x), reg);
+	if (NCDR(x) != NULL) {
+	  len += SIZE_OP_PUSH + SIZE_OP_JUMP;
+	}
+      } while (IS_NOT_NULL(x = NCDR(x)));
+      pos = reg->used + len;  /* goal position */
+
+      do {
+	len = compile_length_tree(NCAR(node), reg);
+	if (IS_NOT_NULL(NCDR(node))) {
+	  r = add_opcode_rel_addr(reg, OP_PUSH, len + SIZE_OP_JUMP);
+	  if (r) break;
+	}
+	r = compile_tree(NCAR(node), reg);
+	if (r) break;
+	if (IS_NOT_NULL(NCDR(node))) {
+	  len = pos - (reg->used + SIZE_OP_JUMP);
+	  r = add_opcode_rel_addr(reg, OP_JUMP, len);
+	  if (r) break;
+	}
+      } while (IS_NOT_NULL(node = NCDR(node)));
+    }
+    break;
+
+  case NT_STR:
+    if (NSTRING_IS_RAW(node))
+      r = compile_string_raw_node(NSTR(node), reg);
+    else
+      r = compile_string_node(node, reg);
+    break;
+
+  case NT_CCLASS:
+    r = compile_cclass_node(NCCLASS(node), reg);
+    break;
+
+  case NT_CTYPE:
+    {
+      int op;
+
+      switch (NCTYPE(node)->ctype) {
+      case ONIGENC_CTYPE_WORD:
+	if (NCTYPE(node)->not != 0)  op = OP_NOT_WORD;
+	else                         op = OP_WORD;
+	break;
+      default:
+	return ONIGERR_TYPE_BUG;
+	break;
+      }
+      r = add_opcode(reg, op);
+    }
+    break;
+
+  case NT_CANY:
+    if (IS_MULTILINE(reg->options))
+      r = add_opcode(reg, OP_ANYCHAR_ML);
+    else
+      r = add_opcode(reg, OP_ANYCHAR);
+    break;
+
+  case NT_BREF:
+    {
+      BRefNode* br = NBREF(node);
+
+#ifdef USE_BACKREF_WITH_LEVEL
+      if (IS_BACKREF_NEST_LEVEL(br)) {
+	r = add_opcode(reg, OP_BACKREF_WITH_LEVEL);
+	if (r) return r;
+	r = add_option(reg, (reg->options & ONIG_OPTION_IGNORECASE));
+	if (r) return r;
+	r = add_length(reg, br->nest_level);
+	if (r) return r;
+
+	goto add_bacref_mems;
+      }
+      else
+#endif
+      if (br->back_num == 1) {
+	n = br->back_static[0];
+	if (IS_IGNORECASE(reg->options)) {
+	  r = add_opcode(reg, OP_BACKREFN_IC);
+	  if (r) return r;
+	  r = add_mem_num(reg, n);
+	}
+	else {
+	  switch (n) {
+	  case 1:  r = add_opcode(reg, OP_BACKREF1); break;
+	  case 2:  r = add_opcode(reg, OP_BACKREF2); break;
+	  default:
+	    r = add_opcode(reg, OP_BACKREFN);
+	    if (r) return r;
+	    r = add_mem_num(reg, n);
+	    break;
+	  }
+	}
+      }
+      else {
+	int i;
+	int* p;
+
+        if (IS_IGNORECASE(reg->options)) {
+          r = add_opcode(reg, OP_BACKREF_MULTI_IC);
+        }
+        else {
+          r = add_opcode(reg, OP_BACKREF_MULTI);
+        }
+	if (r) return r;
+
+#ifdef USE_BACKREF_WITH_LEVEL
+      add_bacref_mems:
+#endif
+	r = add_length(reg, br->back_num);
+	if (r) return r;
+	p = BACKREFS_P(br);
+	for (i = br->back_num - 1; i >= 0; i--) {
+	  r = add_mem_num(reg, p[i]);
+	  if (r) return r;
+	}
+      }
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    r = compile_call(NCALL(node), reg);
+    break;
+#endif
+
+  case NT_QTFR:
+    r = compile_quantifier_node(NQTFR(node), reg);
+    break;
+
+  case NT_ENCLOSE:
+    r = compile_enclose_node(NENCLOSE(node), reg);
+    break;
+
+  case NT_ANCHOR:
+    r = compile_anchor_node(NANCHOR(node), reg);
+    break;
+
+  default:
+#ifdef ONIG_DEBUG
+    fprintf(stderr, "compile_tree: undefined node type %d\n", NTYPE(node));
+#endif
+    break;
+  }
+
+  return r;
+}
+
+#ifdef USE_NAMED_GROUP
+
+static int
+noname_disable_map(Node** plink, GroupNumRemap* map, int* counter)
+{
+  int r = 0;
+  Node* node = *plink;
+
+  switch (NTYPE(node)) {
+  case NT_LIST:
+  case NT_ALT:
+    do {
+      r = noname_disable_map(&(NCAR(node)), map, counter);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_QTFR:
+    {
+      Node** ptarget = &(NQTFR(node)->target);
+      Node*  old = *ptarget;
+      r = noname_disable_map(ptarget, map, counter);
+      if (*ptarget != old && NTYPE(*ptarget) == NT_QTFR) {
+	onig_reduce_nested_quantifier(node, *ptarget);
+      }
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+      if (en->type == ENCLOSE_MEMORY) {
+	if (IS_ENCLOSE_NAMED_GROUP(en)) {
+	  (*counter)++;
+	  map[en->regnum].new_val = *counter;
+	  en->regnum = *counter;
+	  r = noname_disable_map(&(en->target), map, counter);
+	}
+	else {
+	  *plink = en->target;
+	  en->target = NULL_NODE;
+	  onig_node_free(node);
+	  r = noname_disable_map(plink, map, counter);
+	}
+      }
+      else
+	r = noname_disable_map(&(en->target), map, counter);
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+static int
+renumber_node_backref(Node* node, GroupNumRemap* map)
+{
+  int i, pos, n, old_num;
+  int *backs;
+  BRefNode* bn = NBREF(node);
+
+  if (! IS_BACKREF_NAME_REF(bn))
+    return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;
+
+  old_num = bn->back_num;
+  if (IS_NULL(bn->back_dynamic))
+    backs = bn->back_static;
+  else
+    backs = bn->back_dynamic;
+
+  for (i = 0, pos = 0; i < old_num; i++) {
+    n = map[backs[i]].new_val;
+    if (n > 0) {
+      backs[pos] = n;
+      pos++;
+    }
+  }
+
+  bn->back_num = pos;
+  return 0;
+}
+
+static int
+renumber_by_map(Node* node, GroupNumRemap* map)
+{
+  int r = 0;
+
+  switch (NTYPE(node)) {
+  case NT_LIST:
+  case NT_ALT:
+    do {
+      r = renumber_by_map(NCAR(node), map);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+  case NT_QTFR:
+    r = renumber_by_map(NQTFR(node)->target, map);
+    break;
+  case NT_ENCLOSE:
+    r = renumber_by_map(NENCLOSE(node)->target, map);
+    break;
+
+  case NT_BREF:
+    r = renumber_node_backref(node, map);
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+static int
+numbered_ref_check(Node* node)
+{
+  int r = 0;
+
+  switch (NTYPE(node)) {
+  case NT_LIST:
+  case NT_ALT:
+    do {
+      r = numbered_ref_check(NCAR(node));
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+  case NT_QTFR:
+    r = numbered_ref_check(NQTFR(node)->target);
+    break;
+  case NT_ENCLOSE:
+    r = numbered_ref_check(NENCLOSE(node)->target);
+    break;
+
+  case NT_BREF:
+    if (! IS_BACKREF_NAME_REF(NBREF(node)))
+      return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+static int
+disable_noname_group_capture(Node** root, regex_t* reg, ScanEnv* env)
+{
+  int r, i, pos, counter;
+  int Result;
+  BitStatusType loc;
+  GroupNumRemap* map;
+
+  map = (GroupNumRemap* )xmalloc(sizeof(GroupNumRemap) * (env->num_mem + 1));
+  CHECK_NULL_RETURN_MEMERR(map);
+  for (i = 1; i <= env->num_mem; i++) {
+    map[i].new_val = 0;
+  }
+  counter = 0;
+  r = noname_disable_map(root, map, &counter);
+  if (r != 0) return r;
+
+  r = renumber_by_map(*root, map);
+  if (r != 0) return r;
+
+  for (i = 1, pos = 1; i <= env->num_mem; i++) {
+    if (map[i].new_val > 0) {
+      SCANENV_MEM_NODES(env)[pos] = SCANENV_MEM_NODES(env)[i];
+      pos++;
+    }
+  }
+
+  loc = env->capture_history;
+  BIT_STATUS_CLEAR(env->capture_history);
+  for (i = 1; i <= ONIG_MAX_CAPTURE_HISTORY_GROUP; i++) {
+    if (BIT_STATUS_AT(loc, i)) {
+      BIT_STATUS_ON_AT_SIMPLE(env->capture_history, map[i].new_val);
+    }
+  }
+
+  env->num_mem = env->num_named;
+  reg->num_mem = env->num_named;
+
+  Result = onig_renumber_name_table(reg, map);
+  xfree(map);
+  return Result;
+}
+#endif /* USE_NAMED_GROUP */
+
+#ifdef USE_SUBEXP_CALL
+static int
+unset_addr_list_fix(UnsetAddrList* uslist, regex_t* reg)
+{
+  int i, offset;
+  EncloseNode* en;
+  AbsAddrType addr;
+
+  for (i = 0; i < uslist->num; i++) {
+    en = NENCLOSE(uslist->us[i].target);
+    if (! IS_ENCLOSE_ADDR_FIXED(en)) return ONIGERR_PARSER_BUG;
+    addr = en->call_addr;
+    offset = uslist->us[i].offset;
+
+    BBUF_WRITE(reg, offset, &addr, SIZE_ABSADDR);
+  }
+  return 0;
+}
+#endif
+
+#ifdef USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT
+static int
+quantifiers_memory_node_info(Node* node)
+{
+  int r = 0;
+
+  switch (NTYPE(node)) {
+  case NT_LIST:
+  case NT_ALT:
+    {
+      int v;
+      do {
+	v = quantifiers_memory_node_info(NCAR(node));
+	if (v > r) r = v;
+      } while (v >= 0 && IS_NOT_NULL(node = NCDR(node)));
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    if (IS_CALL_RECURSION(NCALL(node))) {
+      return NQ_TARGET_IS_EMPTY_REC; /* tiny version */
+    }
+    else
+      r = quantifiers_memory_node_info(NCALL(node)->target);
+    break;
+#endif
+
+  case NT_QTFR:
+    {
+      QtfrNode* qn = NQTFR(node);
+      if (qn->upper != 0) {
+	r = quantifiers_memory_node_info(qn->target);
+      }
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+      switch (en->type) {
+      case ENCLOSE_MEMORY:
+	return NQ_TARGET_IS_EMPTY_MEM;
+	break;
+
+      case ENCLOSE_OPTION:
+      case ENCLOSE_STOP_BACKTRACK:
+	r = quantifiers_memory_node_info(en->target);
+	break;
+      default:
+	break;
+      }
+    }
+    break;
+
+  case NT_BREF:
+  case NT_STR:
+  case NT_CTYPE:
+  case NT_CCLASS:
+  case NT_CANY:
+  case NT_ANCHOR:
+  default:
+    break;
+  }
+
+  return r;
+}
+#endif /* USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT */
+
+static int
+get_min_match_length(Node* node, OnigDistance *min, ScanEnv* env)
+{
+  OnigDistance tmin;
+  int r = 0;
+
+  *min = 0;
+  switch (NTYPE(node)) {
+  case NT_BREF:
+    {
+      int i;
+      int* backs;
+      Node** nodes = SCANENV_MEM_NODES(env);
+      BRefNode* br = NBREF(node);
+      if (br->state & NST_RECURSION) break;
+
+      backs = BACKREFS_P(br);
+      if (backs[0] > env->num_mem)  return ONIGERR_INVALID_BACKREF;
+      r = get_min_match_length(nodes[backs[0]], min, env);
+      if (r != 0) break;
+      for (i = 1; i < br->back_num; i++) {
+	if (backs[i] > env->num_mem)  return ONIGERR_INVALID_BACKREF;
+	r = get_min_match_length(nodes[backs[i]], &tmin, env);
+	if (r != 0) break;
+	if (*min > tmin) *min = tmin;
+      }
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    if (IS_CALL_RECURSION(NCALL(node))) {
+      EncloseNode* en = NENCLOSE(NCALL(node)->target);
+      if (IS_ENCLOSE_MIN_FIXED(en))
+	*min = en->min_len;
+    }
+    else
+      r = get_min_match_length(NCALL(node)->target, min, env);
+    break;
+#endif
+
+  case NT_LIST:
+    do {
+      r = get_min_match_length(NCAR(node), &tmin, env);
+      if (r == 0) *min += tmin;
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_ALT:
+    {
+      Node *x, *y;
+      y = node;
+      do {
+	x = NCAR(y);
+	r = get_min_match_length(x, &tmin, env);
+	if (r != 0) break;
+	if (y == node) *min = tmin;
+	else if (*min > tmin) *min = tmin;
+      } while (r == 0 && IS_NOT_NULL(y = NCDR(y)));
+    }
+    break;
+
+  case NT_STR:
+    {
+      StrNode* sn = NSTR(node);
+      *min = (OnigDistance)(sn->end - sn->s);
+    }
+    break;
+
+  case NT_CTYPE:
+    *min = 1;
+    break;
+
+  case NT_CCLASS:
+  case NT_CANY:
+    *min = 1;
+    break;
+
+  case NT_QTFR:
+    {
+      QtfrNode* qn = NQTFR(node);
+
+      if (qn->lower > 0) {
+	r = get_min_match_length(qn->target, min, env);
+	if (r == 0)
+	  *min = distance_multiply(*min, qn->lower);
+      }
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+      switch (en->type) {
+      case ENCLOSE_MEMORY:
+#ifdef USE_SUBEXP_CALL
+	if (IS_ENCLOSE_MIN_FIXED(en))
+	  *min = en->min_len;
+	else {
+	  r = get_min_match_length(en->target, min, env);
+	  if (r == 0) {
+	    en->min_len = *min;
+	    SET_ENCLOSE_STATUS(node, NST_MIN_FIXED);
+	  }
+	}
+	break;
+#endif
+      case ENCLOSE_OPTION:
+      case ENCLOSE_STOP_BACKTRACK:
+	r = get_min_match_length(en->target, min, env);
+	break;
+      }
+    }
+    break;
+
+  case NT_ANCHOR:
+  default:
+    break;
+  }
+
+  return r;
+}
+
+static int
+get_max_match_length(Node* node, OnigDistance *max, ScanEnv* env)
+{
+  OnigDistance tmax;
+  int r = 0;
+
+  *max = 0;
+  switch (NTYPE(node)) {
+  case NT_LIST:
+    do {
+      r = get_max_match_length(NCAR(node), &tmax, env);
+      if (r == 0)
+	*max = distance_add(*max, tmax);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_ALT:
+    do {
+      r = get_max_match_length(NCAR(node), &tmax, env);
+      if (r == 0 && *max < tmax) *max = tmax;
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_STR:
+    {
+      StrNode* sn = NSTR(node);
+      *max = (OnigDistance)(sn->end - sn->s);
+    }
+    break;
+
+  case NT_CTYPE:
+    *max = ONIGENC_MBC_MAXLEN_DIST(env->enc);
+    break;
+
+  case NT_CCLASS:
+  case NT_CANY:
+    *max = ONIGENC_MBC_MAXLEN_DIST(env->enc);
+    break;
+
+  case NT_BREF:
+    {
+      int i;
+      int* backs;
+      Node** nodes = SCANENV_MEM_NODES(env);
+      BRefNode* br = NBREF(node);
+      if (br->state & NST_RECURSION) {
+	*max = ONIG_INFINITE_DISTANCE;
+	break;
+      }
+      backs = BACKREFS_P(br);
+      for (i = 0; i < br->back_num; i++) {
+	if (backs[i] > env->num_mem)  return ONIGERR_INVALID_BACKREF;
+	r = get_max_match_length(nodes[backs[i]], &tmax, env);
+	if (r != 0) break;
+	if (*max < tmax) *max = tmax;
+      }
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    if (! IS_CALL_RECURSION(NCALL(node)))
+      r = get_max_match_length(NCALL(node)->target, max, env);
+    else
+      *max = ONIG_INFINITE_DISTANCE;
+    break;
+#endif
+
+  case NT_QTFR:
+    {
+      QtfrNode* qn = NQTFR(node);
+
+      if (qn->upper != 0) {
+	r = get_max_match_length(qn->target, max, env);
+	if (r == 0 && *max != 0) {
+	  if (! IS_REPEAT_INFINITE(qn->upper))
+	    *max = distance_multiply(*max, qn->upper);
+	  else
+	    *max = ONIG_INFINITE_DISTANCE;
+	}
+      }
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+      switch (en->type) {
+      case ENCLOSE_MEMORY:
+#ifdef USE_SUBEXP_CALL
+	if (IS_ENCLOSE_MAX_FIXED(en))
+	  *max = en->max_len;
+	else {
+	  r = get_max_match_length(en->target, max, env);
+	  if (r == 0) {
+	    en->max_len = *max;
+	    SET_ENCLOSE_STATUS(node, NST_MAX_FIXED);
+	  }
+	}
+	break;
+#endif
+      case ENCLOSE_OPTION:
+      case ENCLOSE_STOP_BACKTRACK:
+	r = get_max_match_length(en->target, max, env);
+	break;
+      }
+    }
+    break;
+
+  case NT_ANCHOR:
+  default:
+    break;
+  }
+
+  return r;
+}
+
+#define GET_CHAR_LEN_VARLEN           -1
+#define GET_CHAR_LEN_TOP_ALT_VARLEN   -2
+
+/* fixed size pattern node only */
+static int
+get_char_length_tree1(Node* node, regex_t* reg, int* len, int level)
+{
+  int tlen;
+  int r = 0;
+
+  level++;
+  *len = 0;
+  switch (NTYPE(node)) {
+  case NT_LIST:
+    do {
+      r = get_char_length_tree1(NCAR(node), reg, &tlen, level);
+      if (r == 0)
+	*len = distance_add(*len, tlen);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_ALT:
+    {
+      int tlen2;
+      int varlen = 0;
+
+      r = get_char_length_tree1(NCAR(node), reg, &tlen, level);
+      while (r == 0 && IS_NOT_NULL(node = NCDR(node))) {
+	r = get_char_length_tree1(NCAR(node), reg, &tlen2, level);
+	if (r == 0) {
+	  if (tlen != tlen2)
+	    varlen = 1;
+	}
+      }
+      if (r == 0) {
+	if (varlen != 0) {
+	  if (level == 1)
+	    r = GET_CHAR_LEN_TOP_ALT_VARLEN;
+	  else
+	    r = GET_CHAR_LEN_VARLEN;
+	}
+	else
+	  *len = tlen;
+      }
+    }
+    break;
+
+  case NT_STR:
+    {
+      StrNode* sn = NSTR(node);
+      UChar *s = sn->s;
+      while (s < sn->end) {
+	s += enclen(reg->enc, s);
+	(*len)++;
+      }
+    }
+    break;
+
+  case NT_QTFR:
+    {
+      QtfrNode* qn = NQTFR(node);
+      if (qn->lower == qn->upper) {
+	r = get_char_length_tree1(qn->target, reg, &tlen, level);
+	if (r == 0)
+	  *len = distance_multiply(tlen, qn->lower);
+      }
+      else
+	r = GET_CHAR_LEN_VARLEN;
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    if (! IS_CALL_RECURSION(NCALL(node)))
+      r = get_char_length_tree1(NCALL(node)->target, reg, len, level);
+    else
+      r = GET_CHAR_LEN_VARLEN;
+    break;
+#endif
+
+  case NT_CTYPE:
+    *len = 1;
+    break;
+
+  case NT_CCLASS:
+  case NT_CANY:
+    *len = 1;
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+      switch (en->type) {
+      case ENCLOSE_MEMORY:
+#ifdef USE_SUBEXP_CALL
+	if (IS_ENCLOSE_CLEN_FIXED(en))
+	  *len = en->char_len;
+	else {
+	  r = get_char_length_tree1(en->target, reg, len, level);
+	  if (r == 0) {
+	    en->char_len = *len;
+	    SET_ENCLOSE_STATUS(node, NST_CLEN_FIXED);
+	  }
+	}
+	break;
+#endif
+      case ENCLOSE_OPTION:
+      case ENCLOSE_STOP_BACKTRACK:
+	r = get_char_length_tree1(en->target, reg, len, level);
+	break;
+      default:
+	break;
+      }
+    }
+    break;
+
+  case NT_ANCHOR:
+    break;
+
+  default:
+    r = GET_CHAR_LEN_VARLEN;
+    break;
+  }
+
+  return r;
+}
+
+static int
+get_char_length_tree(Node* node, regex_t* reg, int* len)
+{
+  return get_char_length_tree1(node, reg, len, 0);
+}
+
+/* x is not included y ==>  1 : 0 */
+static int
+is_not_included(Node* x, Node* y, regex_t* reg)
+{
+  int i, len;
+  OnigCodePoint code;
+  UChar *p;
+  int ytype;
+
+ retry:
+  ytype = NTYPE(y);
+  switch (NTYPE(x)) {
+  case NT_CTYPE:
+    {
+      switch (ytype) {
+      case NT_CTYPE:
+	if (NCTYPE(y)->ctype == NCTYPE(x)->ctype &&
+	    NCTYPE(y)->not   != NCTYPE(x)->not)
+	  return 1;
+	else
+	  return 0;
+	break;
+
+      case NT_CCLASS:
+      swap:
+	{
+	  Node* tmp;
+	  tmp = x; x = y; y = tmp;
+	  goto retry;
+	}
+	break;
+
+      case NT_STR:
+	goto swap;
+	break;
+
+      default:
+	break;
+      }
+    }
+    break;
+
+  case NT_CCLASS:
+    {
+      CClassNode* xc = NCCLASS(x);
+      switch (ytype) {
+      case NT_CTYPE:
+	switch (NCTYPE(y)->ctype) {
+	case ONIGENC_CTYPE_WORD:
+	  if (NCTYPE(y)->not == 0) {
+	    if (IS_NULL(xc->mbuf) && !IS_NCCLASS_NOT(xc)) {
+	      for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
+		if (BITSET_AT(xc->bs, i)) {
+		  if (IS_CODE_SB_WORD(reg->enc, i)) return 0;
+		}
+	      }
+	      return 1;
+	    }
+	    return 0;
+	  }
+	  else {
+	    for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
+	      if (! IS_CODE_SB_WORD(reg->enc, i)) {
+		if (!IS_NCCLASS_NOT(xc)) {
+		  if (BITSET_AT(xc->bs, i))
+		    return 0;
+		}
+		else {
+		  if (! BITSET_AT(xc->bs, i))
+		    return 0;
+		}
+	      }
+	    }
+	    return 1;
+	  }
+	  break;
+
+	default:
+	  break;
+	}
+	break;
+
+      case NT_CCLASS:
+	{
+	  int v;
+	  CClassNode* yc = NCCLASS(y);
+
+	  for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
+	    v = BITSET_AT(xc->bs, i);
+	    if ((v != 0 && !IS_NCCLASS_NOT(xc)) ||
+                (v == 0 && IS_NCCLASS_NOT(xc))) {
+	      v = BITSET_AT(yc->bs, i);
+	      if ((v != 0 && !IS_NCCLASS_NOT(yc)) ||
+                  (v == 0 && IS_NCCLASS_NOT(yc)))
+		return 0;
+	    }
+	  }
+	  if ((IS_NULL(xc->mbuf) && !IS_NCCLASS_NOT(xc)) ||
+	      (IS_NULL(yc->mbuf) && !IS_NCCLASS_NOT(yc)))
+	    return 1;
+	  return 0;
+	}
+	break;
+
+      case NT_STR:
+	goto swap;
+	break;
+
+      default:
+	break;
+      }
+    }
+    break;
+
+  case NT_STR:
+    {
+      StrNode* xs = NSTR(x);
+      if (NSTRING_LEN(x) == 0)
+	break;
+
+      //c = *(xs->s);
+      switch (ytype) {
+      case NT_CTYPE:
+        switch (NCTYPE(y)->ctype) {
+        case ONIGENC_CTYPE_WORD:
+          if (ONIGENC_IS_MBC_WORD(reg->enc, xs->s, xs->end))
+            return NCTYPE(y)->not;
+          else
+            return !(NCTYPE(y)->not);
+          break;
+        default:
+          break;
+        }
+        break;
+
+      case NT_CCLASS:
+        {
+          CClassNode* cc = NCCLASS(y);
+
+          code = ONIGENC_MBC_TO_CODE(reg->enc, xs->s,
+                                     xs->s + ONIGENC_MBC_MAXLEN(reg->enc));
+          return (onig_is_code_in_cc(reg->enc, code, cc) != 0 ? 0 : 1);
+        }
+        break;
+
+      case NT_STR:
+        {
+          UChar *q;
+          StrNode* ys = NSTR(y);
+          len = NSTRING_LEN(x);
+          if (len > NSTRING_LEN(y)) len = NSTRING_LEN(y);
+          if (NSTRING_IS_AMBIG(x) || NSTRING_IS_AMBIG(y)) {
+            /* tiny version */
+            return 0;
+          }
+          else {
+            for (i = 0, p = ys->s, q = xs->s; i < len; i++, p++, q++) {
+              if (*p != *q) return 1;
+            }
+          }
+        }
+        break;
+	
+      default:
+        break;
+      }
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+static Node*
+get_head_value_node(Node* node, int exact, regex_t* reg)
+{
+  Node* n = NULL_NODE;
+
+  switch (NTYPE(node)) {
+  case NT_BREF:
+  case NT_ALT:
+  case NT_CANY:
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+#endif
+    break;
+
+  case NT_CTYPE:
+  case NT_CCLASS:
+    if (exact == 0) {
+      n = node;
+    }
+    break;
+
+  case NT_LIST:
+    n = get_head_value_node(NCAR(node), exact, reg);
+    break;
+
+  case NT_STR:
+    {
+      StrNode* sn = NSTR(node);
+
+      if (sn->end <= sn->s)
+	break;
+
+      if (exact != 0 &&
+	  !NSTRING_IS_RAW(node) && IS_IGNORECASE(reg->options)) {
+      }
+      else {
+	n = node;
+      }
+    }
+    break;
+
+  case NT_QTFR:
+    {
+      QtfrNode* qn = NQTFR(node);
+      if (qn->lower > 0) {
+	if (IS_NOT_NULL(qn->head_exact))
+	  n = qn->head_exact;
+	else
+	  n = get_head_value_node(qn->target, exact, reg);
+      }
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+      switch (en->type) {
+      case ENCLOSE_OPTION:
+	{
+	  OnigOptionType options = reg->options;
+
+	  reg->options = NENCLOSE(node)->option;
+	  n = get_head_value_node(NENCLOSE(node)->target, exact, reg);
+	  reg->options = options;
+	}
+	break;
+
+      case ENCLOSE_MEMORY:
+      case ENCLOSE_STOP_BACKTRACK:
+	n = get_head_value_node(en->target, exact, reg);
+	break;
+      }
+    }
+    break;
+
+  case NT_ANCHOR:
+    if (NANCHOR(node)->type == ANCHOR_PREC_READ)
+      n = get_head_value_node(NANCHOR(node)->target, exact, reg);
+    break;
+
+  default:
+    break;
+  }
+
+  return n;
+}
+
+static int
+check_type_tree(Node* node, int type_mask, int enclose_mask, int anchor_mask)
+{
+  int type, r = 0;
+
+  type = NTYPE(node);
+  if ((NTYPE2BIT(type) & type_mask) == 0)
+    return 1;
+
+  switch (type) {
+  case NT_LIST:
+  case NT_ALT:
+    do {
+      r = check_type_tree(NCAR(node), type_mask, enclose_mask,
+			  anchor_mask);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_QTFR:
+    r = check_type_tree(NQTFR(node)->target, type_mask, enclose_mask,
+			anchor_mask);
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+      if ((en->type & enclose_mask) == 0)
+	return 1;
+
+      r = check_type_tree(en->target, type_mask, enclose_mask, anchor_mask);
+    }
+    break;
+
+  case NT_ANCHOR:
+    type = NANCHOR(node)->type;
+    if ((type & anchor_mask) == 0)
+      return 1;
+
+    if (NANCHOR(node)->target)
+      r = check_type_tree(NANCHOR(node)->target,
+			  type_mask, enclose_mask, anchor_mask);
+    break;
+
+  default:
+    break;
+  }
+  return r;
+}
+
+#ifdef USE_SUBEXP_CALL
+
+#define RECURSION_EXIST       1
+#define RECURSION_INFINITE    2
+
+static int
+subexp_inf_recursive_check(Node* node, ScanEnv* env, int head)
+{
+  int type;
+  int r = 0;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+    {
+      Node *x;
+      OnigDistance min;
+      int ret;
+
+      x = node;
+      do {
+	ret = subexp_inf_recursive_check(NCAR(x), env, head);
+	if (ret < 0 || ret == RECURSION_INFINITE) return ret;
+	r |= ret;
+	if (head) {
+	  ret = get_min_match_length(NCAR(x), &min, env);
+	  if (ret != 0) return ret;
+	  if (min != 0) head = 0;
+	}
+      } while (IS_NOT_NULL(x = NCDR(x)));
+    }
+    break;
+
+  case NT_ALT:
+    {
+      int ret;
+      r = RECURSION_EXIST;
+      do {
+	ret = subexp_inf_recursive_check(NCAR(node), env, head);
+	if (ret < 0 || ret == RECURSION_INFINITE) return ret;
+	r &= ret;
+      } while (IS_NOT_NULL(node = NCDR(node)));
+    }
+    break;
+
+  case NT_QTFR:
+    r = subexp_inf_recursive_check(NQTFR(node)->target, env, head);
+    if (r == RECURSION_EXIST) {
+      if (NQTFR(node)->lower == 0) r = 0;
+    }
+    break;
+
+  case NT_ANCHOR:
+    {
+      AnchorNode* an = NANCHOR(node);
+      switch (an->type) {
+      case ANCHOR_PREC_READ:
+      case ANCHOR_PREC_READ_NOT:
+      case ANCHOR_LOOK_BEHIND:
+      case ANCHOR_LOOK_BEHIND_NOT:
+	r = subexp_inf_recursive_check(an->target, env, head);
+	break;
+      }
+    }
+    break;
+
+  case NT_CALL:
+    r = subexp_inf_recursive_check(NCALL(node)->target, env, head);
+    break;
+
+  case NT_ENCLOSE:
+    if (IS_ENCLOSE_MARK2(NENCLOSE(node)))
+      return 0;
+    else if (IS_ENCLOSE_MARK1(NENCLOSE(node)))
+      return (head == 0 ? RECURSION_EXIST : RECURSION_INFINITE);
+    else {
+      SET_ENCLOSE_STATUS(node, NST_MARK2);
+      r = subexp_inf_recursive_check(NENCLOSE(node)->target, env, head);
+      CLEAR_ENCLOSE_STATUS(node, NST_MARK2);
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+static int
+subexp_inf_recursive_check_trav(Node* node, ScanEnv* env)
+{
+  int type;
+  int r = 0;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+  case NT_ALT:
+    do {
+      r = subexp_inf_recursive_check_trav(NCAR(node), env);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_QTFR:
+    r = subexp_inf_recursive_check_trav(NQTFR(node)->target, env);
+    break;
+
+  case NT_ANCHOR:
+    {
+      AnchorNode* an = NANCHOR(node);
+      switch (an->type) {
+      case ANCHOR_PREC_READ:
+      case ANCHOR_PREC_READ_NOT:
+      case ANCHOR_LOOK_BEHIND:
+      case ANCHOR_LOOK_BEHIND_NOT:
+	r = subexp_inf_recursive_check_trav(an->target, env);
+	break;
+      }
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+
+      if (IS_ENCLOSE_RECURSION(en)) {
+	SET_ENCLOSE_STATUS(node, NST_MARK1);
+	r = subexp_inf_recursive_check(en->target, env, 1);
+	if (r > 0) return ONIGERR_NEVER_ENDING_RECURSION;
+	CLEAR_ENCLOSE_STATUS(node, NST_MARK1);
+      }
+      r = subexp_inf_recursive_check_trav(en->target, env);
+    }
+
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+static int
+subexp_recursive_check(Node* node)
+{
+  int r = 0;
+
+  switch (NTYPE(node)) {
+  case NT_LIST:
+  case NT_ALT:
+    do {
+      r |= subexp_recursive_check(NCAR(node));
+    } while (IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_QTFR:
+    r = subexp_recursive_check(NQTFR(node)->target);
+    break;
+
+  case NT_ANCHOR:
+    {
+      AnchorNode* an = NANCHOR(node);
+      switch (an->type) {
+      case ANCHOR_PREC_READ:
+      case ANCHOR_PREC_READ_NOT:
+      case ANCHOR_LOOK_BEHIND:
+      case ANCHOR_LOOK_BEHIND_NOT:
+	r = subexp_recursive_check(an->target);
+	break;
+      }
+    }
+    break;
+
+  case NT_CALL:
+    r = subexp_recursive_check(NCALL(node)->target);
+    if (r != 0) SET_CALL_RECURSION(node);
+    break;
+
+  case NT_ENCLOSE:
+    if (IS_ENCLOSE_MARK2(NENCLOSE(node)))
+      return 0;
+    else if (IS_ENCLOSE_MARK1(NENCLOSE(node)))
+      return 1; /* recursion */
+    else {
+      SET_ENCLOSE_STATUS(node, NST_MARK2);
+      r = subexp_recursive_check(NENCLOSE(node)->target);
+      CLEAR_ENCLOSE_STATUS(node, NST_MARK2);
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+
+static int
+subexp_recursive_check_trav(Node* node, ScanEnv* env)
+{
+#define FOUND_CALLED_NODE    1
+
+  int type;
+  int r = 0;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+  case NT_ALT:
+    {
+      int ret;
+      do {
+	ret = subexp_recursive_check_trav(NCAR(node), env);
+	if (ret == FOUND_CALLED_NODE) r = FOUND_CALLED_NODE;
+	else if (ret < 0) return ret;
+      } while (IS_NOT_NULL(node = NCDR(node)));
+    }
+    break;
+
+  case NT_QTFR:
+    r = subexp_recursive_check_trav(NQTFR(node)->target, env);
+    if (NQTFR(node)->upper == 0) {
+      if (r == FOUND_CALLED_NODE)
+	NQTFR(node)->is_refered = 1;
+    }
+    break;
+
+  case NT_ANCHOR:
+    {
+      AnchorNode* an = NANCHOR(node);
+      switch (an->type) {
+      case ANCHOR_PREC_READ:
+      case ANCHOR_PREC_READ_NOT:
+      case ANCHOR_LOOK_BEHIND:
+      case ANCHOR_LOOK_BEHIND_NOT:
+	r = subexp_recursive_check_trav(an->target, env);
+	break;
+      }
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+
+      if (! IS_ENCLOSE_RECURSION(en)) {
+	if (IS_ENCLOSE_CALLED(en)) {
+	  SET_ENCLOSE_STATUS(node, NST_MARK1);
+	  r = subexp_recursive_check(en->target);
+	  if (r != 0) SET_ENCLOSE_STATUS(node, NST_RECURSION);
+	  CLEAR_ENCLOSE_STATUS(node, NST_MARK1);
+	}
+      }
+      r = subexp_recursive_check_trav(en->target, env);
+      if (IS_ENCLOSE_CALLED(en))
+	r |= FOUND_CALLED_NODE;
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+static int
+setup_subexp_call(Node* node, ScanEnv* env)
+{
+  int type;
+  int r = 0;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+    do {
+      r = setup_subexp_call(NCAR(node), env);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_ALT:
+    do {
+      r = setup_subexp_call(NCAR(node), env);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_QTFR:
+    r = setup_subexp_call(NQTFR(node)->target, env);
+    break;
+  case NT_ENCLOSE:
+    r = setup_subexp_call(NENCLOSE(node)->target, env);
+    break;
+
+  case NT_CALL:
+    {
+      CallNode* cn = NCALL(node);
+      Node** nodes = SCANENV_MEM_NODES(env);
+
+      if (cn->group_num != 0) {
+	int gnum = cn->group_num;
+
+#ifdef USE_NAMED_GROUP
+	if (env->num_named > 0 &&
+	    IS_SYNTAX_BV(env->syntax, ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP) &&
+	    !ONIG_IS_OPTION_ON(env->option, ONIG_OPTION_CAPTURE_GROUP)) {
+	  return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;
+	}
+#endif
+	if (gnum > env->num_mem) {
+	  onig_scan_env_set_error_string(env,
+		 ONIGERR_UNDEFINED_GROUP_REFERENCE, cn->name, cn->name_end);
+	  return ONIGERR_UNDEFINED_GROUP_REFERENCE;
+	}
+
+#ifdef USE_NAMED_GROUP
+      set_call_attr:
+#endif
+	cn->target = nodes[cn->group_num];
+	if (IS_NULL(cn->target)) {
+	  onig_scan_env_set_error_string(env,
+		 ONIGERR_UNDEFINED_NAME_REFERENCE, cn->name, cn->name_end);
+	  return ONIGERR_UNDEFINED_NAME_REFERENCE;
+	}
+	SET_ENCLOSE_STATUS(cn->target, NST_CALLED);
+	BIT_STATUS_ON_AT(env->bt_mem_start, cn->group_num);
+	cn->unset_addr_list = env->unset_addr_list;
+      }
+#ifdef USE_NAMED_GROUP
+      else {
+	int *refs;
+
+	int n = onig_name_to_group_numbers(env->reg, cn->name, cn->name_end,
+					   &refs);
+	if (n <= 0) {
+	  onig_scan_env_set_error_string(env,
+		 ONIGERR_UNDEFINED_NAME_REFERENCE, cn->name, cn->name_end);
+	  return ONIGERR_UNDEFINED_NAME_REFERENCE;
+	}
+	else if (n > 1) {
+	  onig_scan_env_set_error_string(env,
+	    ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL, cn->name, cn->name_end);
+	  return ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL;
+	}
+	else {
+	  cn->group_num = refs[0];
+	  goto set_call_attr;
+	}
+      }
+#endif
+    }
+    break;
+
+  case NT_ANCHOR:
+    {
+      AnchorNode* an = NANCHOR(node);
+
+      switch (an->type) {
+      case ANCHOR_PREC_READ:
+      case ANCHOR_PREC_READ_NOT:
+      case ANCHOR_LOOK_BEHIND:
+      case ANCHOR_LOOK_BEHIND_NOT:
+	r = setup_subexp_call(an->target, env);
+	break;
+      }
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+#endif
+
+/* divide different length alternatives in look-behind.
+  (?<=A|B) ==> (?<=A)|(?<=B)
+  (?<!A|B) ==> (?<!A)(?<!B)
+*/
+static int
+divide_look_behind_alternatives(Node* node)
+{
+  Node *head, *np, *insert_node;
+  AnchorNode* an = NANCHOR(node);
+  int anc_type = an->type;
+
+  head = an->target;
+  np = NCAR(head);
+  swap_node(node, head);
+  NCAR(node) = head;
+  NANCHOR(head)->target = np;
+
+  np = node;
+  while ((np = NCDR(np)) != NULL_NODE) {
+    insert_node = onig_node_new_anchor(anc_type);
+    CHECK_NULL_RETURN_MEMERR(insert_node);
+    NANCHOR(insert_node)->target = NCAR(np);
+    NCAR(np) = insert_node;
+  }
+
+  if (anc_type == ANCHOR_LOOK_BEHIND_NOT) {
+    np = node;
+    do {
+      SET_NTYPE(np, NT_LIST);  /* alt -> list */
+    } while ((np = NCDR(np)) != NULL_NODE);
+  }
+  return 0;
+}
+
+static int
+setup_look_behind(Node* node, regex_t* reg, ScanEnv* env)
+{
+  int r, len;
+  AnchorNode* an = NANCHOR(node);
+
+  r = get_char_length_tree(an->target, reg, &len);
+  if (r == 0)
+    an->char_len = len;
+  else if (r == GET_CHAR_LEN_VARLEN)
+    r = ONIGERR_INVALID_LOOK_BEHIND_PATTERN;
+  else if (r == GET_CHAR_LEN_TOP_ALT_VARLEN) {
+    if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND))
+      r = divide_look_behind_alternatives(node);
+    else
+      r = ONIGERR_INVALID_LOOK_BEHIND_PATTERN;
+  }
+
+  return r;
+}
+
+static int
+next_setup(Node* node, Node* next_node, regex_t* reg)
+{
+  int type;
+
+ retry:
+  type = NTYPE(node);
+  if (type == NT_QTFR) {
+    QtfrNode* qn = NQTFR(node);
+    if (qn->greedy && IS_REPEAT_INFINITE(qn->upper)) {
+#ifdef USE_QTFR_PEEK_NEXT
+      Node* n = get_head_value_node(next_node, 1, reg);
+      /* '\0': for UTF-16BE etc... */
+      if (IS_NOT_NULL(n) && NSTR(n)->s[0] != '\0') {
+	qn->next_head_exact = n;
+      }
+#endif
+      /* automatic posseivation a*b ==> (?>a*)b */
+      if (qn->lower <= 1) {
+	int ttype = NTYPE(qn->target);
+	if (IS_NODE_TYPE_SIMPLE(ttype)) {
+	  Node *x, *y;
+	  x = get_head_value_node(qn->target, 0, reg);
+	  if (IS_NOT_NULL(x)) {
+	    y = get_head_value_node(next_node,  0, reg);
+	    if (IS_NOT_NULL(y) && is_not_included(x, y, reg)) {
+	      Node* en = onig_node_new_enclose(ENCLOSE_STOP_BACKTRACK);
+	      CHECK_NULL_RETURN_MEMERR(en);
+	      SET_ENCLOSE_STATUS(en, NST_STOP_BT_SIMPLE_REPEAT);
+	      swap_node(node, en);
+	      NENCLOSE(node)->target = en;
+	    }
+	  }
+	}
+      }
+    }
+  }
+  else if (type == NT_ENCLOSE) {
+    EncloseNode* en = NENCLOSE(node);
+    if (en->type == ENCLOSE_MEMORY) {
+      node = en->target;
+      goto retry;
+    }
+  }
+  return 0;
+}
+
+
+static int
+update_string_node_case_fold(regex_t* reg, Node *node)
+{
+  UChar *p, *end, buf[ONIGENC_MBC_CASE_FOLD_MAXLEN];
+  UChar *sbuf, *ebuf, *sp;
+  int r, i, len, sbuf_size;
+  StrNode* sn = NSTR(node);
+
+  end = sn->end;
+  sbuf_size = (int)(end - sn->s) * 2;
+  sbuf = (UChar* )xmalloc(sbuf_size);
+  CHECK_NULL_RETURN_MEMERR(sbuf);
+  ebuf = sbuf + sbuf_size;
+
+  sp = sbuf;
+  p = sn->s;
+  while (p < end) {
+    len = ONIGENC_MBC_CASE_FOLD(reg->enc, reg->case_fold_flag, &p, end, buf);
+    for (i = 0; i < len; i++) {
+      if (sp >= ebuf) {
+        sbuf = (UChar* )xrealloc(sbuf, sbuf_size * 2, sbuf_size);
+        CHECK_NULL_RETURN_MEMERR(sbuf);
+        sp = sbuf + sbuf_size;
+        sbuf_size *= 2;
+        ebuf = sbuf + sbuf_size;
+      }
+
+      *sp++ = buf[i];
+    }
+  }
+
+  r = onig_node_str_set(node, sbuf, sp);
+  if (r != 0) {
+    xfree(sbuf);
+    return r;
+  }
+
+  xfree(sbuf);
+  return 0;
+}
+
+static int
+expand_case_fold_make_rem_string(Node** rnode, UChar *s, UChar *end,
+				 regex_t* reg)
+{
+  int r;
+  Node *node;
+
+  node = onig_node_new_str(s, end);
+  if (IS_NULL(node)) return ONIGERR_MEMORY;
+
+  r = update_string_node_case_fold(reg, node);
+  if (r != 0) {
+    onig_node_free(node);
+    return r;
+  }
+
+  NSTRING_SET_AMBIG(node);
+  NSTRING_SET_DONT_GET_OPT_INFO(node);
+  *rnode = node;
+  return 0;
+}
+
+static int
+expand_case_fold_string_alt(int item_num, OnigCaseFoldCodeItem items[],
+			    UChar *p, int slen, UChar *end,
+			    regex_t* reg, Node **rnode)
+{
+  int r, i, j, len, varlen;
+  Node *anode, *var_anode, *snode, *xnode, *an;
+  UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];
+
+  *rnode = var_anode = NULL_NODE;
+
+  varlen = 0;
+  for (i = 0; i < item_num; i++) {
+    if (items[i].byte_len != slen) {
+      varlen = 1;
+      break;
+    }
+  }
+
+  if (varlen != 0) {
+    *rnode = var_anode = onig_node_new_alt(NULL_NODE, NULL_NODE);
+    if (IS_NULL(var_anode)) return ONIGERR_MEMORY;
+
+    xnode = onig_node_new_list(NULL, NULL);
+    if (IS_NULL(xnode)) goto mem_err;
+    NCAR(var_anode) = xnode;
+
+    anode = onig_node_new_alt(NULL_NODE, NULL_NODE);
+    if (IS_NULL(anode)) goto mem_err;
+    NCAR(xnode) = anode;
+  }
+  else {
+    *rnode = anode = onig_node_new_alt(NULL_NODE, NULL_NODE);
+    if (IS_NULL(anode)) return ONIGERR_MEMORY;
+  }
+
+  snode = onig_node_new_str(p, p + slen);
+  if (IS_NULL(snode)) goto mem_err;
+
+  NCAR(anode) = snode;
+
+  for (i = 0; i < item_num; i++) {
+    snode = onig_node_new_str(NULL, NULL);
+    if (IS_NULL(snode)) goto mem_err;
+    
+    for (j = 0; j < items[i].code_len; j++) {
+      len = ONIGENC_CODE_TO_MBC(reg->enc, items[i].code[j], buf);
+      if (len < 0) {
+	r = len;
+	goto mem_err2;
+      }
+
+      r = onig_node_str_cat(snode, buf, buf + len);
+      if (r != 0) goto mem_err2;
+    }
+
+    an = onig_node_new_alt(NULL_NODE, NULL_NODE);
+    if (IS_NULL(an)) {
+      goto mem_err2;
+    }
+
+    if (items[i].byte_len != slen) {
+      Node *rem;
+      UChar *q = p + items[i].byte_len;
+
+      if (q < end) {
+        r = expand_case_fold_make_rem_string(&rem, q, end, reg);
+        if (r != 0) {
+          onig_node_free(an);
+          goto mem_err2;
+        }
+
+        xnode = onig_node_list_add(NULL_NODE, snode);
+        if (IS_NULL(xnode)) {
+          onig_node_free(an);
+          onig_node_free(rem);
+          goto mem_err2;
+        }
+        if (IS_NULL(onig_node_list_add(xnode, rem))) {
+          onig_node_free(an);
+          onig_node_free(xnode);
+          onig_node_free(rem);
+          goto mem_err;
+        }
+
+        NCAR(an) = xnode;
+      }
+      else {
+        NCAR(an) = snode;
+      }
+
+      NCDR(var_anode) = an;
+      var_anode = an;
+    }
+    else {
+      NCAR(an)     = snode;
+      NCDR(anode) = an;
+      anode = an;
+    }
+  }
+
+  return varlen;
+
+ mem_err2:
+  onig_node_free(snode);
+
+ mem_err:
+  onig_node_free(*rnode);
+
+  return ONIGERR_MEMORY;
+}
+
+static int
+expand_case_fold_string(Node* node, regex_t* reg)
+{
+#define THRESHOLD_CASE_FOLD_ALT_FOR_EXPANSION  8
+
+  int r, n, len, alt_num;
+  UChar *start, *end, *p;
+  Node *top_root, *root, *snode, *prev_node;
+  OnigCaseFoldCodeItem items[ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM];
+  StrNode* sn = NSTR(node);
+
+  if (NSTRING_IS_AMBIG(node)) return 0;
+
+  start = sn->s;
+  end   = sn->end;
+  if (start >= end) return 0;
+
+  r = 0;
+  top_root = root = prev_node = snode = NULL_NODE;
+  alt_num = 1;
+  p = start;
+  while (p < end) {
+    n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(reg->enc, reg->case_fold_flag,
+					   p, end, items);
+    if (n < 0) {
+      r = n;
+      goto err;
+    }
+
+    len = enclen(reg->enc, p);
+
+    if (n == 0) {
+      if (IS_NULL(snode)) {
+	if (IS_NULL(root) && IS_NOT_NULL(prev_node)) {
+	  top_root = root = onig_node_list_add(NULL_NODE, prev_node);
+	  if (IS_NULL(root)) {
+	    onig_node_free(prev_node);
+	    goto mem_err;
+	  }
+	}
+
+	prev_node = snode = onig_node_new_str(NULL, NULL);
+	if (IS_NULL(snode)) goto mem_err;
+	if (IS_NOT_NULL(root)) {
+	  if (IS_NULL(onig_node_list_add(root, snode))) {
+	    onig_node_free(snode);
+	    goto mem_err;
+	  }
+	}
+      }
+
+      r = onig_node_str_cat(snode, p, p + len);
+      if (r != 0) goto err;
+    }
+    else {
+      alt_num *= (n + 1);
+      if (alt_num > THRESHOLD_CASE_FOLD_ALT_FOR_EXPANSION) break;
+
+      if (IS_NULL(root) && IS_NOT_NULL(prev_node)) {
+	top_root = root = onig_node_list_add(NULL_NODE, prev_node);
+	if (IS_NULL(root)) {
+	  onig_node_free(prev_node);
+	  goto mem_err;
+	}
+      }
+
+      r = expand_case_fold_string_alt(n, items, p, len, end, reg, &prev_node);
+      if (r < 0) goto mem_err;
+      if (r == 1) {
+	if (IS_NULL(root)) {
+	  top_root = prev_node;
+	}
+	else {
+	  if (IS_NULL(onig_node_list_add(root, prev_node))) {
+	    onig_node_free(prev_node);
+	    goto mem_err;
+	  }
+	}
+
+	root = NCAR(prev_node);
+      }
+      else { /* r == 0 */
+	if (IS_NOT_NULL(root)) {
+	  if (IS_NULL(onig_node_list_add(root, prev_node))) {
+	    onig_node_free(prev_node);
+	    goto mem_err;
+	  }
+	}
+      }
+
+      snode = NULL_NODE;
+    }
+
+    p += len;
+  }
+
+  if (p < end) {
+    Node *srem;
+
+    r = expand_case_fold_make_rem_string(&srem, p, end, reg);
+    if (r != 0) goto mem_err;
+
+    if (IS_NOT_NULL(prev_node) && IS_NULL(root)) {
+      top_root = root = onig_node_list_add(NULL_NODE, prev_node);
+      if (IS_NULL(root)) {
+	onig_node_free(srem);
+	onig_node_free(prev_node);
+	goto mem_err;
+      }
+    }
+
+    if (IS_NULL(root)) {
+      prev_node = srem;
+    }
+    else {
+      if (IS_NULL(onig_node_list_add(root, srem))) {
+	onig_node_free(srem);
+	goto mem_err;
+      }
+    }
+  }
+
+  /* ending */
+  top_root = (IS_NOT_NULL(top_root) ? top_root : prev_node);
+  swap_node(node, top_root);
+  onig_node_free(top_root);
+  return 0;
+
+ mem_err:
+  r = ONIGERR_MEMORY;
+
+ err:
+  onig_node_free(top_root);
+  return r;
+}
+
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+
+#define CEC_THRES_NUM_BIG_REPEAT         512
+#define CEC_INFINITE_NUM          0x7fffffff
+
+#define CEC_IN_INFINITE_REPEAT    (1<<0)
+#define CEC_IN_FINITE_REPEAT      (1<<1)
+#define CEC_CONT_BIG_REPEAT       (1<<2)
+
+static int
+setup_comb_exp_check(Node* node, int state, ScanEnv* env)
+{
+  int type;
+  int r = state;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+    {
+      Node* prev = NULL_NODE;
+      do {
+	r = setup_comb_exp_check(NCAR(node), r, env);
+	prev = NCAR(node);
+      } while (r >= 0 && IS_NOT_NULL(node = NCDR(node)));
+    }
+    break;
+
+  case NT_ALT:
+    {
+      int ret;
+      do {
+	ret = setup_comb_exp_check(NCAR(node), state, env);
+	r |= ret;
+      } while (ret >= 0 && IS_NOT_NULL(node = NCDR(node)));
+    }
+    break;
+
+  case NT_QTFR:
+    {
+      int child_state = state;
+      int add_state = 0;
+      QtfrNode* qn = NQTFR(node);
+      Node* target = qn->target;
+      int var_num;
+
+      if (! IS_REPEAT_INFINITE(qn->upper)) {
+	if (qn->upper > 1) {
+	  /* {0,1}, {1,1} are allowed */
+	  child_state |= CEC_IN_FINITE_REPEAT;
+
+	  /* check (a*){n,m}, (a+){n,m} => (a*){n,n}, (a+){n,n} */
+	  if (env->backrefed_mem == 0) {
+	    if (NTYPE(qn->target) == NT_ENCLOSE) {
+	      EncloseNode* en = NENCLOSE(qn->target);
+	      if (en->type == ENCLOSE_MEMORY) {
+		if (NTYPE(en->target) == NT_QTFR) {
+		  QtfrNode* q = NQTFR(en->target);
+		  if (IS_REPEAT_INFINITE(q->upper)
+		      && q->greedy == qn->greedy) {
+		    qn->upper = (qn->lower == 0 ? 1 : qn->lower);
+		    if (qn->upper == 1)
+		      child_state = state;
+		  }
+		}
+	      }
+	    }
+	  }
+	}
+      }
+
+      if (state & CEC_IN_FINITE_REPEAT) {
+	qn->comb_exp_check_num = -1;
+      }
+      else {
+	if (IS_REPEAT_INFINITE(qn->upper)) {
+	  var_num = CEC_INFINITE_NUM;
+	  child_state |= CEC_IN_INFINITE_REPEAT;
+	}
+	else {
+	  var_num = qn->upper - qn->lower;
+	}
+
+	if (var_num >= CEC_THRES_NUM_BIG_REPEAT)
+	  add_state |= CEC_CONT_BIG_REPEAT;
+
+	if (((state & CEC_IN_INFINITE_REPEAT) != 0 && var_num != 0) ||
+	    ((state & CEC_CONT_BIG_REPEAT) != 0 &&
+	     var_num >= CEC_THRES_NUM_BIG_REPEAT)) {
+	  if (qn->comb_exp_check_num == 0) {
+	    env->num_comb_exp_check++;
+	    qn->comb_exp_check_num = env->num_comb_exp_check;
+	    if (env->curr_max_regnum > env->comb_exp_max_regnum)
+	      env->comb_exp_max_regnum = env->curr_max_regnum;
+	  }
+	}
+      }
+
+      r = setup_comb_exp_check(target, child_state, env);
+      r |= add_state;
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+
+      switch (en->type) {
+      case ENCLOSE_MEMORY:
+	{
+	  if (env->curr_max_regnum < en->regnum)
+	    env->curr_max_regnum = en->regnum;
+
+	  r = setup_comb_exp_check(en->target, state, env);
+	}
+	break;
+
+      default:
+	r = setup_comb_exp_check(en->target, state, env);
+	break;
+      }
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    if (IS_CALL_RECURSION(NCALL(node)))
+      env->has_recursion = 1;
+    else
+      r = setup_comb_exp_check(NCALL(node)->target, state, env);
+    break;
+#endif
+
+  default:
+    break;
+  }
+
+  return r;
+}
+#endif
+
+#define IN_ALT        (1<<0)
+#define IN_NOT        (1<<1)
+#define IN_REPEAT     (1<<2)
+#define IN_VAR_REPEAT (1<<3)
+
+/* setup_tree does the following work.
+ 1. check empty loop. (set qn->target_empty_info)
+ 2. expand ignore-case in char class.
+ 3. set memory status bit flags. (reg->mem_stats)
+ 4. set qn->head_exact for [push, exact] -> [push_or_jump_exact1, exact].
+ 5. find invalid patterns in look-behind.
+ 6. expand repeated string.
+ */
+static int
+setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env)
+{
+  int type;
+  int r = 0;
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+    {
+      Node* prev = NULL_NODE;
+      do {
+	r = setup_tree(NCAR(node), reg, state, env);
+	if (IS_NOT_NULL(prev) && r == 0) {
+	  r = next_setup(prev, NCAR(node), reg);
+	}
+	prev = NCAR(node);
+      } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    }
+    break;
+
+  case NT_ALT:
+    do {
+      r = setup_tree(NCAR(node), reg, (state | IN_ALT), env);
+    } while (r == 0 && IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  case NT_CCLASS:
+    break;
+
+  case NT_STR:
+    if (IS_IGNORECASE(reg->options) && !NSTRING_IS_RAW(node)) {
+      r = expand_case_fold_string(node, reg);
+    }
+    break;
+
+  case NT_CTYPE:
+  case NT_CANY:
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    break;
+#endif
+
+  case NT_BREF:
+    {
+      int i;
+      int* p;
+      Node** nodes = SCANENV_MEM_NODES(env);
+      BRefNode* br = NBREF(node);
+      p = BACKREFS_P(br);
+      for (i = 0; i < br->back_num; i++) {
+	if (p[i] > env->num_mem)  return ONIGERR_INVALID_BACKREF;
+	BIT_STATUS_ON_AT(env->backrefed_mem, p[i]);
+	BIT_STATUS_ON_AT(env->bt_mem_start, p[i]);
+#ifdef USE_BACKREF_WITH_LEVEL
+	if (IS_BACKREF_NEST_LEVEL(br)) {
+	  BIT_STATUS_ON_AT(env->bt_mem_end, p[i]);
+	}
+#endif
+	SET_ENCLOSE_STATUS(nodes[p[i]], NST_MEM_BACKREFED);
+      }
+    }
+    break;
+
+  case NT_QTFR:
+    {
+      OnigDistance d;
+      QtfrNode* qn = NQTFR(node);
+      Node* target = qn->target;
+
+      if ((state & IN_REPEAT) != 0) {
+        qn->state |= NST_IN_REPEAT;
+      }
+
+      if (IS_REPEAT_INFINITE(qn->upper) || qn->upper >= 1) {
+	r = get_min_match_length(target, &d, env);
+	if (r) break;
+	if (d == 0) {
+	  qn->target_empty_info = NQ_TARGET_IS_EMPTY;
+#ifdef USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT
+	  r = quantifiers_memory_node_info(target);
+	  if (r < 0) break;
+	  if (r > 0) {
+	    qn->target_empty_info = r;
+	  }
+#endif
+#if 0
+	  r = get_max_match_length(target, &d, env);
+	  if (r == 0 && d == 0) {
+	    /*  ()* ==> ()?, ()+ ==> ()  */
+	    qn->upper = 1;
+	    if (qn->lower > 1) qn->lower = 1;
+	    if (NTYPE(target) == NT_STR) {
+	      qn->upper = qn->lower = 0;  /* /(?:)+/ ==> // */
+	    }
+	  }
+#endif
+	}
+      }
+
+      state |= IN_REPEAT;
+      if (qn->lower != qn->upper)
+	state |= IN_VAR_REPEAT;
+      r = setup_tree(target, reg, state, env);
+      if (r) break;
+
+      /* expand string */
+#define EXPAND_STRING_MAX_LENGTH  100
+      if (NTYPE(target) == NT_STR) {
+	if (!IS_REPEAT_INFINITE(qn->lower) && qn->lower == qn->upper &&
+	    qn->lower > 1 && qn->lower <= EXPAND_STRING_MAX_LENGTH) {
+	  int len = NSTRING_LEN(target);
+	  StrNode* sn = NSTR(target);
+
+	  if (len * qn->lower <= EXPAND_STRING_MAX_LENGTH) {
+	    int i, n = qn->lower;
+	    onig_node_conv_to_str_node(node, NSTR(target)->flag);
+	    for (i = 0; i < n; i++) {
+	      r = onig_node_str_cat(node, sn->s, sn->end);
+	      if (r) break;
+	    }
+	    onig_node_free(target);
+	    break; /* break case NT_QTFR: */
+	  }
+	}
+      }
+
+#ifdef USE_OP_PUSH_OR_JUMP_EXACT
+      if (qn->greedy && (qn->target_empty_info != 0)) {
+	if (NTYPE(target) == NT_QTFR) {
+	  QtfrNode* tqn = NQTFR(target);
+	  if (IS_NOT_NULL(tqn->head_exact)) {
+	    qn->head_exact  = tqn->head_exact;
+	    tqn->head_exact = NULL;
+	  }
+	}
+	else {
+	  qn->head_exact = get_head_value_node(qn->target, 1, reg);
+	}
+      }
+#endif
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+
+      switch (en->type) {
+      case ENCLOSE_OPTION:
+	{
+	  OnigOptionType options = reg->options;
+	  reg->options = NENCLOSE(node)->option;
+	  r = setup_tree(NENCLOSE(node)->target, reg, state, env);
+	  reg->options = options;
+	}
+	break;
+
+      case ENCLOSE_MEMORY:
+	if ((state & (IN_ALT | IN_NOT | IN_VAR_REPEAT)) != 0) {
+	  BIT_STATUS_ON_AT(env->bt_mem_start, en->regnum);
+	  /* SET_ENCLOSE_STATUS(node, NST_MEM_IN_ALT_NOT); */
+	}
+        r = setup_tree(en->target, reg, state, env);
+        break;
+
+      case ENCLOSE_STOP_BACKTRACK:
+	{
+	  Node* target = en->target;
+	  r = setup_tree(target, reg, state, env);
+	  if (NTYPE(target) == NT_QTFR) {
+	    QtfrNode* tqn = NQTFR(target);
+	    if (IS_REPEAT_INFINITE(tqn->upper) && tqn->lower <= 1 &&
+		tqn->greedy != 0) {  /* (?>a*), a*+ etc... */
+	      int qtype = NTYPE(tqn->target);
+	      if (IS_NODE_TYPE_SIMPLE(qtype))
+		SET_ENCLOSE_STATUS(node, NST_STOP_BT_SIMPLE_REPEAT);
+	    }
+	  }
+	}
+	break;
+      }
+    }
+    break;
+
+  case NT_ANCHOR:
+    {
+      AnchorNode* an = NANCHOR(node);
+
+      switch (an->type) {
+      case ANCHOR_PREC_READ:
+	r = setup_tree(an->target, reg, state, env);
+	break;
+      case ANCHOR_PREC_READ_NOT:
+	r = setup_tree(an->target, reg, (state | IN_NOT), env);
+	break;
+
+/* allowed node types in look-behind */
+#define ALLOWED_TYPE_IN_LB  \
+  ( BIT_NT_LIST | BIT_NT_ALT | BIT_NT_STR | BIT_NT_CCLASS | BIT_NT_CTYPE | \
+    BIT_NT_CANY | BIT_NT_ANCHOR | BIT_NT_ENCLOSE | BIT_NT_QTFR | BIT_NT_CALL )
+
+#define ALLOWED_ENCLOSE_IN_LB       ( ENCLOSE_MEMORY )
+#define ALLOWED_ENCLOSE_IN_LB_NOT   0
+
+#define ALLOWED_ANCHOR_IN_LB \
+( ANCHOR_LOOK_BEHIND | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF | ANCHOR_BEGIN_POSITION )
+#define ALLOWED_ANCHOR_IN_LB_NOT \
+( ANCHOR_LOOK_BEHIND | ANCHOR_LOOK_BEHIND_NOT | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF | ANCHOR_BEGIN_POSITION )
+
+      case ANCHOR_LOOK_BEHIND:
+	{
+	  r = check_type_tree(an->target, ALLOWED_TYPE_IN_LB,
+			      ALLOWED_ENCLOSE_IN_LB, ALLOWED_ANCHOR_IN_LB);
+	  if (r < 0) return r;
+	  if (r > 0) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;
+	  r = setup_look_behind(node, reg, env);
+	  if (r != 0) return r;
+	  r = setup_tree(an->target, reg, state, env);
+	}
+	break;
+
+      case ANCHOR_LOOK_BEHIND_NOT:
+	{
+	  r = check_type_tree(an->target, ALLOWED_TYPE_IN_LB,
+		      ALLOWED_ENCLOSE_IN_LB_NOT, ALLOWED_ANCHOR_IN_LB_NOT);
+	  if (r < 0) return r;
+	  if (r > 0) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;
+	  r = setup_look_behind(node, reg, env);
+	  if (r != 0) return r;
+	  r = setup_tree(an->target, reg, (state | IN_NOT), env);
+	}
+	break;
+      }
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return r;
+}
+
+/* set skip map for Boyer-Moor search */
+static int
+set_bm_skip(UChar* s, UChar* end, OnigEncoding enc ARG_UNUSED,
+	    UChar skip[], int** int_skip)
+{
+  int i, len;
+
+  len = (int)(end - s);
+  if (len < ONIG_CHAR_TABLE_SIZE) {
+    for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++) skip[i] = (UChar)len;
+
+    for (i = 0; i < len - 1; i++)
+      skip[s[i]] = (UChar)(len - 1 - i);
+  }
+  else {
+    if (IS_NULL(*int_skip)) {
+      *int_skip = (int* )xmalloc(sizeof(int) * ONIG_CHAR_TABLE_SIZE);
+      if (IS_NULL(*int_skip)) return ONIGERR_MEMORY;
+    }
+    for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++) (*int_skip)[i] = len;
+
+    for (i = 0; i < len - 1; i++)
+      (*int_skip)[s[i]] = len - 1 - i;
+  }
+  return 0;
+}
+
+#define OPT_EXACT_MAXLEN   24
+
+typedef struct {
+  OnigDistance min;  /* min byte length */
+  OnigDistance max;  /* max byte length */
+} MinMaxLen;
+
+typedef struct {
+  MinMaxLen        mmd;
+  OnigEncoding     enc;
+  OnigOptionType   options;
+  OnigCaseFoldType case_fold_flag;
+  ScanEnv*         scan_env;
+} OptEnv;
+
+typedef struct {
+  int left_anchor;
+  int right_anchor;
+} OptAncInfo;
+
+typedef struct {
+  MinMaxLen  mmd; /* info position */
+  OptAncInfo anc;
+
+  int   reach_end;
+  int   ignore_case;
+  int   len;
+  UChar s[OPT_EXACT_MAXLEN];
+} OptExactInfo;
+
+typedef struct {
+  MinMaxLen mmd; /* info position */
+  OptAncInfo anc;
+
+  int   value;      /* weighted value */
+  UChar map[ONIG_CHAR_TABLE_SIZE];
+} OptMapInfo;
+
+typedef struct {
+  MinMaxLen    len;
+
+  OptAncInfo   anc;
+  OptExactInfo exb;    /* boundary */
+  OptExactInfo exm;    /* middle */
+  OptExactInfo expr;   /* prec read (?=...) */
+
+  OptMapInfo   map;   /* boundary */
+} NodeOptInfo;
+
+
+static int
+map_position_value(OnigEncoding enc, int i)
+{
+  static const short int ByteValTable[] = {
+     5,  1,  1,  1,  1,  1,  1,  1,  1, 10, 10,  1,  1, 10,  1,  1,
+     1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
+    12,  4,  7,  4,  4,  4,  4,  4,  4,  5,  5,  5,  5,  5,  5,  5,
+     6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,  5,  5,  5,
+     5,  6,  6,  6,  6,  7,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
+     6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  5,  6,  5,  5,  5,
+     5,  6,  6,  6,  6,  7,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
+     6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,  5,  1
+  };
+
+  if (i < (int )(sizeof(ByteValTable)/sizeof(ByteValTable[0]))) {
+    if (i == 0 && ONIGENC_MBC_MINLEN(enc) > 1)
+      return 20;
+    else
+      return (int )ByteValTable[i];
+  }
+  else
+    return 4;   /* Take it easy. */
+}
+
+static int
+distance_value(MinMaxLen* mm)
+{
+  /* 1000 / (min-max-dist + 1) */
+  static const short int dist_vals[] = {
+    1000,  500,  333,  250,  200,  167,  143,  125,  111,  100, 
+      91,   83,   77,   71,   67,   63,   59,   56,   53,   50, 
+      48,   45,   43,   42,   40,   38,   37,   36,   34,   33, 
+      32,   31,   30,   29,   29,   28,   27,   26,   26,   25, 
+      24,   24,   23,   23,   22,   22,   21,   21,   20,   20, 
+      20,   19,   19,   19,   18,   18,   18,   17,   17,   17, 
+      16,   16,   16,   16,   15,   15,   15,   15,   14,   14, 
+      14,   14,   14,   14,   13,   13,   13,   13,   13,   13, 
+      12,   12,   12,   12,   12,   12,   11,   11,   11,   11, 
+      11,   11,   11,   11,   11,   10,   10,   10,   10,   10
+  };
+
+  int d;
+
+  if (mm->max == ONIG_INFINITE_DISTANCE) return 0;
+
+  d = mm->max - mm->min;
+  if (d < (int )(sizeof(dist_vals)/sizeof(dist_vals[0])))
+    /* return dist_vals[d] * 16 / (mm->min + 12); */
+    return (int )dist_vals[d];
+  else
+    return 1;
+}
+
+static int
+comp_distance_value(MinMaxLen* d1, MinMaxLen* d2, int v1, int v2)
+{
+  if (v2 <= 0) return -1;
+  if (v1 <= 0) return  1;
+
+  v1 *= distance_value(d1);
+  v2 *= distance_value(d2);
+
+  if (v2 > v1) return  1;
+  if (v2 < v1) return -1;
+
+  if (d2->min < d1->min) return  1;
+  if (d2->min > d1->min) return -1;
+  return 0;
+}
+
+static int
+is_equal_mml(MinMaxLen* a, MinMaxLen* b)
+{
+  return (a->min == b->min && a->max == b->max) ? 1 : 0;
+}
+
+
+static void
+set_mml(MinMaxLen* mml, OnigDistance min, OnigDistance max)
+{
+  mml->min = min;
+  mml->max = max;
+}
+
+static void
+clear_mml(MinMaxLen* mml)
+{
+  mml->min = mml->max = 0;
+}
+
+static void
+copy_mml(MinMaxLen* to, MinMaxLen* from)
+{
+  to->min = from->min;
+  to->max = from->max;
+}
+
+static void
+add_mml(MinMaxLen* to, MinMaxLen* from)
+{
+  to->min = distance_add(to->min, from->min);
+  to->max = distance_add(to->max, from->max);
+}
+
+#if 0
+static void
+add_len_mml(MinMaxLen* to, OnigDistance len)
+{
+  to->min = distance_add(to->min, len);
+  to->max = distance_add(to->max, len);
+}
+#endif
+
+static void
+alt_merge_mml(MinMaxLen* to, MinMaxLen* from)
+{
+  if (to->min > from->min) to->min = from->min;
+  if (to->max < from->max) to->max = from->max;
+}
+
+static void
+copy_opt_env(OptEnv* to, OptEnv* from)
+{
+  *to = *from;
+}
+
+static void
+clear_opt_anc_info(OptAncInfo* anc)
+{
+  anc->left_anchor  = 0;
+  anc->right_anchor = 0;
+}
+
+static void
+copy_opt_anc_info(OptAncInfo* to, OptAncInfo* from)
+{
+  *to = *from;
+}
+
+static void
+concat_opt_anc_info(OptAncInfo* to, OptAncInfo* left, OptAncInfo* right,
+		    OnigDistance left_len, OnigDistance right_len)
+{
+  clear_opt_anc_info(to);
+
+  to->left_anchor = left->left_anchor;
+  if (left_len == 0) {
+    to->left_anchor |= right->left_anchor;
+  }
+
+  to->right_anchor = right->right_anchor;
+  if (right_len == 0) {
+    to->right_anchor |= left->right_anchor;
+  }
+}
+
+static int
+is_left_anchor(int anc)
+{
+  if (anc == ANCHOR_END_BUF || anc == ANCHOR_SEMI_END_BUF ||
+      anc == ANCHOR_END_LINE || anc == ANCHOR_PREC_READ ||
+      anc == ANCHOR_PREC_READ_NOT)
+    return 0;
+
+  return 1;
+}
+
+static int
+is_set_opt_anc_info(OptAncInfo* to, int anc)
+{
+  if ((to->left_anchor & anc) != 0) return 1;
+
+  return ((to->right_anchor & anc) != 0 ? 1 : 0);
+}
+
+static void
+add_opt_anc_info(OptAncInfo* to, int anc)
+{
+  if (is_left_anchor(anc))
+    to->left_anchor |= anc;
+  else
+    to->right_anchor |= anc;
+}
+
+static void
+remove_opt_anc_info(OptAncInfo* to, int anc)
+{
+  if (is_left_anchor(anc))
+    to->left_anchor &= ~anc;
+  else
+    to->right_anchor &= ~anc;
+}
+
+static void
+alt_merge_opt_anc_info(OptAncInfo* to, OptAncInfo* add)
+{
+  to->left_anchor  &= add->left_anchor;
+  to->right_anchor &= add->right_anchor;
+}
+
+static int
+is_full_opt_exact_info(OptExactInfo* ex)
+{
+  return (ex->len >= OPT_EXACT_MAXLEN ? 1 : 0);
+}
+
+static void
+clear_opt_exact_info(OptExactInfo* ex)
+{
+  clear_mml(&ex->mmd);
+  clear_opt_anc_info(&ex->anc);
+  ex->reach_end   = 0;
+  ex->ignore_case = 0;
+  ex->len         = 0;
+  ex->s[0]        = '\0';
+}
+
+static void
+copy_opt_exact_info(OptExactInfo* to, OptExactInfo* from)
+{
+  *to = *from;
+}
+
+static void
+concat_opt_exact_info(OptExactInfo* to, OptExactInfo* add, OnigEncoding enc)
+{
+  int i, j, len;
+  UChar *p, *end;
+  OptAncInfo tanc;
+
+  if (! to->ignore_case && add->ignore_case) {
+    if (to->len >= add->len) return ;  /* avoid */
+
+    to->ignore_case = 1;
+  }
+
+  p = add->s;
+  end = p + add->len;
+  for (i = to->len; p < end; ) {
+    len = enclen(enc, p);
+    if (i + len > OPT_EXACT_MAXLEN) break;
+    for (j = 0; j < len && p < end; j++)
+      to->s[i++] = *p++;
+  }
+
+  to->len = i;
+  to->reach_end = (p == end ? add->reach_end : 0);
+
+  concat_opt_anc_info(&tanc, &to->anc, &add->anc, 1, 1);
+  if (! to->reach_end) tanc.right_anchor = 0;
+  copy_opt_anc_info(&to->anc, &tanc);
+}
+
+static void
+concat_opt_exact_info_str(OptExactInfo* to, UChar* s, UChar* end,
+			  int raw ARG_UNUSED, OnigEncoding enc)
+{
+  int i, j, len;
+  UChar *p;
+
+  for (i = to->len, p = s; p < end && i < OPT_EXACT_MAXLEN; ) {
+    len = enclen(enc, p);
+    if (i + len > OPT_EXACT_MAXLEN) break;
+    for (j = 0; j < len && p < end; j++)
+      to->s[i++] = *p++;
+  }
+
+  to->len = i;
+}
+
+static void
+alt_merge_opt_exact_info(OptExactInfo* to, OptExactInfo* add, OptEnv* env)
+{
+  int i, j, len;
+
+  if (add->len == 0 || to->len == 0) {
+    clear_opt_exact_info(to);
+    return ;
+  }
+
+  if (! is_equal_mml(&to->mmd, &add->mmd)) {
+    clear_opt_exact_info(to);
+    return ;
+  }
+
+  for (i = 0; i < to->len && i < add->len; ) {
+    if (to->s[i] != add->s[i]) break;
+    len = enclen(env->enc, to->s + i);
+
+    for (j = 1; j < len; j++) {
+      if (to->s[i+j] != add->s[i+j]) break;
+    }
+    if (j < len) break;
+    i += len;
+  }
+
+  if (! add->reach_end || i < add->len || i < to->len) {
+    to->reach_end = 0;
+  }
+  to->len = i;
+  to->ignore_case |= add->ignore_case;
+
+  alt_merge_opt_anc_info(&to->anc, &add->anc);
+  if (! to->reach_end) to->anc.right_anchor = 0;
+}
+
+static void
+select_opt_exact_info(OnigEncoding enc, OptExactInfo* now, OptExactInfo* alt)
+{
+  int v1, v2;
+
+  v1 = now->len;
+  v2 = alt->len;
+
+  if (v2 == 0) {
+    return ;
+  }
+  else if (v1 == 0) {
+    copy_opt_exact_info(now, alt);
+    return ;
+  }
+  else if (v1 <= 2 && v2 <= 2) {
+    /* ByteValTable[x] is big value --> low price */
+    v2 = map_position_value(enc, now->s[0]);
+    v1 = map_position_value(enc, alt->s[0]);
+
+    if (now->len > 1) v1 += 5;
+    if (alt->len > 1) v2 += 5;
+  }
+
+  if (now->ignore_case == 0) v1 *= 2;
+  if (alt->ignore_case == 0) v2 *= 2;
+
+  if (comp_distance_value(&now->mmd, &alt->mmd, v1, v2) > 0)
+    copy_opt_exact_info(now, alt);
+}
+
+static void
+clear_opt_map_info(OptMapInfo* map)
+{
+  static const OptMapInfo clean_info = {
+    {0, 0}, {0, 0}, 0,
+    {
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+    }
+  };
+
+  xmemcpy(map, &clean_info, sizeof(OptMapInfo));
+}
+
+static void
+copy_opt_map_info(OptMapInfo* to, OptMapInfo* from)
+{
+  *to = *from;
+}
+
+static void
+add_char_opt_map_info(OptMapInfo* map, UChar c, OnigEncoding enc)
+{
+  if (map->map[c] == 0) {
+    map->map[c] = 1;
+    map->value += map_position_value(enc, c);
+  }
+}
+
+static int
+add_char_amb_opt_map_info(OptMapInfo* map, UChar* p, UChar* end,
+                          OnigEncoding enc, OnigCaseFoldType case_fold_flag)
+{
+  OnigCaseFoldCodeItem items[ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM];
+  UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];
+  int i, n;
+
+  add_char_opt_map_info(map, p[0], enc);
+
+  case_fold_flag = DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag);
+  n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, case_fold_flag, p, end, items);
+  if (n < 0) return n;
+
+  for (i = 0; i < n; i++) {
+    ONIGENC_CODE_TO_MBC(enc, items[i].code[0], buf);
+    add_char_opt_map_info(map, buf[0], enc);
+  }
+
+  return 0;
+}
+
+static void
+select_opt_map_info(OptMapInfo* now, OptMapInfo* alt)
+{
+  static int z = 1<<15; /* 32768: something big value */
+
+  int v1, v2;
+
+  if (alt->value == 0) return ;
+  if (now->value == 0) {
+    copy_opt_map_info(now, alt);
+    return ;
+  }
+
+  v1 = z / now->value;
+  v2 = z / alt->value;
+  if (comp_distance_value(&now->mmd, &alt->mmd, v1, v2) > 0)
+    copy_opt_map_info(now, alt);
+}
+
+static int
+comp_opt_exact_or_map_info(OptExactInfo* e, OptMapInfo* m)
+{
+#define COMP_EM_BASE  20
+  int ve, vm;
+
+  if (m->value <= 0) return -1;
+
+  ve = COMP_EM_BASE * e->len * (e->ignore_case ? 1 : 2);
+  vm = COMP_EM_BASE * 5 * 2 / m->value;
+  return comp_distance_value(&e->mmd, &m->mmd, ve, vm);
+}
+
+static void
+alt_merge_opt_map_info(OnigEncoding enc, OptMapInfo* to, OptMapInfo* add)
+{
+  int i, val;
+
+  /* if (! is_equal_mml(&to->mmd, &add->mmd)) return ; */
+  if (to->value == 0) return ;
+  if (add->value == 0 || to->mmd.max < add->mmd.min) {
+    clear_opt_map_info(to);
+    return ;
+  }
+
+  alt_merge_mml(&to->mmd, &add->mmd);
+
+  val = 0;
+  for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++) {
+    if (add->map[i])
+      to->map[i] = 1;
+
+    if (to->map[i])
+      val += map_position_value(enc, i);
+  }
+  to->value = val;
+
+  alt_merge_opt_anc_info(&to->anc, &add->anc);
+}
+
+static void
+set_bound_node_opt_info(NodeOptInfo* opt, MinMaxLen* mmd)
+{
+  copy_mml(&(opt->exb.mmd),  mmd);
+  copy_mml(&(opt->expr.mmd), mmd);
+  copy_mml(&(opt->map.mmd),  mmd);
+}
+
+static void
+clear_node_opt_info(NodeOptInfo* opt)
+{
+  clear_mml(&opt->len);
+  clear_opt_anc_info(&opt->anc);
+  clear_opt_exact_info(&opt->exb);
+  clear_opt_exact_info(&opt->exm);
+  clear_opt_exact_info(&opt->expr);
+  clear_opt_map_info(&opt->map);
+}
+
+static void
+copy_node_opt_info(NodeOptInfo* to, NodeOptInfo* from)
+{
+  *to = *from;
+}
+
+static void
+concat_left_node_opt_info(OnigEncoding enc, NodeOptInfo* to, NodeOptInfo* add)
+{
+  int exb_reach, exm_reach;
+  OptAncInfo tanc;
+
+  concat_opt_anc_info(&tanc, &to->anc, &add->anc, to->len.max, add->len.max);
+  copy_opt_anc_info(&to->anc, &tanc);
+
+  if (add->exb.len > 0 && to->len.max == 0) {
+    concat_opt_anc_info(&tanc, &to->anc, &add->exb.anc,
+			to->len.max, add->len.max);
+    copy_opt_anc_info(&add->exb.anc, &tanc);
+  }
+
+  if (add->map.value > 0 && to->len.max == 0) {
+    if (add->map.mmd.max == 0)
+      add->map.anc.left_anchor |= to->anc.left_anchor;
+  }
+
+  exb_reach = to->exb.reach_end;
+  exm_reach = to->exm.reach_end;
+
+  if (add->len.max != 0)
+    to->exb.reach_end = to->exm.reach_end = 0;
+
+  if (add->exb.len > 0) {
+    if (exb_reach) {
+      concat_opt_exact_info(&to->exb, &add->exb, enc);
+      clear_opt_exact_info(&add->exb);
+    }
+    else if (exm_reach) {
+      concat_opt_exact_info(&to->exm, &add->exb, enc);
+      clear_opt_exact_info(&add->exb);
+    }
+  }
+  select_opt_exact_info(enc, &to->exm, &add->exb);
+  select_opt_exact_info(enc, &to->exm, &add->exm);
+
+  if (to->expr.len > 0) {
+    if (add->len.max > 0) {
+      if (to->expr.len > (int )add->len.max)
+	to->expr.len = add->len.max;
+
+      if (to->expr.mmd.max == 0)
+	select_opt_exact_info(enc, &to->exb, &to->expr);
+      else
+	select_opt_exact_info(enc, &to->exm, &to->expr);
+    }
+  }
+  else if (add->expr.len > 0) {
+    copy_opt_exact_info(&to->expr, &add->expr);
+  }
+
+  select_opt_map_info(&to->map, &add->map);
+
+  add_mml(&to->len, &add->len);
+}
+
+static void
+alt_merge_node_opt_info(NodeOptInfo* to, NodeOptInfo* add, OptEnv* env)
+{
+  alt_merge_opt_anc_info  (&to->anc,  &add->anc);
+  alt_merge_opt_exact_info(&to->exb,  &add->exb, env);
+  alt_merge_opt_exact_info(&to->exm,  &add->exm, env);
+  alt_merge_opt_exact_info(&to->expr, &add->expr, env);
+  alt_merge_opt_map_info(env->enc, &to->map,  &add->map);
+
+  alt_merge_mml(&to->len, &add->len);
+}
+
+
+#define MAX_NODE_OPT_INFO_REF_COUNT    5
+
+static int
+optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
+{
+  int type;
+  int r = 0;
+
+  clear_node_opt_info(opt);
+  set_bound_node_opt_info(opt, &env->mmd);
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+    {
+      OptEnv nenv;
+      NodeOptInfo nopt;
+      Node* nd = node;
+
+      copy_opt_env(&nenv, env);
+      do {
+	r = optimize_node_left(NCAR(nd), &nopt, &nenv);
+	if (r == 0) {
+	  add_mml(&nenv.mmd, &nopt.len);
+	  concat_left_node_opt_info(env->enc, opt, &nopt);
+	}
+      } while (r == 0 && IS_NOT_NULL(nd = NCDR(nd)));
+    }
+    break;
+
+  case NT_ALT:
+    {
+      NodeOptInfo nopt;
+      Node* nd = node;
+
+      do {
+	r = optimize_node_left(NCAR(nd), &nopt, env);
+	if (r == 0) {
+	  if (nd == node) copy_node_opt_info(opt, &nopt);
+	  else            alt_merge_node_opt_info(opt, &nopt, env);
+	}
+      } while ((r == 0) && IS_NOT_NULL(nd = NCDR(nd)));
+    }
+    break;
+
+  case NT_STR:
+    {
+      StrNode* sn = NSTR(node);
+      int slen = (int)(sn->end - sn->s);
+      int is_raw = NSTRING_IS_RAW(node);
+
+      if (! NSTRING_IS_AMBIG(node)) {
+	concat_opt_exact_info_str(&opt->exb, sn->s, sn->end,
+				  NSTRING_IS_RAW(node), env->enc);
+	if (slen > 0) {
+	  add_char_opt_map_info(&opt->map, *(sn->s), env->enc);
+	}
+        set_mml(&opt->len, slen, slen);
+      }
+      else {
+        int max;
+
+	if (NSTRING_IS_DONT_GET_OPT_INFO(node)) {
+          int n = onigenc_strlen(env->enc, sn->s, sn->end);
+          max = ONIGENC_MBC_MAXLEN_DIST(env->enc) * n;
+	}
+	else {
+	  concat_opt_exact_info_str(&opt->exb, sn->s, sn->end,
+				    is_raw, env->enc);
+	  opt->exb.ignore_case = 1;
+
+	  if (slen > 0) {
+	    r = add_char_amb_opt_map_info(&opt->map, sn->s, sn->end,
+					  env->enc, env->case_fold_flag);
+	    if (r != 0) break;
+	  }
+
+	  max = slen;
+	}
+
+        set_mml(&opt->len, slen, max);
+      }
+
+      if (opt->exb.len == slen)
+	opt->exb.reach_end = 1;
+    }
+    break;
+
+  case NT_CCLASS:
+    {
+      int i, z;
+      CClassNode* cc = NCCLASS(node);
+
+      /* no need to check ignore case. (setted in setup_tree()) */
+
+      if (IS_NOT_NULL(cc->mbuf) || IS_NCCLASS_NOT(cc)) {
+        OnigDistance min = ONIGENC_MBC_MINLEN(env->enc);
+	OnigDistance max = ONIGENC_MBC_MAXLEN_DIST(env->enc);
+
+	set_mml(&opt->len, min, max);
+      }
+      else {
+        for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
+          z = BITSET_AT(cc->bs, i);
+          if ((z && !IS_NCCLASS_NOT(cc)) || (!z && IS_NCCLASS_NOT(cc))) {
+            add_char_opt_map_info(&opt->map, (UChar )i, env->enc);
+          }
+        }
+	set_mml(&opt->len, 1, 1);
+      }
+    }
+    break;
+
+  case NT_CTYPE:
+    {
+      int i, min, max;
+
+      max = ONIGENC_MBC_MAXLEN_DIST(env->enc);
+
+      if (max == 1) {
+        min = 1;
+
+	switch (NCTYPE(node)->ctype) {
+	case ONIGENC_CTYPE_WORD:
+	  if (NCTYPE(node)->not != 0) {
+	    for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
+	      if (! ONIGENC_IS_CODE_WORD(env->enc, i)) {
+		add_char_opt_map_info(&opt->map, (UChar )i, env->enc);
+	      }
+	    }
+	  }
+	  else {
+	    for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
+	      if (ONIGENC_IS_CODE_WORD(env->enc, i)) {
+		add_char_opt_map_info(&opt->map, (UChar )i, env->enc);
+	      }
+	    }
+	  }
+	  break;
+	}
+      }
+      else {
+        min = ONIGENC_MBC_MINLEN(env->enc);
+      }
+      set_mml(&opt->len, min, max);
+    }
+    break;
+
+  case NT_CANY:
+    {
+      OnigDistance min = ONIGENC_MBC_MINLEN(env->enc);
+      OnigDistance max = ONIGENC_MBC_MAXLEN_DIST(env->enc);
+      set_mml(&opt->len, min, max);
+    }
+    break;
+
+  case NT_ANCHOR:
+    switch (NANCHOR(node)->type) {
+    case ANCHOR_BEGIN_BUF:
+    case ANCHOR_BEGIN_POSITION:
+    case ANCHOR_BEGIN_LINE:
+    case ANCHOR_END_BUF:
+    case ANCHOR_SEMI_END_BUF:
+    case ANCHOR_END_LINE:
+      add_opt_anc_info(&opt->anc, NANCHOR(node)->type);
+      break;
+
+    case ANCHOR_PREC_READ:
+      {
+	NodeOptInfo nopt;
+
+	r = optimize_node_left(NANCHOR(node)->target, &nopt, env);
+	if (r == 0) {
+	  if (nopt.exb.len > 0)
+	    copy_opt_exact_info(&opt->expr, &nopt.exb);
+	  else if (nopt.exm.len > 0)
+	    copy_opt_exact_info(&opt->expr, &nopt.exm);
+
+	  opt->expr.reach_end = 0;
+
+	  if (nopt.map.value > 0)
+	    copy_opt_map_info(&opt->map, &nopt.map);
+	}
+      }
+      break;
+
+    case ANCHOR_PREC_READ_NOT:
+    case ANCHOR_LOOK_BEHIND: /* Sorry, I can't make use of it. */
+    case ANCHOR_LOOK_BEHIND_NOT:
+      break;
+    }
+    break;
+
+  case NT_BREF:
+    {
+      int i;
+      int* backs;
+      OnigDistance min, max, tmin, tmax;
+      Node** nodes = SCANENV_MEM_NODES(env->scan_env);
+      BRefNode* br = NBREF(node);
+
+      if (br->state & NST_RECURSION) {
+	set_mml(&opt->len, 0, ONIG_INFINITE_DISTANCE);
+	break;
+      }
+      backs = BACKREFS_P(br);
+      r = get_min_match_length(nodes[backs[0]], &min, env->scan_env);
+      if (r != 0) break;
+      r = get_max_match_length(nodes[backs[0]], &max, env->scan_env);
+      if (r != 0) break;
+      for (i = 1; i < br->back_num; i++) {
+	r = get_min_match_length(nodes[backs[i]], &tmin, env->scan_env);
+	if (r != 0) break;
+	r = get_max_match_length(nodes[backs[i]], &tmax, env->scan_env);
+	if (r != 0) break;
+	if (min > tmin) min = tmin;
+	if (max < tmax) max = tmax;
+      }
+      if (r == 0) set_mml(&opt->len, min, max);
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    if (IS_CALL_RECURSION(NCALL(node)))
+      set_mml(&opt->len, 0, ONIG_INFINITE_DISTANCE);
+    else {
+      OnigOptionType save = env->options;
+      env->options = NENCLOSE(NCALL(node)->target)->option;
+      r = optimize_node_left(NCALL(node)->target, opt, env);
+      env->options = save;
+    }
+    break;
+#endif
+
+  case NT_QTFR:
+    {
+      int i;
+      OnigDistance min, max;
+      NodeOptInfo nopt;
+      QtfrNode* qn = NQTFR(node);
+
+      r = optimize_node_left(qn->target, &nopt, env);
+      if (r) break;
+
+      if (qn->lower == 0 && IS_REPEAT_INFINITE(qn->upper)) {
+	if (env->mmd.max == 0 &&
+	    NTYPE(qn->target) == NT_CANY && qn->greedy) {
+	  if (IS_MULTILINE(env->options))
+	    add_opt_anc_info(&opt->anc, ANCHOR_ANYCHAR_STAR_ML);
+	  else
+	    add_opt_anc_info(&opt->anc, ANCHOR_ANYCHAR_STAR);
+	}
+      }
+      else {
+	if (qn->lower > 0) {
+	  copy_node_opt_info(opt, &nopt);
+	  if (nopt.exb.len > 0) {
+	    if (nopt.exb.reach_end) {
+	      for (i = 2; i <= qn->lower &&
+		          ! is_full_opt_exact_info(&opt->exb); i++) {
+		concat_opt_exact_info(&opt->exb, &nopt.exb, env->enc);
+	      }
+	      if (i < qn->lower) {
+		opt->exb.reach_end = 0;
+	      }
+	    }
+	  }
+
+	  if (qn->lower != qn->upper) {
+	    opt->exb.reach_end = 0;
+	    opt->exm.reach_end = 0;
+	  }
+	  if (qn->lower > 1)
+	    opt->exm.reach_end = 0;
+	}
+      }
+
+      min = distance_multiply(nopt.len.min, qn->lower);
+      if (IS_REPEAT_INFINITE(qn->upper))
+	max = (nopt.len.max > 0 ? ONIG_INFINITE_DISTANCE : 0);
+      else
+	max = distance_multiply(nopt.len.max, qn->upper);
+
+      set_mml(&opt->len, min, max);
+    }
+    break;
+
+  case NT_ENCLOSE:
+    {
+      EncloseNode* en = NENCLOSE(node);
+
+      switch (en->type) {
+      case ENCLOSE_OPTION:
+	{
+	  OnigOptionType save = env->options;
+
+	  env->options = en->option;
+	  r = optimize_node_left(en->target, opt, env);
+	  env->options = save;
+	}
+	break;
+
+      case ENCLOSE_MEMORY:
+#ifdef USE_SUBEXP_CALL
+	en->opt_count++;
+	if (en->opt_count > MAX_NODE_OPT_INFO_REF_COUNT) {
+	  OnigDistance min, max;
+
+	  min = 0;
+	  max = ONIG_INFINITE_DISTANCE;
+	  if (IS_ENCLOSE_MIN_FIXED(en)) min = en->min_len;
+	  if (IS_ENCLOSE_MAX_FIXED(en)) max = en->max_len;
+	  set_mml(&opt->len, min, max);
+	}
+	else
+#endif
+	{
+	  r = optimize_node_left(en->target, opt, env);
+
+	  if (is_set_opt_anc_info(&opt->anc, ANCHOR_ANYCHAR_STAR_MASK)) {
+	    if (BIT_STATUS_AT(env->scan_env->backrefed_mem, en->regnum))
+	      remove_opt_anc_info(&opt->anc, ANCHOR_ANYCHAR_STAR_MASK);
+	  }
+	}
+	break;
+
+      case ENCLOSE_STOP_BACKTRACK:
+	r = optimize_node_left(en->target, opt, env);
+	break;
+      }
+    }
+    break;
+
+  default:
+#ifdef ONIG_DEBUG
+    fprintf(stderr, "optimize_node_left: undefined node type %d\n",
+	    NTYPE(node));
+#endif
+    r = ONIGERR_TYPE_BUG;
+    break;
+  }
+
+  return r;
+}
+
+static int
+set_optimize_exact_info(regex_t* reg, OptExactInfo* e)
+{
+  int r;
+
+  if (e->len == 0) return 0;
+
+  if (e->ignore_case) {
+    reg->exact = (UChar* )xmalloc(e->len);
+    CHECK_NULL_RETURN_MEMERR(reg->exact);
+    xmemcpy(reg->exact, e->s, e->len);
+    reg->exact_end = reg->exact + e->len;
+    reg->optimize = ONIG_OPTIMIZE_EXACT_IC;
+  }
+  else {
+    int allow_reverse;
+
+    reg->exact = str_dup(e->s, e->s + e->len);
+    CHECK_NULL_RETURN_MEMERR(reg->exact);
+    reg->exact_end = reg->exact + e->len;
+ 
+    allow_reverse =
+	ONIGENC_IS_ALLOWED_REVERSE_MATCH(reg->enc, reg->exact, reg->exact_end);
+
+    if (e->len >= 3 || (e->len >= 2 && allow_reverse)) {
+      r = set_bm_skip(reg->exact, reg->exact_end, reg->enc,
+	              reg->map, &(reg->int_map));
+      if (r) return r;
+
+      reg->optimize = (allow_reverse != 0
+		       ? ONIG_OPTIMIZE_EXACT_BM : ONIG_OPTIMIZE_EXACT_BM_NOT_REV);
+    }
+    else {
+      reg->optimize = ONIG_OPTIMIZE_EXACT;
+    }
+  }
+
+  reg->dmin = e->mmd.min;
+  reg->dmax = e->mmd.max;
+
+  if (reg->dmin != ONIG_INFINITE_DISTANCE) {
+    reg->threshold_len = reg->dmin + (int)(reg->exact_end - reg->exact);
+  }
+
+  return 0;
+}
+
+static void
+set_optimize_map_info(regex_t* reg, OptMapInfo* m)
+{
+  int i;
+
+  for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++)
+    reg->map[i] = m->map[i];
+
+  reg->optimize   = ONIG_OPTIMIZE_MAP;
+  reg->dmin       = m->mmd.min;
+  reg->dmax       = m->mmd.max;
+
+  if (reg->dmin != ONIG_INFINITE_DISTANCE) {
+    reg->threshold_len = reg->dmin + 1;
+  }
+}
+
+static void
+set_sub_anchor(regex_t* reg, OptAncInfo* anc)
+{
+  reg->sub_anchor |= anc->left_anchor  & ANCHOR_BEGIN_LINE;
+  reg->sub_anchor |= anc->right_anchor & ANCHOR_END_LINE;
+}
+
+#ifdef ONIG_DEBUG
+static void print_optimize_info(FILE* f, regex_t* reg);
+#endif
+
+static int
+set_optimize_info_from_tree(Node* node, regex_t* reg, ScanEnv* scan_env)
+{
+
+  int r;
+  NodeOptInfo opt;
+  OptEnv env;
+
+  env.enc            = reg->enc;
+  env.options        = reg->options;
+  env.case_fold_flag = reg->case_fold_flag;
+  env.scan_env   = scan_env;
+  clear_mml(&env.mmd);
+
+  r = optimize_node_left(node, &opt, &env);
+  if (r) return r;
+
+  reg->anchor = opt.anc.left_anchor & (ANCHOR_BEGIN_BUF |
+        ANCHOR_BEGIN_POSITION | ANCHOR_ANYCHAR_STAR | ANCHOR_ANYCHAR_STAR_ML);
+
+  reg->anchor |= opt.anc.right_anchor & (ANCHOR_END_BUF | ANCHOR_SEMI_END_BUF);
+
+  if (reg->anchor & (ANCHOR_END_BUF | ANCHOR_SEMI_END_BUF)) {
+    reg->anchor_dmin = opt.len.min;
+    reg->anchor_dmax = opt.len.max;
+  }
+
+  if (opt.exb.len > 0 || opt.exm.len > 0) {
+    select_opt_exact_info(reg->enc, &opt.exb, &opt.exm);
+    if (opt.map.value > 0 &&
+	comp_opt_exact_or_map_info(&opt.exb, &opt.map) > 0) {
+      goto set_map;
+    }
+    else {
+      r = set_optimize_exact_info(reg, &opt.exb);
+      set_sub_anchor(reg, &opt.exb.anc);
+    }
+  }
+  else if (opt.map.value > 0) {
+  set_map:
+    set_optimize_map_info(reg, &opt.map);
+    set_sub_anchor(reg, &opt.map.anc);
+  }
+  else {
+    reg->sub_anchor |= opt.anc.left_anchor & ANCHOR_BEGIN_LINE;
+    if (opt.len.max == 0)
+      reg->sub_anchor |= opt.anc.right_anchor & ANCHOR_END_LINE;
+  }
+
+#if defined(ONIG_DEBUG_COMPILE) || defined(ONIG_DEBUG_MATCH)
+  print_optimize_info(stderr, reg);
+#endif
+  return r;
+}
+
+static void
+clear_optimize_info(regex_t* reg)
+{
+  reg->optimize      = ONIG_OPTIMIZE_NONE;
+  reg->anchor        = 0;
+  reg->anchor_dmin   = 0;
+  reg->anchor_dmax   = 0;
+  reg->sub_anchor    = 0;
+  reg->exact_end     = (UChar* )NULL;
+  reg->threshold_len = 0;
+  if (IS_NOT_NULL(reg->exact)) {
+    xfree(reg->exact);
+    reg->exact = (UChar* )NULL;
+  }
+}
+
+#ifdef ONIG_DEBUG
+
+static void print_enc_string(FILE* fp, OnigEncoding enc,
+			     const UChar *s, const UChar *end)
+{
+  fprintf(fp, "\nPATTERN: /");
+
+  if (ONIGENC_MBC_MINLEN(enc) > 1) {
+    const UChar *p;
+    OnigCodePoint code;
+
+    p = s;
+    while (p < end) {
+      code = ONIGENC_MBC_TO_CODE(enc, p, end);
+      if (code >= 0x80) {
+	fprintf(fp, " 0x%04x ", (int )code);
+      }
+      else {
+	fputc((int )code, fp);
+      }
+
+      p += enclen(enc, p);
+    }
+  }
+  else {
+    while (s < end) {
+      fputc((int )*s, fp);
+      s++;
+    }
+  }
+
+  fprintf(fp, "/\n");
+}
+
+static void
+print_distance_range(FILE* f, OnigDistance a, OnigDistance b)
+{
+  if (a == ONIG_INFINITE_DISTANCE)
+    fputs("inf", f);
+  else
+    fprintf(f, "(%u)", a);
+
+  fputs("-", f);
+
+  if (b == ONIG_INFINITE_DISTANCE)
+    fputs("inf", f);
+  else
+    fprintf(f, "(%u)", b);
+}
+
+static void
+print_anchor(FILE* f, int anchor)
+{
+  int q = 0;
+
+  fprintf(f, "[");
+
+  if (anchor & ANCHOR_BEGIN_BUF) {
+    fprintf(f, "begin-buf");
+    q = 1;
+  }
+  if (anchor & ANCHOR_BEGIN_LINE) {
+    if (q) fprintf(f, ", ");
+    q = 1;
+    fprintf(f, "begin-line");
+  }
+  if (anchor & ANCHOR_BEGIN_POSITION) {
+    if (q) fprintf(f, ", ");
+    q = 1;
+    fprintf(f, "begin-pos");
+  }
+  if (anchor & ANCHOR_END_BUF) {
+    if (q) fprintf(f, ", ");
+    q = 1;
+    fprintf(f, "end-buf");
+  }
+  if (anchor & ANCHOR_SEMI_END_BUF) {
+    if (q) fprintf(f, ", ");
+    q = 1;
+    fprintf(f, "semi-end-buf");
+  }
+  if (anchor & ANCHOR_END_LINE) {
+    if (q) fprintf(f, ", ");
+    q = 1;
+    fprintf(f, "end-line");
+  }
+  if (anchor & ANCHOR_ANYCHAR_STAR) {
+    if (q) fprintf(f, ", ");
+    q = 1;
+    fprintf(f, "anychar-star");
+  }
+  if (anchor & ANCHOR_ANYCHAR_STAR_ML) {
+    if (q) fprintf(f, ", ");
+    fprintf(f, "anychar-star-pl");
+  }
+
+  fprintf(f, "]");
+}
+
+static void
+print_optimize_info(FILE* f, regex_t* reg)
+{
+  static const char* on[] = { "NONE", "EXACT", "EXACT_BM", "EXACT_BM_NOT_REV",
+                              "EXACT_IC", "MAP" };
+
+  fprintf(f, "optimize: %s\n", on[reg->optimize]);
+  fprintf(f, "  anchor: "); print_anchor(f, reg->anchor);
+  if ((reg->anchor & ANCHOR_END_BUF_MASK) != 0)
+    print_distance_range(f, reg->anchor_dmin, reg->anchor_dmax);
+  fprintf(f, "\n");
+
+  if (reg->optimize) {
+    fprintf(f, "  sub anchor: "); print_anchor(f, reg->sub_anchor);
+    fprintf(f, "\n");
+  }
+  fprintf(f, "\n");
+
+  if (reg->exact) {
+    UChar *p;
+    fprintf(f, "exact: [");
+    for (p = reg->exact; p < reg->exact_end; p++) {
+      fputc(*p, f);
+    }
+    fprintf(f, "]: length: %d\n", (reg->exact_end - reg->exact));
+  }
+  else if (reg->optimize & ONIG_OPTIMIZE_MAP) {
+    int c, i, n = 0;
+
+    for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++)
+      if (reg->map[i]) n++;
+
+    fprintf(f, "map: n=%d\n", n);
+    if (n > 0) {
+      c = 0;
+      fputc('[', f);
+      for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++) {
+	if (reg->map[i] != 0) {
+          if (c > 0)  fputs(", ", f);
+          c++;
+          if (ONIGENC_MBC_MAXLEN(reg->enc) == 1 &&
+              ONIGENC_IS_CODE_PRINT(reg->enc, (OnigCodePoint )i))
+            fputc(i, f);
+          else
+            fprintf(f, "%d", i);
+        }
+      }
+      fprintf(f, "]\n");
+    }
+  }
+}
+#endif /* ONIG_DEBUG */
+
+
+extern void
+onig_free_body(regex_t* reg)
+{
+  if (IS_NOT_NULL(reg)) {
+    if (IS_NOT_NULL(reg->p))                xfree(reg->p);
+    if (IS_NOT_NULL(reg->exact))            xfree(reg->exact);
+    if (IS_NOT_NULL(reg->int_map))          xfree(reg->int_map);
+    if (IS_NOT_NULL(reg->int_map_backward)) xfree(reg->int_map_backward);
+    if (IS_NOT_NULL(reg->repeat_range))     xfree(reg->repeat_range);
+    if (IS_NOT_NULL(reg->chain))            onig_free(reg->chain);
+
+#ifdef USE_NAMED_GROUP
+    onig_names_free(reg);
+#endif
+  }
+}
+
+extern void
+onig_free(regex_t* reg)
+{
+  if (IS_NOT_NULL(reg)) {
+    onig_free_body(reg);
+    xfree(reg);
+  }
+}
+
+#define REGEX_TRANSFER(to,from) do {\
+  (to)->state = ONIG_STATE_MODIFY;\
+  onig_free_body(to);\
+  xmemcpy(to, from, sizeof(regex_t));\
+  xfree(from);\
+} while (0)
+
+extern void
+onig_transfer(regex_t* to, regex_t* from)
+{
+  THREAD_ATOMIC_START;
+  REGEX_TRANSFER(to, from);
+  THREAD_ATOMIC_END;
+}
+
+#define REGEX_CHAIN_HEAD(reg) do {\
+  while (IS_NOT_NULL((reg)->chain)) {\
+    (reg) = (reg)->chain;\
+  }\
+} while (0)
+
+extern void
+onig_chain_link_add(regex_t* to, regex_t* add)
+{
+  THREAD_ATOMIC_START;
+  REGEX_CHAIN_HEAD(to);
+  to->chain = add;
+  THREAD_ATOMIC_END;
+}
+
+extern void
+onig_chain_reduce(regex_t* reg)
+{
+  regex_t *head, *prev;
+
+  prev = reg;
+  head = prev->chain;
+  if (IS_NOT_NULL(head)) {
+    reg->state = ONIG_STATE_MODIFY;
+    while (IS_NOT_NULL(head->chain)) {
+      prev = head;
+      head = head->chain;
+    }
+    prev->chain = (regex_t* )NULL;
+    REGEX_TRANSFER(reg, head);
+  }
+}
+
+#ifdef ONIG_DEBUG
+static void print_compiled_byte_code_list P_((FILE* f, regex_t* reg));
+#endif
+#ifdef ONIG_DEBUG_PARSE_TREE
+static void print_tree P_((FILE* f, Node* node));
+#endif
+
+extern int
+onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
+	      OnigErrorInfo* einfo)
+{
+#define COMPILE_INIT_SIZE  20
+
+  int r, init_size;
+  Node*  root;
+  ScanEnv  scan_env;
+#ifdef USE_SUBEXP_CALL
+  UnsetAddrList  uslist;
+#endif
+
+  if (IS_NOT_NULL(einfo)) einfo->par = (UChar* )NULL;
+
+  reg->state = ONIG_STATE_COMPILING;
+
+#ifdef ONIG_DEBUG
+  print_enc_string(stderr, reg->enc, pattern, pattern_end);
+#endif
+
+  if (reg->alloc == 0) {
+    init_size = ((int)(pattern_end - pattern)) * 2;
+    if (init_size <= 0) init_size = COMPILE_INIT_SIZE;
+    r = BBUF_INIT(reg, init_size);
+    if (r != 0) goto end;
+  }
+  else
+    reg->used = 0;
+
+  reg->num_mem            = 0;
+  reg->num_repeat         = 0;
+  reg->num_null_check     = 0;
+  reg->repeat_range_alloc = 0;
+  reg->repeat_range       = (OnigRepeatRange* )NULL;
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  reg->num_comb_exp_check = 0;
+#endif
+
+  r = onig_parse_make_tree(&root, pattern, pattern_end, reg, &scan_env);
+  if (r != 0) goto err;
+
+#ifdef USE_NAMED_GROUP
+  /* mixed use named group and no-named group */
+  if (scan_env.num_named > 0 &&
+      IS_SYNTAX_BV(scan_env.syntax, ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP) &&
+      !ONIG_IS_OPTION_ON(reg->options, ONIG_OPTION_CAPTURE_GROUP)) {
+    if (scan_env.num_named != scan_env.num_mem)
+      r = disable_noname_group_capture(&root, reg, &scan_env);
+    else
+      r = numbered_ref_check(root);
+
+    if (r != 0) goto err;
+  }
+#endif
+
+#ifdef USE_SUBEXP_CALL
+  if (scan_env.num_call > 0) {
+    r = unset_addr_list_init(&uslist, scan_env.num_call);
+    if (r != 0) goto err;
+    scan_env.unset_addr_list = &uslist;
+    r = setup_subexp_call(root, &scan_env);
+    if (r != 0) goto err_unset;
+    r = subexp_recursive_check_trav(root, &scan_env);
+    if (r  < 0) goto err_unset;
+    r = subexp_inf_recursive_check_trav(root, &scan_env);
+    if (r != 0) goto err_unset;
+
+    reg->num_call = scan_env.num_call;
+  }
+  else
+    reg->num_call = 0;
+#endif
+
+  r = setup_tree(root, reg, 0, &scan_env);
+  if (r != 0) goto err_unset;
+
+#ifdef ONIG_DEBUG_PARSE_TREE
+  print_tree(stderr, root);
+#endif
+
+  reg->capture_history  = scan_env.capture_history;
+  reg->bt_mem_start     = scan_env.bt_mem_start;
+  reg->bt_mem_start    |= reg->capture_history;
+  if (IS_FIND_CONDITION(reg->options))
+    BIT_STATUS_ON_ALL(reg->bt_mem_end);
+  else {
+    reg->bt_mem_end  = scan_env.bt_mem_end;
+    reg->bt_mem_end |= reg->capture_history;
+  }
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  if (scan_env.backrefed_mem == 0
+#ifdef USE_SUBEXP_CALL
+      || scan_env.num_call == 0
+#endif
+      ) {
+    setup_comb_exp_check(root, 0, &scan_env);
+#ifdef USE_SUBEXP_CALL
+    if (scan_env.has_recursion != 0) {
+      scan_env.num_comb_exp_check = 0;
+    }
+    else
+#endif
+    if (scan_env.comb_exp_max_regnum > 0) {
+      int i;
+      for (i = 1; i <= scan_env.comb_exp_max_regnum; i++) {
+	if (BIT_STATUS_AT(scan_env.backrefed_mem, i) != 0) {
+	  scan_env.num_comb_exp_check = 0;
+	  break;
+	}
+      }
+    }
+  }
+
+  reg->num_comb_exp_check = scan_env.num_comb_exp_check;
+#endif
+
+  clear_optimize_info(reg);
+#ifndef ONIG_DONT_OPTIMIZE
+  r = set_optimize_info_from_tree(root, reg, &scan_env);
+  if (r != 0) goto err_unset;
+#endif
+
+  if (IS_NOT_NULL(scan_env.mem_nodes_dynamic)) {
+    xfree(scan_env.mem_nodes_dynamic);
+    scan_env.mem_nodes_dynamic = (Node** )NULL;
+  }
+
+  r = compile_tree(root, reg);
+  if (r == 0) {
+    r = add_opcode(reg, OP_END);
+#ifdef USE_SUBEXP_CALL
+    if (scan_env.num_call > 0) {
+      r = unset_addr_list_fix(&uslist, reg);
+      unset_addr_list_end(&uslist);
+      if (r) goto err;
+    }
+#endif
+
+    if ((reg->num_repeat != 0) || (reg->bt_mem_end != 0))
+      reg->stack_pop_level = STACK_POP_LEVEL_ALL;
+    else {
+      if (reg->bt_mem_start != 0)
+	reg->stack_pop_level = STACK_POP_LEVEL_MEM_START;
+      else
+	reg->stack_pop_level = STACK_POP_LEVEL_FREE;
+    }
+  }
+#ifdef USE_SUBEXP_CALL
+  else if (scan_env.num_call > 0) {
+    unset_addr_list_end(&uslist);
+  }
+#endif
+  onig_node_free(root);
+
+#ifdef ONIG_DEBUG_COMPILE
+#ifdef USE_NAMED_GROUP
+  onig_print_names(stderr, reg);
+#endif
+  print_compiled_byte_code_list(stderr, reg);
+#endif
+
+ end:
+  reg->state = ONIG_STATE_NORMAL;
+  return r;
+
+ err_unset:
+#ifdef USE_SUBEXP_CALL
+  if (scan_env.num_call > 0) {
+    unset_addr_list_end(&uslist);
+  }
+#endif
+ err:
+  if (IS_NOT_NULL(scan_env.error)) {
+    if (IS_NOT_NULL(einfo)) {
+      einfo->enc     = scan_env.enc;
+      einfo->par     = scan_env.error;
+      einfo->par_end = scan_env.error_end;
+    }
+  }
+
+  onig_node_free(root);
+  if (IS_NOT_NULL(scan_env.mem_nodes_dynamic))
+      xfree(scan_env.mem_nodes_dynamic);
+  return r;
+}
+
+#ifdef USE_RECOMPILE_API
+extern int
+onig_recompile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
+	    OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax,
+	    OnigErrorInfo* einfo)
+{
+  int r;
+  regex_t *new_reg;
+
+  r = onig_new(&new_reg, pattern, pattern_end, option, enc, syntax, einfo);
+  if (r) return r;
+  if (ONIG_STATE(reg) == ONIG_STATE_NORMAL) {
+    onig_transfer(reg, new_reg);
+  }
+  else {
+    onig_chain_link_add(reg, new_reg);
+  }
+  return 0;
+}
+#endif
+
+static int onig_inited = 0;
+
+extern int
+onig_reg_init(regex_t* reg, OnigOptionType option,
+	      OnigCaseFoldType case_fold_flag,
+	      OnigEncoding enc, OnigSyntaxType* syntax)
+{
+  if (! onig_inited)
+    onig_init();
+
+  if (IS_NULL(reg))
+    return ONIGERR_INVALID_ARGUMENT;
+
+  if (ONIGENC_IS_UNDEF(enc))
+    return ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED;
+
+  if ((option & (ONIG_OPTION_DONT_CAPTURE_GROUP|ONIG_OPTION_CAPTURE_GROUP))
+      == (ONIG_OPTION_DONT_CAPTURE_GROUP|ONIG_OPTION_CAPTURE_GROUP)) {
+    return ONIGERR_INVALID_COMBINATION_OF_OPTIONS;
+  }
+
+  (reg)->state = ONIG_STATE_MODIFY;
+
+  if ((option & ONIG_OPTION_NEGATE_SINGLELINE) != 0) {
+    option |= syntax->options;
+    option &= ~ONIG_OPTION_SINGLELINE;
+  }
+  else
+    option |= syntax->options;
+
+  (reg)->enc              = enc;
+  (reg)->options          = option;
+  (reg)->syntax           = syntax;
+  (reg)->optimize         = 0;
+  (reg)->exact            = (UChar* )NULL;
+  (reg)->int_map          = (int* )NULL;
+  (reg)->int_map_backward = (int* )NULL;
+  (reg)->chain            = (regex_t* )NULL;
+
+  (reg)->p                = (UChar* )NULL;
+  (reg)->alloc            = 0;
+  (reg)->used             = 0;
+  (reg)->name_table       = (void* )NULL;
+
+  (reg)->case_fold_flag   = case_fold_flag;
+  return 0;
+}
+
+extern int
+onig_new_without_alloc(regex_t* reg, const UChar* pattern,
+          const UChar* pattern_end, OnigOptionType option, OnigEncoding enc,
+          OnigSyntaxType* syntax, OnigErrorInfo* einfo)
+{
+  int r;
+
+  r = onig_reg_init(reg, option, ONIGENC_CASE_FOLD_DEFAULT, enc, syntax);
+  if (r) return r;
+
+  r = onig_compile(reg, pattern, pattern_end, einfo);
+  return r;
+}
+
+extern int
+onig_new(regex_t** reg, const UChar* pattern, const UChar* pattern_end,
+	  OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax,
+	  OnigErrorInfo* einfo)
+{
+  int r;
+
+  *reg = (regex_t* )xmalloc(sizeof(regex_t));
+  if (IS_NULL(*reg)) return ONIGERR_MEMORY;
+
+  r = onig_reg_init(*reg, option, ONIGENC_CASE_FOLD_DEFAULT, enc, syntax);
+  if (r) goto err;
+
+  r = onig_compile(*reg, pattern, pattern_end, einfo);
+  if (r) {
+  err:
+    onig_free(*reg);
+    *reg = NULL;
+  }
+  return r;
+}
+
+
+extern int
+onig_init(void)
+{
+  if (onig_inited != 0)
+    return 0;
+
+  THREAD_SYSTEM_INIT;
+  THREAD_ATOMIC_START;
+
+  onig_inited = 1;
+
+  onigenc_init();
+  /* onigenc_set_default_caseconv_table((UChar* )0); */
+
+#ifdef ONIG_DEBUG_STATISTICS
+  onig_statistics_init();
+#endif
+
+  THREAD_ATOMIC_END;
+  return 0;
+}
+
+
+static OnigEndCallListItemType* EndCallTop;
+
+extern void onig_add_end_call(void (*func)(void))
+{
+  OnigEndCallListItemType* item;
+
+  item = (OnigEndCallListItemType* )xmalloc(sizeof(*item));
+  if (item == 0) return ;
+
+  item->next = EndCallTop;
+  item->func = func;
+
+  EndCallTop = item;
+}
+
+static void
+exec_end_call_list(void)
+{
+  OnigEndCallListItemType* prev;
+  void (*func)(void);
+
+  while (EndCallTop != 0) {
+    func = EndCallTop->func;
+    (*func)();
+
+    prev = EndCallTop;
+    EndCallTop = EndCallTop->next;
+    xfree(prev);
+  }
+}
+
+extern int
+onig_end(void)
+{
+  THREAD_ATOMIC_START;
+
+  exec_end_call_list();
+
+#ifdef ONIG_DEBUG_STATISTICS
+  onig_print_statistics(stderr);
+#endif
+
+#ifdef USE_SHARED_CCLASS_TABLE
+  onig_free_shared_cclass_table();
+#endif
+
+#ifdef USE_PARSE_TREE_NODE_RECYCLE
+  onig_free_node_list();
+#endif
+
+  onig_inited = 0;
+
+  THREAD_ATOMIC_END;
+  THREAD_SYSTEM_END;
+  return 0;
+}
+
+extern int
+onig_is_in_code_range(const UChar* p, OnigCodePoint code)
+{
+  OnigCodePoint n, *data;
+  OnigCodePoint low, high, x;
+
+  GET_CODE_POINT(n, p);
+  data = (OnigCodePoint* )p;
+  data++;
+
+  for (low = 0, high = n; low < high; ) {
+    x = (low + high) >> 1;
+    if (code > data[x * 2 + 1])
+      low = x + 1;
+    else
+      high = x;
+  }
+
+  return ((low < n && code >= data[low * 2]) ? 1 : 0);
+}
+
+extern int
+onig_is_code_in_cc_len(int elen, OnigCodePoint code, CClassNode* cc)
+{
+  int found;
+
+  if (elen > 1 || (code >= SINGLE_BYTE_SIZE)) {
+    if (IS_NULL(cc->mbuf)) {
+      found = 0;
+    }
+    else {
+      found = (onig_is_in_code_range(cc->mbuf->p, code) != 0 ? 1 : 0);
+    }
+  }
+  else {
+    found = (BITSET_AT(cc->bs, code) == 0 ? 0 : 1);
+  }
+
+  if (IS_NCCLASS_NOT(cc))
+    return !found;
+  else
+    return found;
+}
+
+extern int
+onig_is_code_in_cc(OnigEncoding enc, OnigCodePoint code, CClassNode* cc)
+{
+  int len;
+
+  if (ONIGENC_MBC_MINLEN(enc) > 1) {
+    len = 2;
+  }
+  else {
+    len = ONIGENC_CODE_TO_MBCLEN(enc, code);
+  }
+  return onig_is_code_in_cc_len(len, code, cc);
+}
+
+
+#ifdef ONIG_DEBUG
+
+/* arguments type */
+#define ARG_SPECIAL     -1
+#define ARG_NON          0
+#define ARG_RELADDR      1
+#define ARG_ABSADDR      2
+#define ARG_LENGTH       3
+#define ARG_MEMNUM       4
+#define ARG_OPTION       5
+#define ARG_STATE_CHECK  6
+
+OnigOpInfoType OnigOpInfo[] = {
+  { OP_FINISH,            "finish",          ARG_NON },
+  { OP_END,               "end",             ARG_NON },
+  { OP_EXACT1,            "exact1",          ARG_SPECIAL },
+  { OP_EXACT2,            "exact2",          ARG_SPECIAL },
+  { OP_EXACT3,            "exact3",          ARG_SPECIAL },
+  { OP_EXACT4,            "exact4",          ARG_SPECIAL },
+  { OP_EXACT5,            "exact5",          ARG_SPECIAL },
+  { OP_EXACTN,            "exactn",          ARG_SPECIAL },
+  { OP_EXACTMB2N1,        "exactmb2-n1",     ARG_SPECIAL },
+  { OP_EXACTMB2N2,        "exactmb2-n2",     ARG_SPECIAL },
+  { OP_EXACTMB2N3,        "exactmb2-n3",     ARG_SPECIAL },
+  { OP_EXACTMB2N,         "exactmb2-n",      ARG_SPECIAL },
+  { OP_EXACTMB3N,         "exactmb3n"  ,     ARG_SPECIAL },
+  { OP_EXACTMBN,          "exactmbn",        ARG_SPECIAL },
+  { OP_EXACT1_IC,         "exact1-ic",       ARG_SPECIAL },
+  { OP_EXACTN_IC,         "exactn-ic",       ARG_SPECIAL },
+  { OP_CCLASS,            "cclass",          ARG_SPECIAL },
+  { OP_CCLASS_MB,         "cclass-mb",       ARG_SPECIAL },
+  { OP_CCLASS_MIX,        "cclass-mix",      ARG_SPECIAL },
+  { OP_CCLASS_NOT,        "cclass-not",      ARG_SPECIAL },
+  { OP_CCLASS_MB_NOT,     "cclass-mb-not",   ARG_SPECIAL },
+  { OP_CCLASS_MIX_NOT,    "cclass-mix-not",  ARG_SPECIAL },
+  { OP_CCLASS_NODE,       "cclass-node",     ARG_SPECIAL },
+  { OP_ANYCHAR,           "anychar",         ARG_NON },
+  { OP_ANYCHAR_ML,        "anychar-ml",      ARG_NON },
+  { OP_ANYCHAR_STAR,      "anychar*",        ARG_NON },
+  { OP_ANYCHAR_ML_STAR,   "anychar-ml*",     ARG_NON },
+  { OP_ANYCHAR_STAR_PEEK_NEXT, "anychar*-peek-next", ARG_SPECIAL },
+  { OP_ANYCHAR_ML_STAR_PEEK_NEXT, "anychar-ml*-peek-next", ARG_SPECIAL },
+  { OP_WORD,                "word",            ARG_NON },
+  { OP_NOT_WORD,            "not-word",        ARG_NON },
+  { OP_WORD_BOUND,          "word-bound",      ARG_NON },
+  { OP_NOT_WORD_BOUND,      "not-word-bound",  ARG_NON },
+  { OP_WORD_BEGIN,          "word-begin",      ARG_NON },
+  { OP_WORD_END,            "word-end",        ARG_NON },
+  { OP_BEGIN_BUF,           "begin-buf",       ARG_NON },
+  { OP_END_BUF,             "end-buf",         ARG_NON },
+  { OP_BEGIN_LINE,          "begin-line",      ARG_NON },
+  { OP_END_LINE,            "end-line",        ARG_NON },
+  { OP_SEMI_END_BUF,        "semi-end-buf",    ARG_NON },
+  { OP_BEGIN_POSITION,      "begin-position",  ARG_NON },
+  { OP_BACKREF1,            "backref1",             ARG_NON },
+  { OP_BACKREF2,            "backref2",             ARG_NON },
+  { OP_BACKREFN,            "backrefn",             ARG_MEMNUM  },
+  { OP_BACKREFN_IC,         "backrefn-ic",          ARG_SPECIAL },
+  { OP_BACKREF_MULTI,       "backref_multi",        ARG_SPECIAL },
+  { OP_BACKREF_MULTI_IC,    "backref_multi-ic",     ARG_SPECIAL },
+  { OP_BACKREF_WITH_LEVEL,    "backref_at_level",     ARG_SPECIAL },
+  { OP_MEMORY_START_PUSH,   "mem-start-push",       ARG_MEMNUM  },
+  { OP_MEMORY_START,        "mem-start",            ARG_MEMNUM  },
+  { OP_MEMORY_END_PUSH,     "mem-end-push",         ARG_MEMNUM  },
+  { OP_MEMORY_END_PUSH_REC, "mem-end-push-rec",     ARG_MEMNUM  },
+  { OP_MEMORY_END,          "mem-end",              ARG_MEMNUM  },
+  { OP_MEMORY_END_REC,      "mem-end-rec",          ARG_MEMNUM  },
+  { OP_SET_OPTION_PUSH,     "set-option-push",      ARG_OPTION  },
+  { OP_SET_OPTION,          "set-option",           ARG_OPTION  },
+  { OP_FAIL,                "fail",                 ARG_NON },
+  { OP_JUMP,                "jump",                 ARG_RELADDR },
+  { OP_PUSH,                "push",                 ARG_RELADDR },
+  { OP_POP,                 "pop",                  ARG_NON },
+  { OP_PUSH_OR_JUMP_EXACT1, "push-or-jump-e1",      ARG_SPECIAL },
+  { OP_PUSH_IF_PEEK_NEXT,   "push-if-peek-next",    ARG_SPECIAL },
+  { OP_REPEAT,              "repeat",               ARG_SPECIAL },
+  { OP_REPEAT_NG,           "repeat-ng",            ARG_SPECIAL },
+  { OP_REPEAT_INC,          "repeat-inc",           ARG_MEMNUM  },
+  { OP_REPEAT_INC_NG,       "repeat-inc-ng",        ARG_MEMNUM  },
+  { OP_REPEAT_INC_SG,       "repeat-inc-sg",        ARG_MEMNUM  },
+  { OP_REPEAT_INC_NG_SG,    "repeat-inc-ng-sg",     ARG_MEMNUM  },
+  { OP_NULL_CHECK_START,    "null-check-start",     ARG_MEMNUM  },
+  { OP_NULL_CHECK_END,      "null-check-end",       ARG_MEMNUM  },
+  { OP_NULL_CHECK_END_MEMST,"null-check-end-memst", ARG_MEMNUM  },
+  { OP_NULL_CHECK_END_MEMST_PUSH,"null-check-end-memst-push", ARG_MEMNUM  },
+  { OP_PUSH_POS,             "push-pos",             ARG_NON },
+  { OP_POP_POS,              "pop-pos",              ARG_NON },
+  { OP_PUSH_POS_NOT,         "push-pos-not",         ARG_RELADDR },
+  { OP_FAIL_POS,             "fail-pos",             ARG_NON },
+  { OP_PUSH_STOP_BT,         "push-stop-bt",         ARG_NON },
+  { OP_POP_STOP_BT,          "pop-stop-bt",          ARG_NON },
+  { OP_LOOK_BEHIND,          "look-behind",          ARG_SPECIAL },
+  { OP_PUSH_LOOK_BEHIND_NOT, "push-look-behind-not", ARG_SPECIAL },
+  { OP_FAIL_LOOK_BEHIND_NOT, "fail-look-behind-not", ARG_NON },
+  { OP_CALL,                 "call",                 ARG_ABSADDR },
+  { OP_RETURN,               "return",               ARG_NON },
+  { OP_STATE_CHECK_PUSH,         "state-check-push",         ARG_SPECIAL },
+  { OP_STATE_CHECK_PUSH_OR_JUMP, "state-check-push-or-jump", ARG_SPECIAL },
+  { OP_STATE_CHECK,              "state-check",              ARG_STATE_CHECK },
+  { OP_STATE_CHECK_ANYCHAR_STAR, "state-check-anychar*",     ARG_STATE_CHECK },
+  { OP_STATE_CHECK_ANYCHAR_ML_STAR,
+    "state-check-anychar-ml*", ARG_STATE_CHECK },
+  { -1, "", ARG_NON }
+};
+
+static char*
+op2name(int opcode)
+{
+  int i;
+
+  for (i = 0; OnigOpInfo[i].opcode >= 0; i++) {
+    if (opcode == OnigOpInfo[i].opcode)
+      return OnigOpInfo[i].name;
+  }
+  return "";
+}
+
+static int
+op2arg_type(int opcode)
+{
+  int i;
+
+  for (i = 0; OnigOpInfo[i].opcode >= 0; i++) {
+    if (opcode == OnigOpInfo[i].opcode)
+      return OnigOpInfo[i].arg_type;
+  }
+  return ARG_SPECIAL;
+}
+
+static void
+Indent(FILE* f, int indent)
+{
+  int i;
+  for (i = 0; i < indent; i++) putc(' ', f);
+}
+
+static void
+p_string(FILE* f, int len, UChar* s)
+{
+  fputs(":", f);
+  while (len-- > 0) { fputc(*s++, f); }
+}
+
+static void
+p_len_string(FILE* f, LengthType len, int mb_len, UChar* s)
+{
+  int x = len * mb_len;
+
+  fprintf(f, ":%d:", len);
+  while (x-- > 0) { fputc(*s++, f); }
+}
+
+extern void
+onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp,
+                              OnigEncoding enc)
+{
+  int i, n, arg_type;
+  RelAddrType addr;
+  LengthType len;
+  MemNumType mem;
+  StateCheckNumType scn;
+  OnigCodePoint code;
+  UChar *q;
+
+  fprintf(f, "[%s", op2name(*bp));
+  arg_type = op2arg_type(*bp);
+  if (arg_type != ARG_SPECIAL) {
+    bp++;
+    switch (arg_type) {
+    case ARG_NON:
+      break;
+    case ARG_RELADDR:
+      GET_RELADDR_INC(addr, bp);
+      fprintf(f, ":(%d)", addr);
+      break;
+    case ARG_ABSADDR:
+      GET_ABSADDR_INC(addr, bp);
+      fprintf(f, ":(%d)", addr);
+      break;
+    case ARG_LENGTH:
+      GET_LENGTH_INC(len, bp);
+      fprintf(f, ":%d", len);
+      break;
+    case ARG_MEMNUM:
+      mem = *((MemNumType* )bp);
+      bp += SIZE_MEMNUM;
+      fprintf(f, ":%d", mem);
+      break;
+    case ARG_OPTION:
+      {
+	OnigOptionType option = *((OnigOptionType* )bp);
+	bp += SIZE_OPTION;
+	fprintf(f, ":%d", option);
+      }
+      break;
+
+    case ARG_STATE_CHECK:
+      scn = *((StateCheckNumType* )bp);
+      bp += SIZE_STATE_CHECK_NUM;
+      fprintf(f, ":%d", scn);
+      break;
+    }
+  }
+  else {
+    switch (*bp++) {
+    case OP_EXACT1:
+    case OP_ANYCHAR_STAR_PEEK_NEXT:
+    case OP_ANYCHAR_ML_STAR_PEEK_NEXT:
+      p_string(f, 1, bp++); break;
+    case OP_EXACT2:
+      p_string(f, 2, bp); bp += 2; break;
+    case OP_EXACT3:
+      p_string(f, 3, bp); bp += 3; break;
+    case OP_EXACT4:
+      p_string(f, 4, bp); bp += 4; break;
+    case OP_EXACT5:
+      p_string(f, 5, bp); bp += 5; break;
+    case OP_EXACTN:
+      GET_LENGTH_INC(len, bp);
+      p_len_string(f, len, 1, bp);
+      bp += len;
+      break;
+    
+    case OP_EXACTMB2N1:
+      p_string(f, 2, bp); bp += 2; break;
+    case OP_EXACTMB2N2:
+      p_string(f, 4, bp); bp += 4; break;
+    case OP_EXACTMB2N3:
+      p_string(f, 6, bp); bp += 6; break;
+    case OP_EXACTMB2N:
+      GET_LENGTH_INC(len, bp);
+      p_len_string(f, len, 2, bp);
+      bp += len * 2;
+      break;
+    case OP_EXACTMB3N:
+      GET_LENGTH_INC(len, bp);
+      p_len_string(f, len, 3, bp);
+      bp += len * 3;
+      break;
+    case OP_EXACTMBN:
+      {
+	int mb_len;
+      
+	GET_LENGTH_INC(mb_len, bp);
+	GET_LENGTH_INC(len, bp);
+	fprintf(f, ":%d:%d:", mb_len, len);
+	n = len * mb_len;
+	while (n-- > 0) { fputc(*bp++, f); }
+      }
+      break;
+
+    case OP_EXACT1_IC:
+      len = enclen(enc, bp);
+      p_string(f, len, bp);
+      bp += len;
+      break;
+    case OP_EXACTN_IC:
+      GET_LENGTH_INC(len, bp);
+      p_len_string(f, len, 1, bp);
+      bp += len;
+      break;
+
+    case OP_CCLASS:
+      n = bitset_on_num((BitSetRef )bp);
+      bp += SIZE_BITSET;
+      fprintf(f, ":%d", n);
+      break;
+
+    case OP_CCLASS_NOT:
+      n = bitset_on_num((BitSetRef )bp);
+      bp += SIZE_BITSET;
+      fprintf(f, ":%d", n);
+      break;
+
+    case OP_CCLASS_MB:
+    case OP_CCLASS_MB_NOT:
+      GET_LENGTH_INC(len, bp);
+      q = bp;
+#ifndef PLATFORM_UNALIGNED_WORD_ACCESS
+      ALIGNMENT_RIGHT(q);
+#endif
+      GET_CODE_POINT(code, q);
+      bp += len;
+      fprintf(f, ":%d:%d", (int )code, len);
+      break;
+
+    case OP_CCLASS_MIX:
+    case OP_CCLASS_MIX_NOT:
+      n = bitset_on_num((BitSetRef )bp);
+      bp += SIZE_BITSET;
+      GET_LENGTH_INC(len, bp);
+      q = bp;
+#ifndef PLATFORM_UNALIGNED_WORD_ACCESS
+      ALIGNMENT_RIGHT(q);
+#endif
+      GET_CODE_POINT(code, q);
+      bp += len;
+      fprintf(f, ":%d:%d:%d", n, (int )code, len);
+      break;
+
+    case OP_CCLASS_NODE:
+      {
+        CClassNode *cc;
+
+        GET_POINTER_INC(cc, bp);
+        n = bitset_on_num(cc->bs);
+        fprintf(f, ":%u:%d", (unsigned int )cc, n);
+      }
+      break;
+
+    case OP_BACKREFN_IC:
+      mem = *((MemNumType* )bp);
+      bp += SIZE_MEMNUM;
+      fprintf(f, ":%d", mem);
+      break;
+
+    case OP_BACKREF_MULTI_IC:
+    case OP_BACKREF_MULTI:
+      fputs(" ", f);
+      GET_LENGTH_INC(len, bp);
+      for (i = 0; i < len; i++) {
+	GET_MEMNUM_INC(mem, bp);
+	if (i > 0) fputs(", ", f);
+	fprintf(f, "%d", mem);
+      }
+      break;
+
+    case OP_BACKREF_WITH_LEVEL:
+      {
+	OnigOptionType option;
+	LengthType level;
+
+	GET_OPTION_INC(option, bp);
+	fprintf(f, ":%d", option);
+	GET_LENGTH_INC(level, bp);
+	fprintf(f, ":%d", level);
+
+	fputs(" ", f);
+	GET_LENGTH_INC(len, bp);
+	for (i = 0; i < len; i++) {
+	  GET_MEMNUM_INC(mem, bp);
+	  if (i > 0) fputs(", ", f);
+	  fprintf(f, "%d", mem);
+	}
+      }
+      break;
+
+    case OP_REPEAT:
+    case OP_REPEAT_NG:
+      {
+	mem = *((MemNumType* )bp);
+	bp += SIZE_MEMNUM;
+	addr = *((RelAddrType* )bp);
+	bp += SIZE_RELADDR;
+	fprintf(f, ":%d:%d", mem, addr);
+      }
+      break;
+
+    case OP_PUSH_OR_JUMP_EXACT1:
+    case OP_PUSH_IF_PEEK_NEXT:
+      addr = *((RelAddrType* )bp);
+      bp += SIZE_RELADDR;
+      fprintf(f, ":(%d)", addr);
+      p_string(f, 1, bp);
+      bp += 1;
+      break;
+
+    case OP_LOOK_BEHIND:
+      GET_LENGTH_INC(len, bp);
+      fprintf(f, ":%d", len);
+      break;
+
+    case OP_PUSH_LOOK_BEHIND_NOT:
+      GET_RELADDR_INC(addr, bp);
+      GET_LENGTH_INC(len, bp);
+      fprintf(f, ":%d:(%d)", len, addr);
+      break;
+
+    case OP_STATE_CHECK_PUSH:
+    case OP_STATE_CHECK_PUSH_OR_JUMP:
+      scn = *((StateCheckNumType* )bp);
+      bp += SIZE_STATE_CHECK_NUM;
+      addr = *((RelAddrType* )bp);
+      bp += SIZE_RELADDR;
+      fprintf(f, ":%d:(%d)", scn, addr);
+      break;
+
+    default:
+      fprintf(stderr, "onig_print_compiled_byte_code: undefined code %d\n",
+	      *--bp);
+    }
+  }
+  fputs("]", f);
+  if (nextp) *nextp = bp;
+}
+
+static void
+print_compiled_byte_code_list(FILE* f, regex_t* reg)
+{
+  int ncode;
+  UChar* bp = reg->p;
+  UChar* end = reg->p + reg->used;
+
+  fprintf(f, "code length: %d\n", reg->used);
+
+  ncode = 0;
+  while (bp < end) {
+    ncode++;
+    if (bp > reg->p) {
+      if (ncode % 5 == 0)
+	fprintf(f, "\n");
+      else
+	fputs(" ", f);
+    }
+    onig_print_compiled_byte_code(f, bp, &bp, reg->enc);
+  }
+
+  fprintf(f, "\n");
+}
+
+static void
+print_indent_tree(FILE* f, Node* node, int indent)
+{
+  int i, type;
+  int add = 3;
+  UChar* p;
+
+  Indent(f, indent);
+  if (IS_NULL(node)) {
+    fprintf(f, "ERROR: null node!!!\n");
+    exit (0);
+  }
+
+  type = NTYPE(node);
+  switch (type) {
+  case NT_LIST:
+  case NT_ALT:
+    if (NTYPE(node) == NT_LIST)
+      fprintf(f, "<list:%x>\n", (int )node);
+    else
+      fprintf(f, "<alt:%x>\n", (int )node);
+
+    print_indent_tree(f, NCAR(node), indent + add);
+    while (IS_NOT_NULL(node = NCDR(node))) {
+      if (NTYPE(node) != type) {
+	fprintf(f, "ERROR: list/alt right is not a cons. %d\n", NTYPE(node));
+	exit(0);
+      }
+      print_indent_tree(f, NCAR(node), indent + add);
+    }
+    break;
+
+  case NT_STR:
+    fprintf(f, "<string%s:%x>",
+	    (NSTRING_IS_RAW(node) ? "-raw" : ""), (int )node);
+    for (p = NSTR(node)->s; p < NSTR(node)->end; p++) {
+      if (*p >= 0x20 && *p < 0x7f)
+	fputc(*p, f);
+      else {
+	fprintf(f, " 0x%02x", *p);
+      }
+    }
+    break;
+
+  case NT_CCLASS:
+    fprintf(f, "<cclass:%x>", (int )node);
+    if (IS_NCCLASS_NOT(NCCLASS(node))) fputs(" not", f);
+    if (NCCLASS(node)->mbuf) {
+      BBuf* bbuf = NCCLASS(node)->mbuf;
+      for (i = 0; i < bbuf->used; i++) {
+	if (i > 0) fprintf(f, ",");
+	fprintf(f, "%0x", bbuf->p[i]);
+      }
+    }
+    break;
+
+  case NT_CTYPE:
+    fprintf(f, "<ctype:%x> ", (int )node);
+    switch (NCTYPE(node)->ctype) {
+    case ONIGENC_CTYPE_WORD:
+      if (NCTYPE(node)->not != 0)
+	fputs("not word",       f);
+      else
+	fputs("word",           f);
+      break;
+
+    default:
+      fprintf(f, "ERROR: undefined ctype.\n");
+      exit(0);
+    }
+    break;
+
+  case NT_CANY:
+    fprintf(f, "<anychar:%x>", (int )node);
+    break;
+
+  case NT_ANCHOR:
+    fprintf(f, "<anchor:%x> ", (int )node);
+    switch (NANCHOR(node)->type) {
+    case ANCHOR_BEGIN_BUF:      fputs("begin buf",      f); break;
+    case ANCHOR_END_BUF:        fputs("end buf",        f); break;
+    case ANCHOR_BEGIN_LINE:     fputs("begin line",     f); break;
+    case ANCHOR_END_LINE:       fputs("end line",       f); break;
+    case ANCHOR_SEMI_END_BUF:   fputs("semi end buf",   f); break;
+    case ANCHOR_BEGIN_POSITION: fputs("begin position", f); break;
+
+    case ANCHOR_WORD_BOUND:      fputs("word bound",     f); break;
+    case ANCHOR_NOT_WORD_BOUND:  fputs("not word bound", f); break;
+#ifdef USE_WORD_BEGIN_END
+    case ANCHOR_WORD_BEGIN:      fputs("word begin", f);     break;
+    case ANCHOR_WORD_END:        fputs("word end", f);       break;
+#endif
+    case ANCHOR_PREC_READ:       fputs("prec read",      f); break;
+    case ANCHOR_PREC_READ_NOT:   fputs("prec read not",  f); break;
+    case ANCHOR_LOOK_BEHIND:     fputs("look_behind",    f); break;
+    case ANCHOR_LOOK_BEHIND_NOT: fputs("look_behind_not",f); break;
+
+    default:
+      fprintf(f, "ERROR: undefined anchor type.\n");
+      break;
+    }
+    break;
+
+  case NT_BREF:
+    {
+      int* p;
+      BRefNode* br = NBREF(node);
+      p = BACKREFS_P(br);
+      fprintf(f, "<backref:%x>", (int )node);
+      for (i = 0; i < br->back_num; i++) {
+	if (i > 0) fputs(", ", f);
+	fprintf(f, "%d", p[i]);
+      }
+    }
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case NT_CALL:
+    {
+      CallNode* cn = NCALL(node);
+      fprintf(f, "<call:%x>", (int )node);
+      p_string(f, cn->name_end - cn->name, cn->name);
+    }
+    break;
+#endif
+
+  case NT_QTFR:
+    fprintf(f, "<quantifier:%x>{%d,%d}%s\n", (int )node,
+	    NQTFR(node)->lower, NQTFR(node)->upper,
+	    (NQTFR(node)->greedy ? "" : "?"));
+    print_indent_tree(f, NQTFR(node)->target, indent + add);
+    break;
+
+  case NT_ENCLOSE:
+    fprintf(f, "<enclose:%x> ", (int )node);
+    switch (NENCLOSE(node)->type) {
+    case ENCLOSE_OPTION:
+      fprintf(f, "option:%d", NENCLOSE(node)->option);
+      break;
+    case ENCLOSE_MEMORY:
+      fprintf(f, "memory:%d", NENCLOSE(node)->regnum);
+      break;
+    case ENCLOSE_STOP_BACKTRACK:
+      fprintf(f, "stop-bt");
+      break;
+
+    default:
+      break;
+    }
+    fprintf(f, "\n");
+    print_indent_tree(f, NENCLOSE(node)->target, indent + add);
+    break;
+
+  default:
+    fprintf(f, "print_indent_tree: undefined node type %d\n", NTYPE(node));
+    break;
+  }
+
+  if (type != NT_LIST && type != NT_ALT && type != NT_QTFR &&
+      type != NT_ENCLOSE)
+    fprintf(f, "\n");
+  fflush(f);
+}
+#endif /* ONIG_DEBUG */
+
+#ifdef ONIG_DEBUG_PARSE_TREE
+static void
+print_tree(FILE* f, Node* node)
+{
+  print_indent_tree(f, node, 0);
+}
+#endif
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regenc.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regenc.c
new file mode 100644
index 0000000000..9e0f0010aa
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regenc.c
@@ -0,0 +1,904 @@
+/**********************************************************************
+  regenc.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2007  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ * 
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regint.h"
+
+OnigEncoding OnigEncDefaultCharEncoding = ONIG_ENCODING_INIT_DEFAULT;
+
+extern int
+onigenc_init(void)
+{
+  return 0;
+}
+
+extern OnigEncoding
+onigenc_get_default_encoding(void)
+{
+  return OnigEncDefaultCharEncoding;
+}
+
+extern int
+onigenc_set_default_encoding(OnigEncoding enc)
+{
+  OnigEncDefaultCharEncoding = enc;
+  return 0;
+}
+
+extern UChar*
+onigenc_get_right_adjust_char_head(OnigEncoding enc, const UChar* start, const UChar* s)
+{
+  UChar* p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s);
+  if (p < s) {
+    p += enclen(enc, p);
+  }
+  return p;
+}
+
+extern UChar*
+onigenc_get_right_adjust_char_head_with_prev(OnigEncoding enc,
+				   const UChar* start, const UChar* s, const UChar** prev)
+{
+  UChar* p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s);
+
+  if (p < s) {
+    if (prev) *prev = (const UChar* )p;
+    p += enclen(enc, p);
+  }
+  else {
+    if (prev) *prev = (const UChar* )NULL; /* Sorry */
+  }
+  return p;
+}
+
+extern UChar*
+onigenc_get_prev_char_head(OnigEncoding enc, const UChar* start, const UChar* s)
+{
+  if (s <= start)
+    return (UChar* )NULL;
+
+  return ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s - 1);
+}
+
+extern UChar*
+onigenc_step_back(OnigEncoding enc, const UChar* start, const UChar* s, int n)
+{
+  while (ONIG_IS_NOT_NULL(s) && n-- > 0) {
+    if (s <= start)
+      return (UChar* )NULL;
+
+    s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s - 1);
+  }
+  return (UChar* )s;
+}
+
+extern UChar*
+onigenc_step(OnigEncoding enc, const UChar* p, const UChar* end, int n)
+{
+  UChar* q = (UChar* )p;
+  while (n-- > 0) {
+    q += ONIGENC_MBC_ENC_LEN(enc, q);
+  }
+  return (q <= end ? q : NULL);
+}
+
+extern int
+onigenc_strlen(OnigEncoding enc, const UChar* p, const UChar* end)
+{
+  int n = 0;
+  UChar* q = (UChar* )p;
+  
+  while (q < end) {
+    q += ONIGENC_MBC_ENC_LEN(enc, q);
+    n++;
+  }
+  return n;
+}
+
+extern int
+onigenc_strlen_null(OnigEncoding enc, const UChar* s)
+{
+  int n = 0;
+  UChar* p = (UChar* )s;
+  
+  while (1) {
+    if (*p == '\0') {
+      UChar* q;
+      int len = ONIGENC_MBC_MINLEN(enc);
+
+      if (len == 1) return n;
+      q = p + 1;
+      while (len > 1) {
+        if (*q != '\0') break;
+        q++;
+        len--;
+      }
+      if (len == 1) return n;
+    }
+    p += ONIGENC_MBC_ENC_LEN(enc, p);
+    n++;
+  }
+}
+
+extern int
+onigenc_str_bytelen_null(OnigEncoding enc, const UChar* s)
+{
+  UChar* start = (UChar* )s;
+  UChar* p = (UChar* )s;
+
+  while (1) {
+    if (*p == '\0') {
+      UChar* q;
+      int len = ONIGENC_MBC_MINLEN(enc);
+
+      if (len == 1) return (int )(p - start);
+      q = p + 1;
+      while (len > 1) {
+        if (*q != '\0') break;
+        q++;
+        len--;
+      }
+      if (len == 1) return (int )(p - start);
+    }
+    p += ONIGENC_MBC_ENC_LEN(enc, p);
+  }
+}
+
+const UChar OnigEncAsciiToLowerCaseTable[] = {
+    0u,   1u,   2u,   3u,   4u,   5u,   6u,   7u,
+   10u,  11u,  12u,  13u,  14u,  15u,  16u,  17u,
+   20u,  21u,  22u,  23u,  24u,  25u,  26u,  27u,
+   30u,  31u,  32u,  33u,  34u,  35u,  36u,  37u,
+   40u,  41u,  42u,  43u,  44u,  45u,  46u,  47u,
+   50u,  51u,  52u,  53u,  54u,  55u,  56u,  57u,
+   60u,  61u,  62u,  63u,  64u,  65u,  66u,  67u,
+   70u,  71u,  72u,  73u,  74u,  75u,  76u,  77u,
+  100u, 141u, 142u, 143u, 144u, 145u, 146u, 147u,
+  150u, 151u, 152u, 153u, 154u, 155u, 156u, 157u,
+  160u, 161u, 162u, 163u, 164u, 165u, 166u, 167u,
+  170u, 171u, 172u, 133u, 134u, 135u, 136u, 137u,
+  140u, 141u, 142u, 143u, 144u, 145u, 146u, 147u,
+  150u, 151u, 152u, 153u, 154u, 155u, 156u, 157u,
+  160u, 161u, 162u, 163u, 164u, 165u, 166u, 167u,
+  170u, 171u, 172u, 173u, 174u, 175u, 176u, 177u,
+  200u, 201u, 202u, 203u, 204u, 205u, 206u, 207u,
+  210u, 211u, 212u, 213u, 214u, 215u, 216u, 217u,
+  220u, 221u, 222u, 223u, 224u, 225u, 226u, 227u,
+  230u, 231u, 232u, 233u, 234u, 235u, 236u, 237u,
+  240u, 241u, 242u, 243u, 244u, 245u, 246u, 247u,
+  250u, 251u, 252u, 253u, 254u, 255u, 256u, 257u,
+  260u, 261u, 262u, 263u, 264u, 265u, 266u, 267u,
+  270u, 271u, 272u, 273u, 274u, 275u, 276u, 277u,
+  300u, 301u, 302u, 303u, 304u, 305u, 306u, 307u,
+  310u, 311u, 312u, 313u, 314u, 315u, 316u, 317u,
+  320u, 321u, 322u, 323u, 324u, 325u, 326u, 327u,
+  330u, 331u, 332u, 333u, 334u, 335u, 336u, 337u,
+  340u, 341u, 342u, 343u, 344u, 345u, 346u, 347u,
+  350u, 351u, 352u, 353u, 354u, 355u, 356u, 357u,
+  360u, 361u, 362u, 363u, 364u, 365u, 366u, 367u,
+  370u, 371u, 372u, 373u, 374u, 375u, 376u, 377u,
+};
+
+#ifdef USE_UPPER_CASE_TABLE
+const UChar OnigEncAsciiToUpperCaseTable[256] = {
+    0u,   1u,   2u,   3u,   4u,   5u,   6u,   7u,
+   10u,  11u,  12u,  13u,  14u,  15u,  16u,  17u,
+   20u,  21u,  22u,  23u,  24u,  25u,  26u,  27u,
+   30u,  31u,  32u,  33u,  34u,  35u,  36u,  37u,
+   40u,  41u,  42u,  43u,  44u,  45u,  46u,  47u,
+   50u,  51u,  52u,  53u,  54u,  55u,  56u,  57u,
+   60u,  61u,  62u,  63u,  64u,  65u,  66u,  67u,
+   70u,  71u,  72u,  73u,  74u,  75u,  76u,  77u,
+  100u, 101u, 102u, 103u, 104u, 105u, 106u, 107u,
+  110u, 111u, 112u, 113u, 114u, 115u, 116u, 117u,
+  120u, 121u, 122u, 123u, 124u, 125u, 126u, 127u,
+  130u, 131u, 132u, 133u, 134u, 135u, 136u, 137u,
+  140u, 101u, 102u, 103u, 104u, 105u, 106u, 107u,
+  110u, 111u, 112u, 113u, 114u, 115u, 116u, 117u,
+  120u, 121u, 122u, 123u, 124u, 125u, 126u, 127u,
+  130u, 131u, 132u, 173u, 174u, 175u, 176u, 177u,
+  200u, 201u, 202u, 203u, 204u, 205u, 206u, 207u,
+  210u, 211u, 212u, 213u, 214u, 215u, 216u, 217u,
+  220u, 221u, 222u, 223u, 224u, 225u, 226u, 227u,
+  230u, 231u, 232u, 233u, 234u, 235u, 236u, 237u,
+  240u, 241u, 242u, 243u, 244u, 245u, 246u, 247u,
+  250u, 251u, 252u, 253u, 254u, 255u, 256u, 257u,
+  260u, 261u, 262u, 263u, 264u, 265u, 266u, 267u,
+  270u, 271u, 272u, 273u, 274u, 275u, 276u, 277u,
+  300u, 301u, 302u, 303u, 304u, 305u, 306u, 307u,
+  310u, 311u, 312u, 313u, 314u, 315u, 316u, 317u,
+  320u, 321u, 322u, 323u, 324u, 325u, 326u, 327u,
+  330u, 331u, 332u, 333u, 334u, 335u, 336u, 337u,
+  340u, 341u, 342u, 343u, 344u, 345u, 346u, 347u,
+  350u, 351u, 352u, 353u, 354u, 355u, 356u, 357u,
+  360u, 361u, 362u, 363u, 364u, 365u, 366u, 367u,
+  370u, 371u, 372u, 373u, 374u, 375u, 376u, 377u,
+};
+#endif
+
+const unsigned short OnigEncAsciiCtypeTable[256] = {
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
+  0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
+  0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
+};
+
+const UChar OnigEncISO_8859_1_ToLowerCaseTable[256] = {
+    0u,   1u,   2u,   3u,   4u,   5u,   6u,   7u,
+   10u,  11u,  12u,  13u,  14u,  15u,  16u,  17u,
+   20u,  21u,  22u,  23u,  24u,  25u,  26u,  27u,
+   30u,  31u,  32u,  33u,  34u,  35u,  36u,  37u,
+   40u,  41u,  42u,  43u,  44u,  45u,  46u,  47u,
+   50u,  51u,  52u,  53u,  54u,  55u,  56u,  57u,
+   60u,  61u,  62u,  63u,  64u,  65u,  66u,  67u,
+   70u,  71u,  72u,  73u,  74u,  75u,  76u,  77u,
+  100u, 141u, 142u, 143u, 144u, 145u, 146u, 147u,
+  150u, 151u, 152u, 153u, 154u, 155u, 156u, 157u,
+  160u, 161u, 162u, 163u, 164u, 165u, 166u, 167u,
+  170u, 171u, 172u, 133u, 134u, 135u, 136u, 137u,
+  140u, 141u, 142u, 143u, 144u, 145u, 146u, 147u,
+  150u, 151u, 152u, 153u, 154u, 155u, 156u, 157u,
+  160u, 161u, 162u, 163u, 164u, 165u, 166u, 167u,
+  170u, 171u, 172u, 173u, 174u, 175u, 176u, 177u,
+  200u, 201u, 202u, 203u, 204u, 205u, 206u, 207u,
+  210u, 211u, 212u, 213u, 214u, 215u, 216u, 217u,
+  220u, 221u, 222u, 223u, 224u, 225u, 226u, 227u,
+  230u, 231u, 232u, 233u, 234u, 235u, 236u, 237u,
+  240u, 241u, 242u, 243u, 244u, 245u, 246u, 247u,
+  250u, 251u, 252u, 253u, 254u, 255u, 256u, 257u,
+  260u, 261u, 262u, 263u, 264u, 265u, 266u, 267u,
+  270u, 271u, 272u, 273u, 274u, 275u, 276u, 277u,
+  340u, 341u, 342u, 343u, 344u, 345u, 346u, 347u,
+  350u, 351u, 352u, 353u, 354u, 355u, 356u, 357u,
+  360u, 361u, 362u, 363u, 364u, 365u, 366u, 327u,
+  370u, 371u, 372u, 373u, 374u, 375u, 376u, 337u,
+  340u, 341u, 342u, 343u, 344u, 345u, 346u, 347u,
+  350u, 351u, 352u, 353u, 354u, 355u, 356u, 357u,
+  360u, 361u, 362u, 363u, 364u, 365u, 366u, 367u,
+  370u, 371u, 372u, 373u, 374u, 375u, 376u, 377u,
+};
+
+#ifdef USE_UPPER_CASE_TABLE
+const UChar OnigEncISO_8859_1_ToUpperCaseTable[256] = {
+    0u,   1u,   2u,   3u,   4u,   5u,   6u,   7u,
+   10u,  11u,  12u,  13u,  14u,  15u,  16u,  17u,
+   20u,  21u,  22u,  23u,  24u,  25u,  26u,  27u,
+   30u,  31u,  32u,  33u,  34u,  35u,  36u,  37u,
+   40u,  41u,  42u,  43u,  44u,  45u,  46u,  47u,
+   50u,  51u,  52u,  53u,  54u,  55u,  56u,  57u,
+   60u,  61u,  62u,  63u,  64u,  65u,  66u,  67u,
+   70u,  71u,  72u,  73u,  74u,  75u,  76u,  77u,
+  100u, 101u, 102u, 103u, 104u, 105u, 106u, 107u,
+  110u, 111u, 112u, 113u, 114u, 115u, 116u, 117u,
+  120u, 121u, 122u, 123u, 124u, 125u, 126u, 127u,
+  130u, 131u, 132u, 133u, 134u, 135u, 136u, 137u,
+  140u, 101u, 102u, 103u, 104u, 105u, 106u, 107u,
+  110u, 111u, 112u, 113u, 114u, 115u, 116u, 117u,
+  120u, 121u, 122u, 123u, 124u, 125u, 126u, 127u,
+  130u, 131u, 132u, 173u, 174u, 175u, 176u, 177u,
+  200u, 201u, 202u, 203u, 204u, 205u, 206u, 207u,
+  210u, 211u, 212u, 213u, 214u, 215u, 216u, 217u,
+  220u, 221u, 222u, 223u, 224u, 225u, 226u, 227u,
+  230u, 231u, 232u, 233u, 234u, 235u, 236u, 237u,
+  240u, 241u, 242u, 243u, 244u, 245u, 246u, 247u,
+  250u, 251u, 252u, 253u, 254u, 255u, 256u, 257u,
+  260u, 261u, 262u, 263u, 264u, 265u, 266u, 267u,
+  270u, 271u, 272u, 273u, 274u, 275u, 276u, 277u,
+  300u, 301u, 302u, 303u, 304u, 305u, 306u, 307u,
+  310u, 311u, 312u, 313u, 314u, 315u, 316u, 317u,
+  320u, 321u, 322u, 323u, 324u, 325u, 326u, 327u,
+  330u, 331u, 332u, 333u, 334u, 335u, 336u, 337u,
+  300u, 301u, 302u, 303u, 304u, 305u, 306u, 307u,
+  310u, 311u, 312u, 313u, 314u, 315u, 316u, 317u,
+  320u, 321u, 322u, 323u, 324u, 325u, 326u, 367u,
+  330u, 331u, 332u, 333u, 334u, 335u, 336u, 377u,
+};
+#endif
+
+extern void
+onigenc_set_default_caseconv_table(const UChar* table ARG_UNUSED)
+{
+  /* nothing */
+  /* obsoleted. */
+}
+
+extern UChar*
+onigenc_get_left_adjust_char_head(OnigEncoding enc, const UChar* start, const UChar* s)
+{
+  return ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s);
+}
+
+const OnigPairCaseFoldCodes OnigAsciiLowerMap[] = {
+  { 0x41, 0x61 },
+  { 0x42, 0x62 },
+  { 0x43, 0x63 },
+  { 0x44, 0x64 },
+  { 0x45, 0x65 },
+  { 0x46, 0x66 },
+  { 0x47, 0x67 },
+  { 0x48, 0x68 },
+  { 0x49, 0x69 },
+  { 0x4a, 0x6a },
+  { 0x4b, 0x6b },
+  { 0x4c, 0x6c },
+  { 0x4d, 0x6d },
+  { 0x4e, 0x6e },
+  { 0x4f, 0x6f },
+  { 0x50, 0x70 },
+  { 0x51, 0x71 },
+  { 0x52, 0x72 },
+  { 0x53, 0x73 },
+  { 0x54, 0x74 },
+  { 0x55, 0x75 },
+  { 0x56, 0x76 },
+  { 0x57, 0x77 },
+  { 0x58, 0x78 },
+  { 0x59, 0x79 },
+  { 0x5a, 0x7a }
+};
+
+extern int
+onigenc_ascii_apply_all_case_fold(OnigCaseFoldType flag ARG_UNUSED,
+				  OnigApplyAllCaseFoldFunc f, void* arg)
+{
+  OnigCodePoint code;
+  int i, r;
+
+  for (i = 0;
+       i < (int )(sizeof(OnigAsciiLowerMap)/sizeof(OnigPairCaseFoldCodes));
+       i++) {
+    code = OnigAsciiLowerMap[i].to;
+    r = (*f)(OnigAsciiLowerMap[i].from, &code, 1, arg);
+    if (r != 0) return r;
+
+    code = OnigAsciiLowerMap[i].from;
+    r = (*f)(OnigAsciiLowerMap[i].to, &code, 1, arg);
+    if (r != 0) return r;
+  }
+
+  return 0;
+}
+
+extern int
+onigenc_ascii_get_case_fold_codes_by_str(OnigCaseFoldType flag ARG_UNUSED,
+	 const OnigUChar* p, const OnigUChar* end ARG_UNUSED,
+	 OnigCaseFoldCodeItem items[])
+{
+  if (0x41 <= *p && *p <= 0x5a) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p + 0x20);
+    return 1;
+  }
+  else if (0x61 <= *p && *p <= 0x7a) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p - 0x20);
+    return 1;
+  }
+  else
+    return 0;
+}
+
+static int
+ss_apply_all_case_fold(OnigCaseFoldType flag ARG_UNUSED,
+		       OnigApplyAllCaseFoldFunc f, void* arg)
+{
+  static OnigCodePoint ss[] = { 0x73, 0x73 };
+
+  return (*f)((OnigCodePoint )0xdf, ss, 2, arg);
+}
+
+extern int
+onigenc_apply_all_case_fold_with_map(int map_size,
+    const OnigPairCaseFoldCodes map[],
+    int ess_tsett_flag, OnigCaseFoldType flag,
+    OnigApplyAllCaseFoldFunc f, void* arg)
+{
+  OnigCodePoint code;
+  int i, r;
+
+  r = onigenc_ascii_apply_all_case_fold(flag, f, arg);
+  if (r != 0) return r;
+
+  for (i = 0; i < map_size; i++) {
+    code = map[i].to;
+    r = (*f)(map[i].from, &code, 1, arg);
+    if (r != 0) return r;
+
+    code = map[i].from;
+    r = (*f)(map[i].to, &code, 1, arg);
+    if (r != 0) return r;
+  }
+
+  if (ess_tsett_flag != 0)
+    return ss_apply_all_case_fold(flag, f, arg);
+
+  return 0;
+}
+
+extern int
+onigenc_get_case_fold_codes_by_str_with_map(int map_size,
+    const OnigPairCaseFoldCodes map[],
+    int ess_tsett_flag, OnigCaseFoldType flag ARG_UNUSED,
+    const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])
+{
+  if (0x41 <= *p && *p <= 0x5a) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p + 0x20);
+    if (*p == 0x53 && ess_tsett_flag != 0 && end > p + 1
+	&& (*(p+1) == 0x53 || *(p+1) == 0x73)) {
+      /* SS */
+      items[1].byte_len = 2;
+      items[1].code_len = 1;
+      items[1].code[0] = (OnigCodePoint )0xdf;
+      return 2;
+    }
+    else
+      return 1;
+  }
+  else if (0x61 <= *p && *p <= 0x7a) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p - 0x20);
+    if (*p == 0x73 && ess_tsett_flag != 0 && end > p + 1
+	&& (*(p+1) == 0x73 || *(p+1) == 0x53)) {
+      /* ss */
+      items[1].byte_len = 2;
+      items[1].code_len = 1;
+      items[1].code[0] = (OnigCodePoint )0xdf;
+      return 2;
+    }
+    else
+      return 1;
+  }
+  else if (*p == 0xdf && ess_tsett_flag != 0) {
+    items[0].byte_len = 1;
+    items[0].code_len = 2;
+    items[0].code[0] = (OnigCodePoint )'s';
+    items[0].code[1] = (OnigCodePoint )'s';
+
+    items[1].byte_len = 1;
+    items[1].code_len = 2;
+    items[1].code[0] = (OnigCodePoint )'S';
+    items[1].code[1] = (OnigCodePoint )'S';
+
+    items[2].byte_len = 1;
+    items[2].code_len = 2;
+    items[2].code[0] = (OnigCodePoint )'s';
+    items[2].code[1] = (OnigCodePoint )'S';
+
+    items[3].byte_len = 1;
+    items[3].code_len = 2;
+    items[3].code[0] = (OnigCodePoint )'S';
+    items[3].code[1] = (OnigCodePoint )'s';
+
+    return 4;
+  }
+  else {
+    int i;
+
+    for (i = 0; i < map_size; i++) {
+      if (*p == map[i].from) {
+	items[0].byte_len = 1;
+	items[0].code_len = 1;
+	items[0].code[0] = map[i].to;
+	return 1;
+      }
+      else if (*p == map[i].to) {
+	items[0].byte_len = 1;
+	items[0].code_len = 1;
+	items[0].code[0] = map[i].from;
+	return 1;
+      }
+    }
+  }
+
+  return 0;
+}
+
+
+extern int
+onigenc_not_support_get_ctype_code_range(OnigCtype ctype ARG_UNUSED,
+	 OnigCodePoint* sb_out ARG_UNUSED,
+	 const OnigCodePoint* ranges[] ARG_UNUSED)
+{
+  return ONIG_NO_SUPPORT_CONFIG;
+}
+
+extern int
+onigenc_is_mbc_newline_0x0a(const UChar* p, const UChar* end)
+{
+  if (p < end) {
+    if (*p == 0x0a) return 1;
+  }
+  return 0;
+}
+
+/* for single byte encodings */
+extern int
+onigenc_ascii_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED, const UChar** p,
+	    const UChar*end ARG_UNUSED, UChar* lower)
+{
+  *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(**p);
+
+  (*p)++;
+  return 1; /* return byte length of converted char to lower */
+}
+
+#if 0
+extern int
+onigenc_ascii_is_mbc_ambiguous(OnigCaseFoldType flag,
+			       const UChar** pp, const UChar* end)
+{
+  const UChar* p = *pp;
+
+  (*pp)++;
+  return ONIGENC_IS_ASCII_CODE_CASE_AMBIG(*p);
+}
+#endif
+
+extern int
+onigenc_single_byte_mbc_enc_len(const UChar* p ARG_UNUSED)
+{
+  return 1;
+}
+
+extern OnigCodePoint
+onigenc_single_byte_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED)
+{
+  return (OnigCodePoint )(*p);
+}
+
+extern int
+onigenc_single_byte_code_to_mbclen(OnigCodePoint code ARG_UNUSED)
+{
+  return (code < 0x100 ? 1 : ONIGERR_INVALID_CODE_POINT_VALUE);
+}
+
+extern int
+onigenc_single_byte_code_to_mbc(OnigCodePoint code, UChar *buf)
+{
+  *buf = (UChar )(code & 0xff);
+  return 1;
+}
+
+extern UChar*
+onigenc_single_byte_left_adjust_char_head(const UChar* start ARG_UNUSED,
+					  const UChar* s)
+{
+  return (UChar* )s;
+}
+
+extern int
+onigenc_always_true_is_allowed_reverse_match(const UChar* s   ARG_UNUSED,
+					     const UChar* end ARG_UNUSED)
+{
+  return TRUE;
+}
+
+extern int
+onigenc_always_false_is_allowed_reverse_match(const UChar* s   ARG_UNUSED,
+					      const UChar* end ARG_UNUSED)
+{
+  return FALSE;
+}
+
+extern OnigCodePoint
+onigenc_mbn_mbc_to_code(OnigEncoding enc, const UChar* p, const UChar* end)
+{
+  int c, i, len;
+  OnigCodePoint n;
+
+  len = enclen(enc, p);
+  n = (OnigCodePoint )(*p++);
+  if (len == 1) return n;
+
+  for (i = 1; i < len; i++) {
+    if (p >= end) break;
+    c = *p++;
+    n <<= 8;  n += c;
+  }
+  return n;
+}
+
+extern int
+onigenc_mbn_mbc_case_fold(OnigEncoding enc, OnigCaseFoldType flag ARG_UNUSED,
+                          const UChar** pp, const UChar* end ARG_UNUSED,
+			  UChar* lower)
+{
+  int len;
+  const UChar *p = *pp;
+
+  if (ONIGENC_IS_MBC_ASCII(p)) {
+    *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
+    (*pp)++;
+    return 1;
+  }
+  else {
+    int i;
+
+    len = enclen(enc, p);
+    for (i = 0; i < len; i++) {
+      *lower++ = *p++;
+    }
+    (*pp) += len;
+    return len; /* return byte length of converted to lower char */
+  }
+}
+
+#if 0
+extern int
+onigenc_mbn_is_mbc_ambiguous(OnigEncoding enc, OnigCaseFoldType flag,
+                             const UChar** pp, const UChar* end)
+{
+  const UChar* p = *pp;
+
+  if (ONIGENC_IS_MBC_ASCII(p)) {
+    (*pp)++;
+    return ONIGENC_IS_ASCII_CODE_CASE_AMBIG(*p);
+  }
+
+  (*pp) += enclen(enc, p);
+  return FALSE;
+}
+#endif
+
+extern int
+onigenc_mb2_code_to_mbclen(OnigCodePoint code)
+{
+  if ((code & 0xff00) != 0) return 2;
+  else return 1;
+}
+
+extern int
+onigenc_mb4_code_to_mbclen(OnigCodePoint code)
+{
+       if ((code & 0xff000000) != 0) return 4;
+  else if ((code & 0xff0000) != 0) return 3;
+  else if ((code & 0xff00) != 0) return 2;
+  else return 1;
+}
+
+extern int
+onigenc_mb2_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf)
+{
+  UChar *p = buf;
+
+  if ((code & 0xff00) != 0) {
+    *p++ = (UChar )((code >>  8) & 0xff);
+  }
+  *p++ = (UChar )(code & 0xff);
+
+#if 1
+  if (enclen(enc, buf) != (p - buf))
+    return ONIGERR_INVALID_CODE_POINT_VALUE;
+#endif
+  return (int)(p - buf);
+}
+
+extern int
+onigenc_mb4_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf)
+{
+  UChar *p = buf;
+
+  if ((code & 0xff000000) != 0) {
+    *p++ = (UChar )((code >> 24) & 0xff);
+  }
+  if ((code & 0xff0000) != 0 || p != buf) {
+    *p++ = (UChar )((code >> 16) & 0xff);
+  }
+  if ((code & 0xff00) != 0 || p != buf) {
+    *p++ = (UChar )((code >> 8) & 0xff);
+  }
+  *p++ = (UChar )(code & 0xff);
+
+#if 1
+  if (enclen(enc, buf) != (p - buf))
+    return ONIGERR_INVALID_CODE_POINT_VALUE;
+#endif
+  return (int)(p - buf);
+}
+
+extern int
+onigenc_minimum_property_name_to_ctype(OnigEncoding enc, UChar* p, UChar* end)
+{
+  static PosixBracketEntryType PBS[] = {
+    { (UChar* )"Alnum",  ONIGENC_CTYPE_ALNUM,  5 },
+    { (UChar* )"Alpha",  ONIGENC_CTYPE_ALPHA,  5 },
+    { (UChar* )"Blank",  ONIGENC_CTYPE_BLANK,  5 },
+    { (UChar* )"Cntrl",  ONIGENC_CTYPE_CNTRL,  5 },
+    { (UChar* )"Digit",  ONIGENC_CTYPE_DIGIT,  5 },
+    { (UChar* )"Graph",  ONIGENC_CTYPE_GRAPH,  5 },
+    { (UChar* )"Lower",  ONIGENC_CTYPE_LOWER,  5 },
+    { (UChar* )"Print",  ONIGENC_CTYPE_PRINT,  5 },
+    { (UChar* )"Punct",  ONIGENC_CTYPE_PUNCT,  5 },
+    { (UChar* )"Space",  ONIGENC_CTYPE_SPACE,  5 },
+    { (UChar* )"Upper",  ONIGENC_CTYPE_UPPER,  5 },
+    { (UChar* )"XDigit", ONIGENC_CTYPE_XDIGIT, 6 },
+    { (UChar* )"ASCII",  ONIGENC_CTYPE_ASCII,  5 },
+    { (UChar* )"Word",   ONIGENC_CTYPE_WORD,   4 },
+    { (UChar* )NULL, -1, 0 }
+  };
+
+  PosixBracketEntryType *pb;
+  int len;
+
+  len = onigenc_strlen(enc, p, end);
+  for (pb = PBS; IS_NOT_NULL(pb->name); pb++) {
+    if (len == pb->len &&
+        onigenc_with_ascii_strncmp(enc, p, end, pb->name, pb->len) == 0)
+      return pb->ctype;
+  }
+
+  return ONIGERR_INVALID_CHAR_PROPERTY_NAME;
+}
+
+extern int
+onigenc_mb2_is_code_ctype(OnigEncoding enc, OnigCodePoint code,
+			  unsigned int ctype)
+{
+  if (code < 128)
+    return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
+  else {
+    if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
+      return (ONIGENC_CODE_TO_MBCLEN(enc, code) > 1 ? TRUE : FALSE);
+    }
+  }
+
+  return FALSE;
+}
+
+extern int
+onigenc_mb4_is_code_ctype(OnigEncoding enc, OnigCodePoint code,
+			  unsigned int ctype)
+{
+  if (code < 128)
+    return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
+  else {
+    if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
+      return (ONIGENC_CODE_TO_MBCLEN(enc, code) > 1 ? TRUE : FALSE);
+    }
+  }
+
+  return FALSE;
+}
+
+extern int
+onigenc_with_ascii_strncmp(OnigEncoding enc, const UChar* p, const UChar* end,
+                           const UChar* sascii /* ascii */, int n)
+{
+  int x, c;
+
+  while (n-- > 0) {
+    if (p >= end) return (int )(*sascii);
+
+    c = (int )ONIGENC_MBC_TO_CODE(enc, p, end);
+    x = *sascii - c;
+    if (x) return x;
+
+    sascii++;
+    p += enclen(enc, p);
+  }
+  return 0;
+}
+
+/* Property management */
+static int
+resize_property_list(int new_size, const OnigCodePoint*** plist, int* psize)
+{
+  int size;
+  const OnigCodePoint **list = *plist;
+
+  size = sizeof(OnigCodePoint*) * new_size;
+  if (IS_NULL(list)) {
+    list = (const OnigCodePoint** )xmalloc(size);
+  }
+  else {
+    list = (const OnigCodePoint** )xrealloc((void* )list, size, *psize * sizeof(OnigCodePoint*));
+  }
+
+  if (IS_NULL(list)) return ONIGERR_MEMORY;
+
+  *plist = list;
+  *psize = new_size;
+
+  return 0;
+}
+
+extern int
+onigenc_property_list_add_property(UChar* name, const OnigCodePoint* prop,
+     hash_table_type **table, const OnigCodePoint*** plist, int *pnum,
+     int *psize)
+{
+#define PROP_INIT_SIZE     16
+
+  int r;
+
+  if (*psize <= *pnum) {
+    int new_size = (*psize == 0 ? PROP_INIT_SIZE : *psize * 2);
+    r = resize_property_list(new_size, plist, psize);
+    if (r != 0) return r;
+  }
+
+  (*plist)[*pnum] = prop;
+
+  if (ONIG_IS_NULL(*table)) {
+    *table = onig_st_init_strend_table_with_size(PROP_INIT_SIZE);
+    if (ONIG_IS_NULL(*table)) return ONIGERR_MEMORY;
+  }
+
+  *pnum = *pnum + 1;
+  onig_st_insert_strend(*table, name, name + strlen_s((char* )name, MAX_STRING_SIZE),
+			(hash_data_type )(*pnum + ONIGENC_MAX_STD_CTYPE));
+  return 0;
+}
+
+extern int
+onigenc_property_list_init(int (*f)(void))
+{
+  int r;
+
+  THREAD_ATOMIC_START;
+
+  r = f();
+
+  THREAD_ATOMIC_END;
+  return r;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regenc.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regenc.h
new file mode 100644
index 0000000000..1d39f9c054
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regenc.h
@@ -0,0 +1,189 @@
+#ifndef REGENC_H
+#define REGENC_H
+/**********************************************************************
+  regenc.h -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef PACKAGE
+/* PACKAGE is defined in config.h */
+//#include "config.h"
+#endif
+
+#ifdef ONIG_ESCAPE_UCHAR_COLLISION
+#undef ONIG_ESCAPE_UCHAR_COLLISION
+#endif
+
+#include "oniguruma.h"
+
+typedef struct {
+  OnigCodePoint from;
+  OnigCodePoint to;
+} OnigPairCaseFoldCodes;
+
+
+#ifndef NULL
+#define NULL   ((void* )0)
+#endif
+
+#ifndef TRUE
+#define TRUE    1
+#endif
+
+#ifndef FALSE
+#define FALSE   0
+#endif
+
+#ifndef ARG_UNUSED
+#if defined(__GNUC__)
+#  define ARG_UNUSED  __attribute__ ((unused))
+#else
+#  define ARG_UNUSED
+#endif
+#endif
+
+#define ONIG_IS_NULL(p)                    (((void*)(p)) == (void*)0)
+#define ONIG_IS_NOT_NULL(p)                (((void*)(p)) != (void*)0)
+#define ONIG_CHECK_NULL_RETURN(p)          if (ONIG_IS_NULL(p)) return NULL
+#define ONIG_CHECK_NULL_RETURN_VAL(p,val)  if (ONIG_IS_NULL(p)) return (val)
+
+#define enclen(enc,p)      ONIGENC_MBC_ENC_LEN(enc,p)
+
+/* character types bit flag */
+#define BIT_CTYPE_NEWLINE  (1<< ONIGENC_CTYPE_NEWLINE)
+#define BIT_CTYPE_ALPHA    (1<< ONIGENC_CTYPE_ALPHA)
+#define BIT_CTYPE_BLANK    (1<< ONIGENC_CTYPE_BLANK)
+#define BIT_CTYPE_CNTRL    (1<< ONIGENC_CTYPE_CNTRL)
+#define BIT_CTYPE_DIGIT    (1<< ONIGENC_CTYPE_DIGIT)
+#define BIT_CTYPE_GRAPH    (1<< ONIGENC_CTYPE_GRAPH)
+#define BIT_CTYPE_LOWER    (1<< ONIGENC_CTYPE_LOWER)
+#define BIT_CTYPE_PRINT    (1<< ONIGENC_CTYPE_PRINT)
+#define BIT_CTYPE_PUNCT    (1<< ONIGENC_CTYPE_PUNCT)
+#define BIT_CTYPE_SPACE    (1<< ONIGENC_CTYPE_SPACE)
+#define BIT_CTYPE_UPPER    (1<< ONIGENC_CTYPE_UPPER)
+#define BIT_CTYPE_XDIGIT   (1<< ONIGENC_CTYPE_XDIGIT)
+#define BIT_CTYPE_WORD     (1<< ONIGENC_CTYPE_WORD)
+#define BIT_CTYPE_ALNUM    (1<< ONIGENC_CTYPE_ALNUM)
+#define BIT_CTYPE_ASCII    (1<< ONIGENC_CTYPE_ASCII)
+
+#define CTYPE_TO_BIT(ctype)  (1<<(ctype))
+#define CTYPE_IS_WORD_GRAPH_PRINT(ctype) \
+  ((ctype) == ONIGENC_CTYPE_WORD || (ctype) == ONIGENC_CTYPE_GRAPH ||\
+   (ctype) == ONIGENC_CTYPE_PRINT)
+
+
+typedef struct {
+  UChar    *name;
+  int       ctype;
+  short int len;
+} PosixBracketEntryType;
+
+
+/* #define USE_CRNL_AS_LINE_TERMINATOR */
+#define USE_UNICODE_PROPERTIES
+/* #define USE_UNICODE_CASE_FOLD_TURKISH_AZERI */
+/* #define USE_UNICODE_ALL_LINE_TERMINATORS */  /* see Unicode.org UTF#18 */
+
+
+#define ONIG_ENCODING_INIT_DEFAULT           ONIG_ENCODING_ASCII
+
+/* for encoding system implementation (internal) */
+ONIG_EXTERN int onigenc_ascii_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg));
+ONIG_EXTERN int onigenc_ascii_get_case_fold_codes_by_str P_((OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]));
+ONIG_EXTERN int onigenc_apply_all_case_fold_with_map P_((int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg));
+ONIG_EXTERN int onigenc_get_case_fold_codes_by_str_with_map P_((int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]));
+ONIG_EXTERN int onigenc_not_support_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[]));
+ONIG_EXTERN int onigenc_is_mbc_newline_0x0a P_((const UChar* p, const UChar* end));
+
+
+/* methods for single byte encoding */
+ONIG_EXTERN int onigenc_ascii_mbc_case_fold P_((OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower));
+ONIG_EXTERN int onigenc_single_byte_mbc_enc_len P_((const UChar* p));
+ONIG_EXTERN OnigCodePoint onigenc_single_byte_mbc_to_code P_((const UChar* p, const UChar* end));
+ONIG_EXTERN int onigenc_single_byte_code_to_mbclen P_((OnigCodePoint code));
+ONIG_EXTERN int onigenc_single_byte_code_to_mbc P_((OnigCodePoint code, UChar *buf));
+ONIG_EXTERN UChar* onigenc_single_byte_left_adjust_char_head P_((const UChar* start, const UChar* s));
+ONIG_EXTERN int onigenc_always_true_is_allowed_reverse_match P_((const UChar* s, const UChar* end));
+ONIG_EXTERN int onigenc_always_false_is_allowed_reverse_match P_((const UChar* s, const UChar* end));
+
+/* methods for multi byte encoding */
+ONIG_EXTERN OnigCodePoint onigenc_mbn_mbc_to_code P_((OnigEncoding enc, const UChar* p, const UChar* end));
+ONIG_EXTERN int onigenc_mbn_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower));
+ONIG_EXTERN int onigenc_mb2_code_to_mbclen P_((OnigCodePoint code));
+ONIG_EXTERN int onigenc_mb2_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf));
+ONIG_EXTERN int onigenc_minimum_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end));
+ONIG_EXTERN int onigenc_unicode_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end));
+ONIG_EXTERN int onigenc_mb2_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype));
+ONIG_EXTERN int onigenc_mb4_code_to_mbclen P_((OnigCodePoint code));
+ONIG_EXTERN int onigenc_mb4_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf));
+ONIG_EXTERN int onigenc_mb4_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype));
+
+
+/* in enc/unicode.c */
+ONIG_EXTERN int onigenc_unicode_is_code_ctype P_((OnigCodePoint code, unsigned int ctype));
+ONIG_EXTERN int onigenc_utf16_32_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint *sb_out, const OnigCodePoint* ranges[]));
+ONIG_EXTERN int onigenc_unicode_ctype_code_range P_((int ctype, const OnigCodePoint* ranges[]));
+ONIG_EXTERN int onigenc_unicode_get_case_fold_codes_by_str P_((OnigEncoding enc, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]));
+ONIG_EXTERN int onigenc_unicode_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* fold));
+ONIG_EXTERN int onigenc_unicode_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg));
+
+
+#define UTF16_IS_SURROGATE_FIRST(c)    (((c) & 0xfc) == 0xd8)
+#define UTF16_IS_SURROGATE_SECOND(c)   (((c) & 0xfc) == 0xdc)
+
+#define ONIGENC_ISO_8859_1_TO_LOWER_CASE(c) \
+  OnigEncISO_8859_1_ToLowerCaseTable[c]
+#define ONIGENC_ISO_8859_1_TO_UPPER_CASE(c) \
+  OnigEncISO_8859_1_ToUpperCaseTable[c]
+
+ONIG_EXTERN const UChar OnigEncISO_8859_1_ToLowerCaseTable[];
+ONIG_EXTERN const UChar OnigEncISO_8859_1_ToUpperCaseTable[];
+
+ONIG_EXTERN int
+onigenc_with_ascii_strncmp P_((OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n));
+ONIG_EXTERN UChar*
+onigenc_step P_((OnigEncoding enc, const UChar* p, const UChar* end, int n));
+
+/* defined in regexec.c, but used in enc/xxx.c */
+extern int  onig_is_in_code_range P_((const UChar* p, OnigCodePoint code));
+
+ONIG_EXTERN OnigEncoding  OnigEncDefaultCharEncoding;
+ONIG_EXTERN const UChar  OnigEncAsciiToLowerCaseTable[];
+ONIG_EXTERN const UChar  OnigEncAsciiToUpperCaseTable[];
+ONIG_EXTERN const unsigned short OnigEncAsciiCtypeTable[];
+
+#define ONIGENC_IS_ASCII_CODE(code)  ((code) < 0x80)
+#define ONIGENC_ASCII_CODE_TO_LOWER_CASE(c) OnigEncAsciiToLowerCaseTable[c]
+#define ONIGENC_ASCII_CODE_TO_UPPER_CASE(c) OnigEncAsciiToUpperCaseTable[c]
+#define ONIGENC_IS_ASCII_CODE_CTYPE(code,ctype) \
+  ((OnigEncAsciiCtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
+#define ONIGENC_IS_ASCII_CODE_CASE_AMBIG(code) \
+ (ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_UPPER) ||\
+  ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_LOWER))
+   
+
+#endif /* REGENC_H */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c
new file mode 100644
index 0000000000..7bbcd02bcd
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c
@@ -0,0 +1,394 @@
+/**********************************************************************
+  regerror.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2007  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#define HAVE_STDARG_PROTOTYPES
+
+#include "regint.h"
+
+#if 0
+#include <stdio.h> /* for vsnprintf() */
+
+#ifdef HAVE_STDARG_PROTOTYPES
+#include <stdarg.h>
+#define va_init_list(a,b) va_start(a,b)
+#else
+#include <varargs.h>
+#define va_init_list(a,b) va_start(a)
+#endif
+#endif
+
+extern UChar*
+onig_error_code_to_format(int code)
+{
+  char *p;
+
+  if (code >= 0) return (UChar* )0;
+
+  switch (code) {
+  case ONIG_MISMATCH:
+    p = "mismatch"; break;
+  case ONIG_NO_SUPPORT_CONFIG:
+    p = "no support in this configuration"; break;
+  case ONIGERR_MEMORY:
+    p = "fail to memory allocation"; break;
+  case ONIGERR_MATCH_STACK_LIMIT_OVER:
+    p = "match-stack limit over"; break;
+  case ONIGERR_TYPE_BUG:
+    p = "undefined type (bug)"; break;
+  case ONIGERR_PARSER_BUG:
+    p = "internal parser error (bug)"; break;
+  case ONIGERR_STACK_BUG:
+    p = "stack error (bug)"; break;
+  case ONIGERR_UNDEFINED_BYTECODE:
+    p = "undefined bytecode (bug)"; break;
+  case ONIGERR_UNEXPECTED_BYTECODE:
+    p = "unexpected bytecode (bug)"; break;
+  case ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED:
+    p = "default multibyte-encoding is not setted"; break;
+  case ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR:
+    p = "can't convert to wide-char on specified multibyte-encoding"; break;
+  case ONIGERR_INVALID_ARGUMENT:
+    p = "invalid argument"; break;
+  case ONIGERR_END_PATTERN_AT_LEFT_BRACE:
+    p = "end pattern at left brace"; break;
+  case ONIGERR_END_PATTERN_AT_LEFT_BRACKET:
+    p = "end pattern at left bracket"; break;
+  case ONIGERR_EMPTY_CHAR_CLASS:
+    p = "empty char-class"; break;
+  case ONIGERR_PREMATURE_END_OF_CHAR_CLASS:
+    p = "premature end of char-class"; break;
+  case ONIGERR_END_PATTERN_AT_ESCAPE:
+    p = "end pattern at escape"; break;
+  case ONIGERR_END_PATTERN_AT_META:
+    p = "end pattern at meta"; break;
+  case ONIGERR_END_PATTERN_AT_CONTROL:
+    p = "end pattern at control"; break;
+  case ONIGERR_META_CODE_SYNTAX:
+    p = "invalid meta-code syntax"; break;
+  case ONIGERR_CONTROL_CODE_SYNTAX:
+    p = "invalid control-code syntax"; break;
+  case ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE:
+    p = "char-class value at end of range"; break;
+  case ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE:
+    p = "char-class value at start of range"; break;
+  case ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS:
+    p = "unmatched range specifier in char-class"; break;
+  case ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED:
+    p = "target of repeat operator is not specified"; break;
+  case ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID:
+    p = "target of repeat operator is invalid"; break;
+  case ONIGERR_NESTED_REPEAT_OPERATOR:
+    p = "nested repeat operator"; break;
+  case ONIGERR_UNMATCHED_CLOSE_PARENTHESIS:
+    p = "unmatched close parenthesis"; break;
+  case ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS:
+    p = "end pattern with unmatched parenthesis"; break;
+  case ONIGERR_END_PATTERN_IN_GROUP:
+    p = "end pattern in group"; break;
+  case ONIGERR_UNDEFINED_GROUP_OPTION:
+    p = "undefined group option"; break;
+  case ONIGERR_INVALID_POSIX_BRACKET_TYPE:
+    p = "invalid POSIX bracket type"; break;
+  case ONIGERR_INVALID_LOOK_BEHIND_PATTERN:
+    p = "invalid pattern in look-behind"; break;
+  case ONIGERR_INVALID_REPEAT_RANGE_PATTERN:
+    p = "invalid repeat range {lower,upper}"; break;
+  case ONIGERR_TOO_BIG_NUMBER:
+    p = "too big number"; break;
+  case ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE:
+    p = "too big number for repeat range"; break;
+  case ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE:
+    p = "upper is smaller than lower in repeat range"; break;
+  case ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS:
+    p = "empty range in char class"; break;
+  case ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE:
+    p = "mismatch multibyte code length in char-class range"; break;
+  case ONIGERR_TOO_MANY_MULTI_BYTE_RANGES:
+    p = "too many multibyte code ranges are specified"; break;
+  case ONIGERR_TOO_SHORT_MULTI_BYTE_STRING:
+    p = "too short multibyte code string"; break;
+  case ONIGERR_TOO_BIG_BACKREF_NUMBER:
+    p = "too big backref number"; break;
+  case ONIGERR_INVALID_BACKREF:
+#ifdef USE_NAMED_GROUP
+    p = "invalid backref number/name"; break;
+#else
+    p = "invalid backref number"; break;
+#endif
+  case ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED:
+    p = "numbered backref/call is not allowed. (use name)"; break;
+  case ONIGERR_TOO_BIG_WIDE_CHAR_VALUE:
+    p = "too big wide-char value"; break;
+  case ONIGERR_TOO_LONG_WIDE_CHAR_VALUE:
+    p = "too long wide-char value"; break;
+  case ONIGERR_INVALID_CODE_POINT_VALUE:
+    p = "invalid code point value"; break;
+  case ONIGERR_EMPTY_GROUP_NAME:
+    p = "group name is empty"; break;
+  case ONIGERR_INVALID_GROUP_NAME:
+    p = "invalid group name <%n>"; break;
+  case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
+#ifdef USE_NAMED_GROUP
+    p = "invalid char in group name <%n>"; break;
+#else
+    p = "invalid char in group number <%n>"; break;
+#endif
+  case ONIGERR_UNDEFINED_NAME_REFERENCE:
+    p = "undefined name <%n> reference"; break;
+  case ONIGERR_UNDEFINED_GROUP_REFERENCE:
+    p = "undefined group <%n> reference"; break;
+  case ONIGERR_MULTIPLEX_DEFINED_NAME:
+    p = "multiplex defined name <%n>"; break;
+  case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
+    p = "multiplex definition name <%n> call"; break;
+  case ONIGERR_NEVER_ENDING_RECURSION:
+    p = "never ending recursion"; break;
+  case ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY:
+    p = "group number is too big for capture history"; break;
+  case ONIGERR_INVALID_CHAR_PROPERTY_NAME:
+    p = "invalid character property name {%n}"; break;
+  case ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION:
+    p = "not supported encoding combination"; break;
+  case ONIGERR_INVALID_COMBINATION_OF_OPTIONS:
+    p = "invalid combination of options"; break;
+  case ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT:
+    p = "over thread pass limit count"; break;
+
+  default:
+    p = "undefined error code"; break;
+  }
+
+  return (UChar* )p;
+}
+
+static void sprint_byte(char* s, unsigned int v)
+{
+  sprintf(s, "%02x", (v & 0377));
+}
+
+static void sprint_byte_with_x(char* s, unsigned int v)
+{
+  sprintf(s, "\\x%02x", (v & 0377));
+}
+
+static int to_ascii(OnigEncoding enc, UChar *s, UChar *end,
+		    UChar buf[], int buf_size, int *is_over)
+{
+  int len;
+  UChar *p;
+  OnigCodePoint code;
+
+  if (ONIGENC_MBC_MINLEN(enc) > 1) {
+    p = s;
+    len = 0;
+    while (p < end) {
+      code = ONIGENC_MBC_TO_CODE(enc, p, end);
+      if (code >= 0x80) {
+	if (code > 0xffff && len + 10 <= buf_size) {
+	  sprint_byte_with_x((char*)(&(buf[len])), (unsigned int)(code >> 24));
+	  sprint_byte((char*)(&(buf[len+4])),      (unsigned int)(code >> 16));
+	  sprint_byte((char*)(&(buf[len+6])),      (unsigned int)(code >>  8));
+	  sprint_byte((char*)(&(buf[len+8])),      (unsigned int)code);
+	  len += 10;
+	}
+	else if (len + 6 <= buf_size) {
+	  sprint_byte_with_x((char*)(&(buf[len])), (unsigned int)(code >> 8));
+	  sprint_byte((char*)(&(buf[len+4])),      (unsigned int)code);
+	  len += 6;
+	}
+	else {
+	  break;
+	}
+      }
+      else {
+	buf[len++] = (UChar )code;
+      }
+
+      p += enclen(enc, p);
+      if (len >= buf_size) break;
+    }
+
+    *is_over = ((p < end) ? 1 : 0);
+  }
+  else {
+    len = MIN((int)(end - s), buf_size);
+    xmemcpy(buf, s, (size_t )len);
+    *is_over = ((buf_size < (end - s)) ? 1 : 0);
+  }
+
+  return len;
+}
+
+
+/* for ONIG_MAX_ERROR_MESSAGE_LEN */
+#define MAX_ERROR_PAR_LEN   30
+
+extern int
+#ifdef HAVE_STDARG_PROTOTYPES
+onig_error_code_to_str(UChar* s, int code, ...)
+#else
+onig_error_code_to_str(s, code, va_alist)
+  UChar* s;
+  int code;
+  va_dcl 
+#endif
+{
+  UChar *p, *q;
+  OnigErrorInfo* einfo;
+  int len, is_over;
+  UChar parbuf[MAX_ERROR_PAR_LEN];
+  va_list vargs;
+
+  va_init_list(vargs, code);
+
+  switch (code) {
+  case ONIGERR_UNDEFINED_NAME_REFERENCE:
+  case ONIGERR_UNDEFINED_GROUP_REFERENCE:
+  case ONIGERR_MULTIPLEX_DEFINED_NAME:
+  case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
+  case ONIGERR_INVALID_GROUP_NAME:
+  case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
+  case ONIGERR_INVALID_CHAR_PROPERTY_NAME:
+    einfo = va_arg(vargs, OnigErrorInfo*);
+    len = to_ascii(einfo->enc, einfo->par, einfo->par_end,
+		   parbuf, MAX_ERROR_PAR_LEN - 3, &is_over);
+    q = onig_error_code_to_format(code);
+    p = s;
+    while (*q != '\0') {
+      if (*q == '%') {
+	q++;
+	if (*q == 'n') { /* '%n': name */
+	  xmemcpy(p, parbuf, len);
+	  p += len;
+	  if (is_over != 0) {
+	    xmemcpy(p, "...", 3);
+	    p += 3;
+	  }
+	  q++;
+	}
+	else
+	  goto normal_char;
+      }
+      else {
+      normal_char:
+	*p++ = *q++;
+      }
+    }
+    *p = '\0';
+    len = (int)(p - s);
+    break;
+
+  default:
+    q = onig_error_code_to_format(code);
+    len = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, q);
+    xmemcpy(s, q, len);
+    s[len] = '\0';
+    break;
+  }
+
+  va_end(vargs);
+  return len;
+}
+
+
+void
+#ifdef HAVE_STDARG_PROTOTYPES
+onig_snprintf_with_pattern(UChar buf[], int bufsize, OnigEncoding enc,
+                           UChar* pat, UChar* pat_end, const UChar *fmt, ...)
+#else
+onig_snprintf_with_pattern(buf, bufsize, enc, pat, pat_end, fmt, va_alist)
+    UChar buf[];
+    int bufsize;
+    OnigEncoding enc;
+    UChar* pat;
+    UChar* pat_end;
+    const UChar *fmt;
+    va_dcl
+#endif
+{
+  int n, need, len;
+  UChar *p, *s, *bp;
+  UChar bs[6];
+  va_list args;
+
+  va_init_list(args, fmt);
+  n = xvsnprintf((char* )buf, bufsize, (const char* )fmt, args);
+  va_end(args);
+
+  need = (int)(pat_end - pat) * 4 + 4;
+
+  if (n + need < bufsize) {
+    strcat_s((char* )buf, bufsize, ": /");
+    s = buf + onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, buf);
+
+    p = pat;
+    while (p < pat_end) {
+      if (*p == '\\') {
+	*s++ = *p++;
+	len = enclen(enc, p);
+	while (len-- > 0) *s++ = *p++;
+      }
+      else if (*p == '/') {
+	*s++ = (unsigned char )'\\';
+	*s++ = *p++;
+      }
+      else if (ONIGENC_IS_MBC_HEAD(enc, p)) {
+        len = enclen(enc, p);
+        if (ONIGENC_MBC_MINLEN(enc) == 1) {
+          while (len-- > 0) *s++ = *p++;
+        }
+        else { /* for UTF16 */
+          int blen;
+
+          while (len-- > 0) {
+	    sprint_byte_with_x((char* )bs, (unsigned int )(*p++));
+            blen = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, bs);
+            bp = bs;
+            while (blen-- > 0) *s++ = *bp++;
+          }
+        }
+      }
+      else if (!ONIGENC_IS_CODE_PRINT(enc, *p) &&
+	       !ONIGENC_IS_CODE_SPACE(enc, *p)) {
+	sprint_byte_with_x((char* )bs, (unsigned int )(*p++));
+	len = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, bs);
+        bp = bs;
+	while (len-- > 0) *s++ = *bp++;
+      }
+      else {
+	*s++ = *p++;
+      }
+    }
+
+    *s++ = '/';
+    *s   = '\0';
+  }
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regexec.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regexec.c
new file mode 100644
index 0000000000..4bfea0bf09
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regexec.c
@@ -0,0 +1,3810 @@
+/**********************************************************************
+  regexec.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regint.h"
+
+#define USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+
+#ifdef USE_CRNL_AS_LINE_TERMINATOR
+#define ONIGENC_IS_MBC_CRNL(enc,p,end) \
+  (ONIGENC_MBC_TO_CODE(enc,p,end) == 13 && \
+   ONIGENC_IS_MBC_NEWLINE(enc,(p+enclen(enc,p)),end))
+#endif
+
+#ifdef USE_CAPTURE_HISTORY
+static void history_tree_free(OnigCaptureTreeNode* node);
+
+static void
+history_tree_clear(OnigCaptureTreeNode* node)
+{
+  int i;
+
+  if (IS_NOT_NULL(node)) {
+    for (i = 0; i < node->num_childs; i++) {
+      if (IS_NOT_NULL(node->childs[i])) {
+        history_tree_free(node->childs[i]);
+      }
+    }
+    for (i = 0; i < node->allocated; i++) {
+      node->childs[i] = (OnigCaptureTreeNode* )0;
+    }
+    node->num_childs = 0;
+    node->beg = ONIG_REGION_NOTPOS;
+    node->end = ONIG_REGION_NOTPOS;
+    node->group = -1;
+  }
+}
+
+static void
+history_tree_free(OnigCaptureTreeNode* node)
+{
+  history_tree_clear(node);
+  xfree(node);
+}
+
+static void
+history_root_free(OnigRegion* r)
+{
+  if (IS_NOT_NULL(r->history_root)) {
+    history_tree_free(r->history_root);
+    r->history_root = (OnigCaptureTreeNode* )0;
+  }
+}
+
+static OnigCaptureTreeNode*
+history_node_new(void)
+{
+  OnigCaptureTreeNode* node;
+
+  node = (OnigCaptureTreeNode* )xmalloc(sizeof(OnigCaptureTreeNode));
+  CHECK_NULL_RETURN(node);
+  node->childs     = (OnigCaptureTreeNode** )0;
+  node->allocated  = 0;
+  node->num_childs = 0;
+  node->group      = -1;
+  node->beg        = ONIG_REGION_NOTPOS;
+  node->end        = ONIG_REGION_NOTPOS;
+
+  return node;
+}
+
+static int
+history_tree_add_child(OnigCaptureTreeNode* parent, OnigCaptureTreeNode* child)
+{
+#define HISTORY_TREE_INIT_ALLOC_SIZE  8
+
+  if (parent->num_childs >= parent->allocated) {
+    int n, i;
+
+    if (IS_NULL(parent->childs)) {
+      n = HISTORY_TREE_INIT_ALLOC_SIZE;
+      parent->childs =
+        (OnigCaptureTreeNode** )xmalloc(sizeof(OnigCaptureTreeNode*) * n);
+    }
+    else {
+      n = parent->allocated * 2;
+      parent->childs =
+        (OnigCaptureTreeNode** )xrealloc(parent->childs,
+                                         sizeof(OnigCaptureTreeNode*) * n,
+                                         sizeof(OnigCaptureTreeNode*) * parent->allocated);
+    }
+    CHECK_NULL_RETURN_MEMERR(parent->childs);
+    for (i = parent->allocated; i < n; i++) {
+      parent->childs[i] = (OnigCaptureTreeNode* )0;
+    }
+    parent->allocated = n;
+  }
+
+  parent->childs[parent->num_childs] = child;
+  parent->num_childs++;
+  return 0;
+}
+
+static OnigCaptureTreeNode*
+history_tree_clone(OnigCaptureTreeNode* node)
+{
+  int i;
+  OnigCaptureTreeNode *clone, *child;
+
+  clone = history_node_new();
+  CHECK_NULL_RETURN(clone);
+
+  clone->beg = node->beg;
+  clone->end = node->end;
+  for (i = 0; i < node->num_childs; i++) {
+    child = history_tree_clone(node->childs[i]);
+    if (IS_NULL(child)) {
+      history_tree_free(clone);
+      return (OnigCaptureTreeNode* )0;
+    }
+    history_tree_add_child(clone, child);
+  }
+
+  return clone;
+}
+
+extern  OnigCaptureTreeNode*
+onig_get_capture_tree(OnigRegion* region)
+{
+  return region->history_root;
+}
+#endif /* USE_CAPTURE_HISTORY */
+
+extern void
+onig_region_clear(OnigRegion* region)
+{
+  int i;
+
+  for (i = 0; i < region->num_regs; i++) {
+    region->beg[i] = region->end[i] = ONIG_REGION_NOTPOS;
+  }
+#ifdef USE_CAPTURE_HISTORY
+  history_root_free(region);
+#endif
+}
+
+extern int
+onig_region_resize(OnigRegion* region, int n)
+{
+  region->num_regs = n;
+
+  if (n < ONIG_NREGION)
+    n = ONIG_NREGION;
+
+  if (region->allocated == 0) {
+    region->beg = (int* )xmalloc(n * sizeof(int));
+    region->end = (int* )xmalloc(n * sizeof(int));
+
+    if (region->beg == 0 || region->end == 0)
+      return ONIGERR_MEMORY;
+
+    region->allocated = n;
+  }
+  else if (region->allocated < n) {
+    region->beg = (int* )xrealloc(region->beg, n * sizeof(int), region->allocated * sizeof(int));
+    region->end = (int* )xrealloc(region->end, n * sizeof(int), region->allocated * sizeof(int));
+
+    if (region->beg == 0 || region->end == 0)
+      return ONIGERR_MEMORY;
+
+    region->allocated = n;
+  }
+
+  return 0;
+}
+
+static int
+onig_region_resize_clear(OnigRegion* region, int n)
+{
+  int r;
+  
+  r = onig_region_resize(region, n);
+  if (r != 0) return r;
+  onig_region_clear(region);
+  return 0;
+}
+    
+extern int
+onig_region_set(OnigRegion* region, int at, int beg, int end)
+{
+  if (at < 0) return ONIGERR_INVALID_ARGUMENT;
+
+  if (at >= region->allocated) {
+    int r = onig_region_resize(region, at + 1);
+    if (r < 0) return r;
+  }
+  
+  region->beg[at] = beg;
+  region->end[at] = end;
+  return 0;
+}
+
+extern void
+onig_region_init(OnigRegion* region)
+{
+  region->num_regs     = 0;
+  region->allocated    = 0;
+  region->beg          = (int* )0;
+  region->end          = (int* )0;
+  region->history_root = (OnigCaptureTreeNode* )0;
+}
+
+extern OnigRegion*
+onig_region_new(void)
+{
+  OnigRegion* r;
+
+  r = (OnigRegion* )xmalloc(sizeof(OnigRegion));
+  onig_region_init(r);
+  return r;
+}
+
+extern void
+onig_region_free(OnigRegion* r, int free_self)
+{
+  if (r) {
+    if (r->allocated > 0) {
+      if (r->beg) xfree(r->beg);
+      if (r->end) xfree(r->end);
+      r->allocated = 0;
+    }
+#ifdef USE_CAPTURE_HISTORY
+    history_root_free(r);
+#endif
+    if (free_self) xfree(r);
+  }
+}
+
+extern void
+onig_region_copy(OnigRegion* to, OnigRegion* from)
+{
+#define RREGC_SIZE   (sizeof(int) * from->num_regs)
+  int i;
+
+  if (to == from) return;
+
+  if (to->allocated == 0) {
+    if (from->num_regs > 0) {
+      to->beg = (int* )xmalloc(RREGC_SIZE);
+      to->end = (int* )xmalloc(RREGC_SIZE);
+      to->allocated = from->num_regs;
+    }
+  }
+  else if (to->allocated < from->num_regs) {
+    to->beg = (int* )xrealloc(to->beg, RREGC_SIZE, sizeof(int) * to->allocated);
+    to->end = (int* )xrealloc(to->end, RREGC_SIZE, sizeof(int) * to->allocated);
+    to->allocated = from->num_regs;
+  }
+
+  for (i = 0; i < from->num_regs; i++) {
+    to->beg[i] = from->beg[i];
+    to->end[i] = from->end[i];
+  }
+  to->num_regs = from->num_regs;
+
+#ifdef USE_CAPTURE_HISTORY
+  history_root_free(to);
+
+  if (IS_NOT_NULL(from->history_root)) {
+    to->history_root = history_tree_clone(from->history_root);
+  }
+#endif
+}
+
+
+/** stack **/
+#define INVALID_STACK_INDEX   -1
+
+/* stack type */
+/* used by normal-POP */
+#define STK_ALT                    0x0001
+#define STK_LOOK_BEHIND_NOT        0x0002
+#define STK_POS_NOT                0x0003
+/* handled by normal-POP */
+#define STK_MEM_START              0x0100
+#define STK_MEM_END                0x8200
+#define STK_REPEAT_INC             0x0300
+#define STK_STATE_CHECK_MARK       0x1000
+/* avoided by normal-POP */
+#define STK_NULL_CHECK_START       0x3000
+#define STK_NULL_CHECK_END         0x5000  /* for recursive call */
+#define STK_MEM_END_MARK           0x8400
+#define STK_POS                    0x0500  /* used when POP-POS */
+#define STK_STOP_BT                0x0600  /* mark for "(?>...)" */
+#define STK_REPEAT                 0x0700
+#define STK_CALL_FRAME             0x0800
+#define STK_RETURN                 0x0900
+#define STK_VOID                   0x0a00  /* for fill a blank */
+
+/* stack type check mask */
+#define STK_MASK_POP_USED          0x00ff
+#define STK_MASK_TO_VOID_TARGET    0x10ff
+#define STK_MASK_MEM_END_OR_MARK   0x8000  /* MEM_END or MEM_END_MARK */
+
+#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+#define MATCH_ARG_INIT(msa, arg_option, arg_region, arg_start) do {\
+  (msa).stack_p  = (void* )0;\
+  (msa).options  = (arg_option);\
+  (msa).region   = (arg_region);\
+  (msa).start    = (arg_start);\
+  (msa).best_len = ONIG_MISMATCH;\
+} while(0)
+#else
+#define MATCH_ARG_INIT(msa, arg_option, arg_region, arg_start) do {\
+  (msa).stack_p  = (void* )0;\
+  (msa).options  = (arg_option);\
+  (msa).region   = (arg_region);\
+  (msa).start    = (arg_start);\
+} while(0)
+#endif
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+
+#define STATE_CHECK_BUFF_MALLOC_THRESHOLD_SIZE  16
+
+#define STATE_CHECK_BUFF_INIT(msa, str_len, offset, state_num) do {	\
+  if ((state_num) > 0 && str_len >= STATE_CHECK_STRING_THRESHOLD_LEN) {\
+    unsigned int size = (unsigned int )(((str_len) + 1) * (state_num) + 7) >> 3;\
+    offset = ((offset) * (state_num)) >> 3;\
+    if (size > 0 && offset < size && size < STATE_CHECK_BUFF_MAX_SIZE) {\
+      if (size >= STATE_CHECK_BUFF_MALLOC_THRESHOLD_SIZE) \
+        (msa).state_check_buff = (void* )xmalloc(size);\
+      else \
+        (msa).state_check_buff = (void* )xalloca(size);\
+      xmemset(((char* )((msa).state_check_buff)+(offset)), 0, \
+              (size_t )(size - (offset))); \
+      (msa).state_check_buff_size = size;\
+    }\
+    else {\
+      (msa).state_check_buff = (void* )0;\
+      (msa).state_check_buff_size = 0;\
+    }\
+  }\
+  else {\
+    (msa).state_check_buff = (void* )0;\
+    (msa).state_check_buff_size = 0;\
+  }\
+  } while(0)
+
+#define MATCH_ARG_FREE(msa) do {\
+  if ((msa).stack_p) xfree((msa).stack_p);\
+  if ((msa).state_check_buff_size >= STATE_CHECK_BUFF_MALLOC_THRESHOLD_SIZE) { \
+    if ((msa).state_check_buff) xfree((msa).state_check_buff);\
+  }\
+} while(0)
+#else
+#define STATE_CHECK_BUFF_INIT(msa, str_len, offset, state_num)
+#define MATCH_ARG_FREE(msa)  if ((msa).stack_p) xfree((msa).stack_p)
+#endif
+
+
+
+#define STACK_INIT(alloc_addr, ptr_num, stack_num)  do {\
+  if (msa->stack_p) {\
+    alloc_addr = (char* )xmalloc(sizeof(char*) * (ptr_num));\
+    stk_alloc  = (OnigStackType* )(msa->stack_p);\
+    stk_base   = stk_alloc;\
+    stk        = stk_base;\
+    stk_end    = stk_base + msa->stack_n;\
+  }\
+  else {\
+    alloc_addr = (char* )xmalloc(sizeof(char*) * (ptr_num)\
+		       + sizeof(OnigStackType) * (stack_num));\
+    stk_alloc  = (OnigStackType* )(alloc_addr + sizeof(char*) * (ptr_num));\
+    stk_base   = stk_alloc;\
+    stk        = stk_base;\
+    stk_end    = stk_base + (stack_num);\
+  }\
+} while(0)
+
+#define STACK_SAVE do{\
+  if (stk_base != stk_alloc) {\
+    msa->stack_p = stk_base;\
+    msa->stack_n = (int)(stk_end - stk_base);\
+  };\
+} while(0)
+
+static unsigned int MatchStackLimitSize = DEFAULT_MATCH_STACK_LIMIT_SIZE;
+
+extern unsigned int
+onig_get_match_stack_limit_size(void)
+{
+  return MatchStackLimitSize;
+}
+
+extern int
+onig_set_match_stack_limit_size(unsigned int size)
+{
+  MatchStackLimitSize = size;
+  return 0;
+}
+
+static int
+stack_double(OnigStackType** arg_stk_base, OnigStackType** arg_stk_end,
+	     OnigStackType** arg_stk, OnigStackType* stk_alloc, OnigMatchArg* msa)
+{
+  unsigned int n;
+  OnigStackType *x, *stk_base, *stk_end, *stk;
+
+  stk_base = *arg_stk_base;
+  stk_end  = *arg_stk_end;
+  stk      = *arg_stk;
+
+  n = (unsigned int)(stk_end - stk_base);
+  if (stk_base == stk_alloc && IS_NULL(msa->stack_p)) {
+    x = (OnigStackType* )xmalloc(sizeof(OnigStackType) * n * 2);
+    if (IS_NULL(x)) {
+      STACK_SAVE;
+      return ONIGERR_MEMORY;
+    }
+    xmemcpy(x, stk_base, n * sizeof(OnigStackType));
+    n *= 2;
+  }
+  else {
+    n *= 2;
+    if (MatchStackLimitSize != 0 && n > MatchStackLimitSize) {
+      if ((unsigned int )(stk_end - stk_base) == MatchStackLimitSize)
+        return ONIGERR_MATCH_STACK_LIMIT_OVER;
+      else
+        n = MatchStackLimitSize;
+    }
+    x = (OnigStackType* )xrealloc(stk_base, sizeof(OnigStackType) * n, sizeof(OnigStackType) * (stk_end - stk_base));
+    if (IS_NULL(x)) {
+      STACK_SAVE;
+      return ONIGERR_MEMORY;
+    }
+  }
+  *arg_stk      = x + (stk - stk_base);
+  *arg_stk_base = x;
+  *arg_stk_end  = x + n;
+  return 0;
+}
+
+#define STACK_ENSURE(n)	do {\
+  if (stk_end - stk < (n)) {\
+    int r = stack_double(&stk_base, &stk_end, &stk, stk_alloc, msa);\
+    if (r != 0) { STACK_SAVE; return r; } \
+  }\
+} while(0)
+
+#define STACK_AT(index)        (stk_base + (index))
+#define GET_STACK_INDEX(stk)   ((OnigStackIndex)((stk) - stk_base))
+
+#define STACK_PUSH_TYPE(stack_type) do {\
+  STACK_ENSURE(1);\
+  stk->type = (stack_type);\
+  STACK_INC;\
+} while(0)
+
+#define IS_TO_VOID_TARGET(stk) (((stk)->type & STK_MASK_TO_VOID_TARGET) != 0)
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+#define STATE_CHECK_POS(s,snum) \
+  (((s) - str) * num_comb_exp_check + ((snum) - 1))
+#define STATE_CHECK_VAL(v,snum) do {\
+  if (state_check_buff != NULL) {\
+    int x = STATE_CHECK_POS(s,snum);\
+    (v) = state_check_buff[x/8] & (1<<(x%8));\
+  }\
+  else (v) = 0;\
+} while(0)
+
+
+#define ELSE_IF_STATE_CHECK_MARK(stk) \
+  else if ((stk)->type == STK_STATE_CHECK_MARK) { \
+    int x = STATE_CHECK_POS(stk->u.state.pstr, stk->u.state.state_check);\
+    state_check_buff[x/8] |= (1<<(x%8));				\
+  }
+
+#define STACK_PUSH(stack_type,pat,s,sprev) do {\
+  STACK_ENSURE(1);\
+  stk->type = (stack_type);\
+  stk->u.state.pcode     = (pat);\
+  stk->u.state.pstr      = (s);\
+  stk->u.state.pstr_prev = (sprev);\
+  stk->u.state.state_check = 0;\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_ENSURED(stack_type,pat) do {\
+  stk->type = (stack_type);\
+  stk->u.state.pcode = (pat);\
+  stk->u.state.state_check = 0;\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_ALT_WITH_STATE_CHECK(pat,s,sprev,snum) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_ALT;\
+  stk->u.state.pcode     = (pat);\
+  stk->u.state.pstr      = (s);\
+  stk->u.state.pstr_prev = (sprev);\
+  stk->u.state.state_check = ((state_check_buff != NULL) ? (snum) : 0);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_STATE_CHECK(s,snum) do {\
+  if (state_check_buff != NULL) {\
+    STACK_ENSURE(1);\
+    stk->type = STK_STATE_CHECK_MARK;\
+    stk->u.state.pstr = (s);\
+    stk->u.state.state_check = (snum);\
+    STACK_INC;\
+  }\
+} while(0)
+
+#else /* USE_COMBINATION_EXPLOSION_CHECK */
+
+#define ELSE_IF_STATE_CHECK_MARK(stk)
+
+#define STACK_PUSH(stack_type,pat,s,sprev) do {\
+  STACK_ENSURE(1);\
+  stk->type = (stack_type);\
+  stk->u.state.pcode     = (pat);\
+  stk->u.state.pstr      = (s);\
+  stk->u.state.pstr_prev = (sprev);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_ENSURED(stack_type,pat) do {\
+  stk->type = (stack_type);\
+  stk->u.state.pcode = (pat);\
+  STACK_INC;\
+} while(0)
+#endif /* USE_COMBINATION_EXPLOSION_CHECK */
+
+#define STACK_PUSH_ALT(pat,s,sprev)     STACK_PUSH(STK_ALT,pat,s,sprev)
+#define STACK_PUSH_POS(s,sprev)         STACK_PUSH(STK_POS,NULL_UCHARP,s,sprev)
+#define STACK_PUSH_POS_NOT(pat,s,sprev) STACK_PUSH(STK_POS_NOT,pat,s,sprev)
+#define STACK_PUSH_STOP_BT              STACK_PUSH_TYPE(STK_STOP_BT)
+#define STACK_PUSH_LOOK_BEHIND_NOT(pat,s,sprev) \
+        STACK_PUSH(STK_LOOK_BEHIND_NOT,pat,s,sprev)
+
+#define STACK_PUSH_REPEAT(id, pat) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_REPEAT;\
+  stk->u.repeat.num    = (id);\
+  stk->u.repeat.pcode  = (pat);\
+  stk->u.repeat.count  = 0;\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_REPEAT_INC(sindex) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_REPEAT_INC;\
+  stk->u.repeat_inc.si  = (sindex);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_MEM_START(mnum, s) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_MEM_START;\
+  stk->u.mem.num      = (int)(mnum);\
+  stk->u.mem.pstr     = (s);\
+  stk->u.mem.start    = mem_start_stk[mnum];\
+  stk->u.mem.end      = mem_end_stk[mnum];\
+  mem_start_stk[mnum] = GET_STACK_INDEX(stk);\
+  mem_end_stk[mnum]   = INVALID_STACK_INDEX;\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_MEM_END(mnum, s) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_MEM_END;\
+  stk->u.mem.num    = (mnum);\
+  stk->u.mem.pstr   = (s);\
+  stk->u.mem.start  = mem_start_stk[mnum];\
+  stk->u.mem.end    = mem_end_stk[mnum];\
+  mem_end_stk[mnum] = GET_STACK_INDEX(stk);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_MEM_END_MARK(mnum) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_MEM_END_MARK;\
+  stk->u.mem.num = (mnum);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_GET_MEM_START(mnum, k) do {\
+  int level = 0;\
+  k = stk;\
+  while (k > stk_base) {\
+    k--;\
+    if ((k->type & STK_MASK_MEM_END_OR_MARK) != 0 \
+      && k->u.mem.num == (mnum)) {\
+      level++;\
+    }\
+    else if (k->type == STK_MEM_START && k->u.mem.num == (mnum)) {\
+      if (level == 0) break;\
+      level--;\
+    }\
+  }\
+} while(0)
+
+#define STACK_GET_MEM_RANGE(k, mnum, start, end) do {\
+  int level = 0;\
+  while (k < stk) {\
+    if (k->type == STK_MEM_START && k->u.mem.num == (mnum)) {\
+      if (level == 0) (start) = k->u.mem.pstr;\
+      level++;\
+    }\
+    else if (k->type == STK_MEM_END && k->u.mem.num == (mnum)) {\
+      level--;\
+      if (level == 0) {\
+        (end) = k->u.mem.pstr;\
+        break;\
+      }\
+    }\
+    k++;\
+  }\
+} while(0)
+
+#define STACK_PUSH_NULL_CHECK_START(cnum, s) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_NULL_CHECK_START;\
+  stk->u.null_check.num  = (cnum);\
+  stk->u.null_check.pstr = (s);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_NULL_CHECK_END(cnum) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_NULL_CHECK_END;\
+  stk->u.null_check.num  = (cnum);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_CALL_FRAME(pat) do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_CALL_FRAME;\
+  stk->u.call_frame.ret_addr = (pat);\
+  STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_RETURN do {\
+  STACK_ENSURE(1);\
+  stk->type = STK_RETURN;\
+  STACK_INC;\
+} while(0)
+
+
+#ifdef ONIG_DEBUG
+#define STACK_BASE_CHECK(p, at) \
+  if ((p) < stk_base) {\
+    fprintf(stderr, "at %s\n", at);\
+    goto stack_error;\
+  }
+#else
+#define STACK_BASE_CHECK(p, at)
+#endif
+
+#define STACK_POP_ONE do {\
+  stk--;\
+  STACK_BASE_CHECK(stk, "STACK_POP_ONE"); \
+} while(0)
+
+#define STACK_POP  do {\
+  switch (pop_level) {\
+  case STACK_POP_LEVEL_FREE:\
+    while (1) {\
+      stk--;\
+      STACK_BASE_CHECK(stk, "STACK_POP"); \
+      if ((stk->type & STK_MASK_POP_USED) != 0)  break;\
+      ELSE_IF_STATE_CHECK_MARK(stk);\
+    }\
+    break;\
+  case STACK_POP_LEVEL_MEM_START:\
+    while (1) {\
+      stk--;\
+      STACK_BASE_CHECK(stk, "STACK_POP 2"); \
+      if ((stk->type & STK_MASK_POP_USED) != 0)  break;\
+      else if (stk->type == STK_MEM_START) {\
+        mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
+        mem_end_stk[stk->u.mem.num]   = stk->u.mem.end;\
+      }\
+      ELSE_IF_STATE_CHECK_MARK(stk);\
+    }\
+    break;\
+  default:\
+    while (1) {\
+      stk--;\
+      STACK_BASE_CHECK(stk, "STACK_POP 3"); \
+      if ((stk->type & STK_MASK_POP_USED) != 0)  break;\
+      else if (stk->type == STK_MEM_START) {\
+        mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
+        mem_end_stk[stk->u.mem.num]   = stk->u.mem.end;\
+      }\
+      else if (stk->type == STK_REPEAT_INC) {\
+        STACK_AT(stk->u.repeat_inc.si)->u.repeat.count--;\
+      }\
+      else if (stk->type == STK_MEM_END) {\
+        mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
+        mem_end_stk[stk->u.mem.num]   = stk->u.mem.end;\
+      }\
+      ELSE_IF_STATE_CHECK_MARK(stk);\
+    }\
+    break;\
+  }\
+} while(0)
+
+#define STACK_POP_TIL_POS_NOT  do {\
+  while (1) {\
+    stk--;\
+    STACK_BASE_CHECK(stk, "STACK_POP_TIL_POS_NOT"); \
+    if (stk->type == STK_POS_NOT) break;\
+    else if (stk->type == STK_MEM_START) {\
+      mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
+      mem_end_stk[stk->u.mem.num]   = stk->u.mem.end;\
+    }\
+    else if (stk->type == STK_REPEAT_INC) {\
+      STACK_AT(stk->u.repeat_inc.si)->u.repeat.count--;\
+    }\
+    else if (stk->type == STK_MEM_END) {\
+      mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
+      mem_end_stk[stk->u.mem.num]   = stk->u.mem.end;\
+    }\
+    ELSE_IF_STATE_CHECK_MARK(stk);\
+  }\
+} while(0)
+
+#define STACK_POP_TIL_LOOK_BEHIND_NOT  do {\
+  while (1) {\
+    stk--;\
+    STACK_BASE_CHECK(stk, "STACK_POP_TIL_LOOK_BEHIND_NOT"); \
+    if (stk->type == STK_LOOK_BEHIND_NOT) break;\
+    else if (stk->type == STK_MEM_START) {\
+      mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
+      mem_end_stk[stk->u.mem.num]   = stk->u.mem.end;\
+    }\
+    else if (stk->type == STK_REPEAT_INC) {\
+      STACK_AT(stk->u.repeat_inc.si)->u.repeat.count--;\
+    }\
+    else if (stk->type == STK_MEM_END) {\
+      mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
+      mem_end_stk[stk->u.mem.num]   = stk->u.mem.end;\
+    }\
+    ELSE_IF_STATE_CHECK_MARK(stk);\
+  }\
+} while(0)
+
+#define STACK_POS_END(k) do {\
+  k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_POS_END"); \
+    if (IS_TO_VOID_TARGET(k)) {\
+      k->type = STK_VOID;\
+    }\
+    else if (k->type == STK_POS) {\
+      k->type = STK_VOID;\
+      break;\
+    }\
+  }\
+} while(0)
+
+#define STACK_STOP_BT_END do {\
+  OnigStackType *k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_STOP_BT_END"); \
+    if (IS_TO_VOID_TARGET(k)) {\
+      k->type = STK_VOID;\
+    }\
+    else if (k->type == STK_STOP_BT) {\
+      k->type = STK_VOID;\
+      break;\
+    }\
+  }\
+} while(0)
+
+#define STACK_NULL_CHECK(isnull,id,s) do {\
+  OnigStackType* k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_NULL_CHECK"); \
+    if (k->type == STK_NULL_CHECK_START) {\
+      if (k->u.null_check.num == (id)) {\
+        (isnull) = (k->u.null_check.pstr == (s));\
+        break;\
+      }\
+    }\
+  }\
+} while(0)
+
+#define STACK_NULL_CHECK_REC(isnull,id,s) do {\
+  int level = 0;\
+  OnigStackType* k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_NULL_CHECK_REC"); \
+    if (k->type == STK_NULL_CHECK_START) {\
+      if (k->u.null_check.num == (id)) {\
+        if (level == 0) {\
+          (isnull) = (k->u.null_check.pstr == (s));\
+          break;\
+        }\
+        else level--;\
+      }\
+    }\
+    else if (k->type == STK_NULL_CHECK_END) {\
+      level++;\
+    }\
+  }\
+} while(0)
+
+#define STACK_NULL_CHECK_MEMST(isnull,id,s,reg) do {\
+  OnigStackType* k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_NULL_CHECK_MEMST"); \
+    if (k->type == STK_NULL_CHECK_START) {\
+      if (k->u.null_check.num == (id)) {\
+        if (k->u.null_check.pstr != (s)) {\
+          (isnull) = 0;\
+          break;\
+        }\
+        else {\
+          UChar* endp;\
+          (isnull) = 1;\
+          while (k < stk) {\
+            if (k->type == STK_MEM_START) {\
+              if (k->u.mem.end == INVALID_STACK_INDEX) {\
+                (isnull) = 0; break;\
+              }\
+              if (BIT_STATUS_AT(reg->bt_mem_end, k->u.mem.num))\
+                endp = STACK_AT(k->u.mem.end)->u.mem.pstr;\
+              else\
+                endp = (UChar* )k->u.mem.end;\
+              if (STACK_AT(k->u.mem.start)->u.mem.pstr != endp) {\
+                (isnull) = 0; break;\
+              }\
+              else if (endp != s) {\
+                (isnull) = -1; /* empty, but position changed */ \
+              }\
+            }\
+            k++;\
+          }\
+  	  break;\
+        }\
+      }\
+    }\
+  }\
+} while(0)
+
+#define STACK_NULL_CHECK_MEMST_REC(isnull,id,s,reg) do {\
+  int level = 0;\
+  OnigStackType* k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_NULL_CHECK_MEMST_REC"); \
+    if (k->type == STK_NULL_CHECK_START) {\
+      if (k->u.null_check.num == (id)) {\
+        if (level == 0) {\
+          if (k->u.null_check.pstr != (s)) {\
+            (isnull) = 0;\
+            break;\
+          }\
+          else {\
+            UChar* endp;\
+            (isnull) = 1;\
+            while (k < stk) {\
+              if (k->type == STK_MEM_START) {\
+                if (k->u.mem.end == INVALID_STACK_INDEX) {\
+                  (isnull) = 0; break;\
+                }\
+                if (BIT_STATUS_AT(reg->bt_mem_end, k->u.mem.num))\
+                  endp = STACK_AT(k->u.mem.end)->u.mem.pstr;\
+                else\
+                  endp = (UChar* )k->u.mem.end;\
+                if (STACK_AT(k->u.mem.start)->u.mem.pstr != endp) {\
+                  (isnull) = 0; break;\
+                }\
+                else if (endp != s) {\
+                  (isnull) = -1; /* empty, but position changed */ \
+                }\
+              }\
+              k++;\
+            }\
+  	    break;\
+          }\
+        }\
+        else {\
+          level--;\
+        }\
+      }\
+    }\
+    else if (k->type == STK_NULL_CHECK_END) {\
+      if (k->u.null_check.num == (id)) level++;\
+    }\
+  }\
+} while(0)
+
+#define STACK_GET_REPEAT(id, k) do {\
+  int level = 0;\
+  k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_GET_REPEAT"); \
+    if (k->type == STK_REPEAT) {\
+      if (level == 0) {\
+        if (k->u.repeat.num == (id)) {\
+          break;\
+        }\
+      }\
+    }\
+    else if (k->type == STK_CALL_FRAME) level--;\
+    else if (k->type == STK_RETURN)     level++;\
+  }\
+} while(0)
+
+#define STACK_RETURN(addr)  do {\
+  int level = 0;\
+  OnigStackType* k = stk;\
+  while (1) {\
+    k--;\
+    STACK_BASE_CHECK(k, "STACK_RETURN"); \
+    if (k->type == STK_CALL_FRAME) {\
+      if (level == 0) {\
+        (addr) = k->u.call_frame.ret_addr;\
+        break;\
+      }\
+      else level--;\
+    }\
+    else if (k->type == STK_RETURN)\
+      level++;\
+  }\
+} while(0)
+
+
+#define STRING_CMP(s1,s2,len) do {\
+  while (len-- > 0) {\
+    if (*s1++ != *s2++) goto fail;\
+  }\
+} while(0)
+
+#define STRING_CMP_IC(case_fold_flag,s1,ps2,len) do {\
+  if (string_cmp_ic(encode, case_fold_flag, s1, ps2, len) == 0) \
+    goto fail; \
+} while(0)
+
+static int string_cmp_ic(OnigEncoding enc, int case_fold_flag,
+			 UChar* s1, UChar** ps2, int mblen)
+{
+  UChar buf1[ONIGENC_MBC_CASE_FOLD_MAXLEN];
+  UChar buf2[ONIGENC_MBC_CASE_FOLD_MAXLEN];
+  UChar *p1, *p2, *end1, *s2, *end2;
+  int len1, len2;
+
+  s2   = *ps2;
+  end1 = s1 + mblen;
+  end2 = s2 + mblen;
+  while (s1 < end1) {
+    len1 = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &s1, end1, buf1);
+    len2 = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &s2, end2, buf2);
+    if (len1 != len2) return 0;
+    p1 = buf1;
+    p2 = buf2;
+    while (len1-- > 0) {
+      if (*p1 != *p2) return 0;
+      p1++;
+      p2++;
+    }
+  }
+
+  *ps2 = s2;
+  return 1;
+}
+
+#define STRING_CMP_VALUE(s1,s2,len,is_fail) do {\
+  is_fail = 0;\
+  while (len-- > 0) {\
+    if (*s1++ != *s2++) {\
+      is_fail = 1; break;\
+    }\
+  }\
+} while(0)
+
+#define STRING_CMP_VALUE_IC(case_fold_flag,s1,ps2,len,is_fail) do {\
+  if (string_cmp_ic(encode, case_fold_flag, s1, ps2, len) == 0) \
+    is_fail = 1; \
+  else \
+    is_fail = 0; \
+} while(0)
+
+
+#define IS_EMPTY_STR           (str == end)
+#define ON_STR_BEGIN(s)       ((s) == str)
+#define ON_STR_END(s)         ((s) == end)
+#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+#define DATA_ENSURE_CHECK1     (s < right_range)
+#define DATA_ENSURE_CHECK(n)   (s + (n) <= right_range)
+#define DATA_ENSURE(n)         if (s + (n) > right_range) goto fail
+#else
+#define DATA_ENSURE_CHECK1     (s < end)
+#define DATA_ENSURE_CHECK(n)   (s + (n) <= end)
+#define DATA_ENSURE(n)         if (s + (n) > end) goto fail
+#endif /* USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE */
+
+
+#ifdef USE_CAPTURE_HISTORY
+static int
+make_capture_history_tree(OnigCaptureTreeNode* node, OnigStackType** kp,
+                          OnigStackType* stk_top, UChar* str, regex_t* reg)
+{
+  int n, r;
+  OnigCaptureTreeNode* child;
+  OnigStackType* k = *kp;
+
+  while (k < stk_top) {
+    if (k->type == STK_MEM_START) {
+      n = k->u.mem.num;
+      if (n <= ONIG_MAX_CAPTURE_HISTORY_GROUP &&
+          BIT_STATUS_AT(reg->capture_history, n) != 0) {
+        child = history_node_new();
+        CHECK_NULL_RETURN_MEMERR(child);
+        child->group = n;
+        child->beg = (int )(k->u.mem.pstr - str);
+        r = history_tree_add_child(node, child);
+        if (r != 0) return r;
+        *kp = (k + 1);
+        r = make_capture_history_tree(child, kp, stk_top, str, reg);
+        if (r != 0) return r;
+
+        k = *kp;
+        child->end = (int )(k->u.mem.pstr - str);
+      }
+    }
+    else if (k->type == STK_MEM_END) {
+      if (k->u.mem.num == node->group) {
+        node->end = (int )(k->u.mem.pstr - str);
+        *kp = k;
+        return 0;
+      }
+    }
+    k++;
+  }
+
+  return 1; /* 1: root node ending. */
+}
+#endif
+
+#ifdef USE_BACKREF_WITH_LEVEL
+static int mem_is_in_memp(int mem, int num, UChar* memp)
+{
+  int i;
+  MemNumType m;
+
+  for (i = 0; i < num; i++) {
+    GET_MEMNUM_INC(m, memp);
+    if (mem == (int )m) return 1;
+  }
+  return 0;
+}
+
+static int backref_match_at_nested_level(regex_t* reg
+	 , OnigStackType* top, OnigStackType* stk_base
+	 , int ignore_case, int case_fold_flag
+	 , int nest, int mem_num, UChar* memp, UChar** s, const UChar* send)
+{
+  UChar *ss, *p, *pstart, *pend = NULL_UCHARP;
+  int level;
+  OnigStackType* k;
+
+  level = 0;
+  k = top;
+  k--;
+  while (k >= stk_base) {
+    if (k->type == STK_CALL_FRAME) {
+      level--;
+    }
+    else if (k->type == STK_RETURN) {
+      level++;
+    }
+    else if (level == nest) {
+      if (k->type == STK_MEM_START) {
+	if (mem_is_in_memp(k->u.mem.num, mem_num, memp)) {
+	  pstart = k->u.mem.pstr;
+	  if (pend != NULL_UCHARP) {
+	    if (pend - pstart > send - *s) return 0; /* or goto next_mem; */
+	    p  = pstart;
+	    ss = *s;
+
+	    if (ignore_case != 0) {
+	      if (string_cmp_ic(reg->enc, case_fold_flag,
+				pstart, &ss, (int )(pend - pstart)) == 0)
+		return 0; /* or goto next_mem; */
+	    }
+	    else {
+	      while (p < pend) {
+		if (*p++ != *ss++) return 0; /* or goto next_mem; */
+	      }
+	    }
+
+	    *s = ss;
+	    return 1;
+	  }
+	}
+      }
+      else if (k->type == STK_MEM_END) {
+	if (mem_is_in_memp(k->u.mem.num, mem_num, memp)) {
+	  pend = k->u.mem.pstr;
+	}
+      }
+    }
+    k--;
+  }
+
+  return 0;
+}
+#endif /* USE_BACKREF_WITH_LEVEL */
+
+
+#ifdef ONIG_DEBUG_STATISTICS
+
+#define USE_TIMEOFDAY
+
+#ifdef USE_TIMEOFDAY
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+static struct timeval ts, te;
+#define GETTIME(t)        gettimeofday(&(t), (struct timezone* )0)
+#define TIMEDIFF(te,ts)   (((te).tv_usec - (ts).tv_usec) + \
+                           (((te).tv_sec - (ts).tv_sec)*1000000))
+#else
+#ifdef HAVE_SYS_TIMES_H
+#include <sys/times.h>
+#endif
+static struct tms ts, te;
+#define GETTIME(t)         times(&(t))
+#define TIMEDIFF(te,ts)   ((te).tms_utime - (ts).tms_utime)
+#endif
+
+static int OpCounter[256];
+static int OpPrevCounter[256];
+static unsigned long OpTime[256];
+static int OpCurr = OP_FINISH;
+static int OpPrevTarget = OP_FAIL;
+static int MaxStackDepth = 0;
+
+#define MOP_IN(opcode) do {\
+  if (opcode == OpPrevTarget) OpPrevCounter[OpCurr]++;\
+  OpCurr = opcode;\
+  OpCounter[opcode]++;\
+  GETTIME(ts);\
+} while(0)
+
+#define MOP_OUT do {\
+  GETTIME(te);\
+  OpTime[OpCurr] += TIMEDIFF(te, ts);\
+} while(0)
+
+extern void
+onig_statistics_init(void)
+{
+  int i;
+  for (i = 0; i < 256; i++) {
+    OpCounter[i] = OpPrevCounter[i] = 0; OpTime[i] = 0;
+  }
+  MaxStackDepth = 0;
+}
+
+extern void
+onig_print_statistics(FILE* f)
+{
+  int i;
+  fprintf(f, "   count      prev        time\n");
+  for (i = 0; OnigOpInfo[i].opcode >= 0; i++) {
+    fprintf(f, "%8d: %8d: %10ld: %s\n",
+	    OpCounter[i], OpPrevCounter[i], OpTime[i], OnigOpInfo[i].name);
+  }
+  fprintf(f, "\nmax stack depth: %d\n", MaxStackDepth);
+}
+
+#define STACK_INC do {\
+  stk++;\
+  if (stk - stk_base > MaxStackDepth) \
+    MaxStackDepth = stk - stk_base;\
+} while(0)
+
+#else
+#define STACK_INC     stk++
+
+#define MOP_IN(opcode)
+#define MOP_OUT
+#endif
+
+
+/* matching region of POSIX API */
+typedef int regoff_t;
+
+typedef struct {
+  regoff_t  rm_so;
+  regoff_t  rm_eo;
+} posix_regmatch_t;
+
+/* match data(str - end) from position (sstart). */
+/* if sstart == str then set sprev to NULL. */
+static int
+match_at(regex_t* reg, const UChar* str, const UChar* end,
+#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+	 const UChar* right_range,
+#endif
+	 const UChar* sstart, UChar* sprev, OnigMatchArg* msa)
+{
+  static UChar FinishCode[] = { OP_FINISH };
+
+  int i, n, num_mem, best_len, pop_level;
+  LengthType tlen, tlen2;
+  MemNumType mem;
+  RelAddrType addr;
+  OnigOptionType option = reg->options;
+  OnigEncoding encode = reg->enc;
+  OnigCaseFoldType case_fold_flag = reg->case_fold_flag;
+  UChar *s, *q, *sbegin;
+  UChar *p = reg->p;
+  char *alloca_base;
+  OnigStackType *stk_alloc, *stk_base, *stk, *stk_end;
+  OnigStackType *stkp; /* used as any purpose. */
+  OnigStackIndex si;
+  OnigStackIndex *repeat_stk;
+  OnigStackIndex *mem_start_stk, *mem_end_stk;
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  int scv;
+  unsigned char* state_check_buff = msa->state_check_buff;
+  int num_comb_exp_check = reg->num_comb_exp_check;
+#endif
+  n = reg->num_repeat + reg->num_mem * 2;
+
+  STACK_INIT(alloca_base, n, INIT_MATCH_STACK_SIZE);
+  pop_level = reg->stack_pop_level;
+  num_mem = reg->num_mem;
+  repeat_stk = (OnigStackIndex* )alloca_base;
+
+  mem_start_stk = (OnigStackIndex* )(repeat_stk + reg->num_repeat);
+  mem_end_stk   = mem_start_stk + num_mem;
+  mem_start_stk--; /* for index start from 1,
+		      mem_start_stk[1]..mem_start_stk[num_mem] */
+  mem_end_stk--;   /* for index start from 1,
+		      mem_end_stk[1]..mem_end_stk[num_mem] */
+  for (i = 1; i <= num_mem; i++) {
+    mem_start_stk[i] = mem_end_stk[i] = INVALID_STACK_INDEX;
+  }
+
+#ifdef ONIG_DEBUG_MATCH
+  fprintf(stderr, "match_at: str: %d, end: %d, start: %d, sprev: %d\n",
+	  (int )str, (int )end, (int )sstart, (int )sprev);
+  fprintf(stderr, "size: %d, start offset: %d\n",
+	  (int )(end - str), (int )(sstart - str));
+#endif
+
+  STACK_PUSH_ENSURED(STK_ALT, FinishCode);  /* bottom stack */
+  best_len = ONIG_MISMATCH;
+  s = (UChar* )sstart;
+  while (1) {
+#ifdef ONIG_DEBUG_MATCH
+    {
+      UChar *q, *bp, buf[50];
+      int len;
+      fprintf(stderr, "%4d> \"", (int )(s - str));
+      bp = buf;
+      for (i = 0, q = s; i < 7 && q < end; i++) {
+	len = enclen(encode, q);
+	while (len-- > 0) *bp++ = *q++;
+      }
+      if (q < end) { xmemcpy(bp, "...\"", 4); bp += 4; }
+      else         { xmemcpy(bp, "\"",    1); bp += 1; }
+      *bp = 0;
+      fputs((char* )buf, stderr);
+      for (i = 0; i < 20 - (bp - buf); i++) fputc(' ', stderr);
+      onig_print_compiled_byte_code(stderr, p, NULL, encode);
+      fprintf(stderr, "\n");
+    }
+#endif
+
+    sbegin = s;
+    switch (*p++) {
+    case OP_END:  MOP_IN(OP_END);
+      n = (int)(s - sstart);
+      if (n > best_len) {
+	OnigRegion* region;
+#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+	if (IS_FIND_LONGEST(option)) {
+	  if (n > msa->best_len) {
+	    msa->best_len = n;
+	    msa->best_s   = (UChar* )sstart;
+	  }
+	  else
+	    goto end_best_len;
+        }
+#endif
+	best_len = n;
+	region = msa->region;
+	if (region) {
+#ifdef USE_POSIX_API_REGION_OPTION
+	  if (IS_POSIX_REGION(msa->options)) {
+	    posix_regmatch_t* rmt = (posix_regmatch_t* )region;
+
+	    rmt[0].rm_so = (regoff_t)(sstart - str);
+	    rmt[0].rm_eo = (regoff_t)(s      - str);
+	    for (i = 1; i <= num_mem; i++) {
+	      if (mem_end_stk[i] != INVALID_STACK_INDEX) {
+		if (BIT_STATUS_AT(reg->bt_mem_start, i))
+		  rmt[i].rm_so = (regoff_t)(STACK_AT(mem_start_stk[i])->u.mem.pstr - str);
+		else
+		  rmt[i].rm_so = (regoff_t)((UChar* )((void* )(mem_start_stk[i])) - str);
+
+		rmt[i].rm_eo = (regoff_t)((BIT_STATUS_AT(reg->bt_mem_end, i)
+				? STACK_AT(mem_end_stk[i])->u.mem.pstr
+				: (UChar* )((void* )mem_end_stk[i])) - str);
+	      }
+	      else {
+		rmt[i].rm_so = rmt[i].rm_eo = ONIG_REGION_NOTPOS;
+	      }
+	    }
+	  }
+	  else {
+#endif /* USE_POSIX_API_REGION_OPTION */
+	    region->beg[0] = (int)(sstart - str);
+	    region->end[0] = (int)(s      - str);
+	    for (i = 1; i <= num_mem; i++) {
+	      if (mem_end_stk[i] != INVALID_STACK_INDEX) {
+		if (BIT_STATUS_AT(reg->bt_mem_start, i))
+		  region->beg[i] = (int)(STACK_AT(mem_start_stk[i])->u.mem.pstr - str);
+		else
+		  region->beg[i] = (int)((UChar* )((void* )mem_start_stk[i]) - str);
+
+		region->end[i] = (int)((BIT_STATUS_AT(reg->bt_mem_end, i)
+				  ? STACK_AT(mem_end_stk[i])->u.mem.pstr
+				  : (UChar* )((void* )mem_end_stk[i])) - str);
+	      }
+	      else {
+		region->beg[i] = region->end[i] = ONIG_REGION_NOTPOS;
+	      }
+	    }
+
+#ifdef USE_CAPTURE_HISTORY
+	    if (reg->capture_history != 0) {
+              int r;
+              OnigCaptureTreeNode* node;
+
+              if (IS_NULL(region->history_root)) {
+                region->history_root = node = history_node_new();
+                CHECK_NULL_RETURN_MEMERR(node);
+              }
+              else {
+                node = region->history_root;
+                history_tree_clear(node);
+              }
+
+              node->group = 0;
+              node->beg   = (int)(sstart - str);
+              node->end   = (int)(s      - str);
+
+              stkp = stk_base;
+              r = make_capture_history_tree(region->history_root, &stkp,
+                                            stk, (UChar* )str, reg);
+              if (r < 0) {
+                best_len = r; /* error code */
+                goto finish;
+              }
+	    }
+#endif /* USE_CAPTURE_HISTORY */
+#ifdef USE_POSIX_API_REGION_OPTION
+	  } /* else IS_POSIX_REGION() */
+#endif
+	} /* if (region) */
+      } /* n > best_len */
+
+#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+    end_best_len:
+#endif
+      MOP_OUT;
+
+      if (IS_FIND_CONDITION(option)) {
+	if (IS_FIND_NOT_EMPTY(option) && s == sstart) {
+	  best_len = ONIG_MISMATCH;
+	  goto fail; /* for retry */
+	}
+	if (IS_FIND_LONGEST(option) && DATA_ENSURE_CHECK1) {
+	  goto fail; /* for retry */
+	}
+      }
+
+      /* default behavior: return first-matching result. */
+      goto finish;
+      break;
+
+    case OP_EXACT1:  MOP_IN(OP_EXACT1);
+#if 0
+      DATA_ENSURE(1);
+      if (*p != *s) goto fail;
+      p++; s++;
+#endif
+      if (*p != *s++) goto fail;
+      DATA_ENSURE(0);
+      p++;
+      MOP_OUT;
+      break;
+
+    case OP_EXACT1_IC:  MOP_IN(OP_EXACT1_IC);
+      {
+	int len;
+	UChar *q, lowbuf[ONIGENC_MBC_CASE_FOLD_MAXLEN];
+
+	DATA_ENSURE(1);
+	len = ONIGENC_MBC_CASE_FOLD(encode,
+		    /* DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag), */
+		    case_fold_flag,
+		    &s, end, lowbuf);
+	DATA_ENSURE(0);
+	q = lowbuf;
+	while (len-- > 0) {
+	  if (*p != *q) {
+            goto fail;
+          }
+	  p++; q++;
+	}
+      }
+      MOP_OUT;
+      break;
+
+    case OP_EXACT2:  MOP_IN(OP_EXACT2);
+      DATA_ENSURE(2);
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      sprev = s;
+      p++; s++;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACT3:  MOP_IN(OP_EXACT3);
+      DATA_ENSURE(3);
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      sprev = s;
+      p++; s++;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACT4:  MOP_IN(OP_EXACT4);
+      DATA_ENSURE(4);
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      sprev = s;
+      p++; s++;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACT5:  MOP_IN(OP_EXACT5);
+      DATA_ENSURE(5);
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      sprev = s;
+      p++; s++;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACTN:  MOP_IN(OP_EXACTN);
+      GET_LENGTH_INC(tlen, p);
+      DATA_ENSURE(tlen);
+      while (tlen-- > 0) {
+	if (*p++ != *s++) goto fail;
+      }
+      sprev = s - 1;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACTN_IC:  MOP_IN(OP_EXACTN_IC);
+      {
+	int len;
+	UChar *q, *endp, lowbuf[ONIGENC_MBC_CASE_FOLD_MAXLEN];
+
+	GET_LENGTH_INC(tlen, p);
+	endp = p + tlen;
+
+	while (p < endp) {
+	  sprev = s;
+	  DATA_ENSURE(1);
+	  len = ONIGENC_MBC_CASE_FOLD(encode,
+		      /* DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag), */
+		      case_fold_flag,
+		      &s, end, lowbuf);
+	  DATA_ENSURE(0);
+	  q = lowbuf;
+	  while (len-- > 0) {
+	    if (*p != *q) goto fail;
+	    p++; q++;
+	  }
+	}
+      }
+
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACTMB2N1:  MOP_IN(OP_EXACTMB2N1);
+      DATA_ENSURE(2);
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      MOP_OUT;
+      break;
+
+    case OP_EXACTMB2N2:  MOP_IN(OP_EXACTMB2N2);
+      DATA_ENSURE(4);
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      sprev = s;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACTMB2N3:  MOP_IN(OP_EXACTMB2N3);
+      DATA_ENSURE(6);
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      sprev = s;
+      if (*p != *s) goto fail;
+      p++; s++;
+      if (*p != *s) goto fail;
+      p++; s++;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACTMB2N:  MOP_IN(OP_EXACTMB2N);
+      GET_LENGTH_INC(tlen, p);
+      DATA_ENSURE(tlen * 2);
+      while (tlen-- > 0) {
+	if (*p != *s) goto fail;
+	p++; s++;
+	if (*p != *s) goto fail;
+	p++; s++;
+      }
+      sprev = s - 2;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACTMB3N:  MOP_IN(OP_EXACTMB3N);
+      GET_LENGTH_INC(tlen, p);
+      DATA_ENSURE(tlen * 3);
+      while (tlen-- > 0) {
+	if (*p != *s) goto fail;
+	p++; s++;
+	if (*p != *s) goto fail;
+	p++; s++;
+	if (*p != *s) goto fail;
+	p++; s++;
+      }
+      sprev = s - 3;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_EXACTMBN:  MOP_IN(OP_EXACTMBN);
+      GET_LENGTH_INC(tlen,  p);  /* mb-len */
+      GET_LENGTH_INC(tlen2, p);  /* string len */
+      tlen2 *= tlen;
+      DATA_ENSURE(tlen2);
+      while (tlen2-- > 0) {
+	if (*p != *s) goto fail;
+	p++; s++;
+      }
+      sprev = s - tlen;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_CCLASS:  MOP_IN(OP_CCLASS);
+      DATA_ENSURE(1);
+      if (BITSET_AT(((BitSetRef )p), *s) == 0) goto fail;
+      p += SIZE_BITSET;
+      s += enclen(encode, s);   /* OP_CCLASS can match mb-code. \D, \S */
+      MOP_OUT;
+      break;
+
+    case OP_CCLASS_MB:  MOP_IN(OP_CCLASS_MB);
+      if (! ONIGENC_IS_MBC_HEAD(encode, s)) goto fail;
+
+    cclass_mb:
+      GET_LENGTH_INC(tlen, p);
+      {
+	OnigCodePoint code;
+	UChar *ss;
+	int mb_len;
+
+	DATA_ENSURE(1);
+	mb_len = enclen(encode, s);
+	DATA_ENSURE(mb_len);
+	ss = s;
+	s += mb_len;
+	code = ONIGENC_MBC_TO_CODE(encode, ss, s);
+
+#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
+	if (! onig_is_in_code_range(p, code)) goto fail;
+#else
+	q = p;
+	ALIGNMENT_RIGHT(q);
+	if (! onig_is_in_code_range(q, code)) goto fail;
+#endif
+      }
+      p += tlen;
+      MOP_OUT;
+      break;
+
+    case OP_CCLASS_MIX:  MOP_IN(OP_CCLASS_MIX);
+      DATA_ENSURE(1);
+      if (ONIGENC_IS_MBC_HEAD(encode, s)) {
+	p += SIZE_BITSET;
+	goto cclass_mb;
+      }
+      else {
+	if (BITSET_AT(((BitSetRef )p), *s) == 0)
+	  goto fail;
+
+	p += SIZE_BITSET;
+	GET_LENGTH_INC(tlen, p);
+	p += tlen;
+	s++;
+      }
+      MOP_OUT;
+      break;
+
+    case OP_CCLASS_NOT:  MOP_IN(OP_CCLASS_NOT);
+      DATA_ENSURE(1);
+      if (BITSET_AT(((BitSetRef )p), *s) != 0) goto fail;
+      p += SIZE_BITSET;
+      s += enclen(encode, s);
+      MOP_OUT;
+      break;
+
+    case OP_CCLASS_MB_NOT:  MOP_IN(OP_CCLASS_MB_NOT);
+      DATA_ENSURE(1);
+      if (! ONIGENC_IS_MBC_HEAD(encode, s)) {
+	s++;
+	GET_LENGTH_INC(tlen, p);
+	p += tlen;
+	goto cc_mb_not_success;
+      }
+
+    cclass_mb_not:
+      GET_LENGTH_INC(tlen, p);
+      {
+	OnigCodePoint code;
+	UChar *ss;
+	int mb_len = enclen(encode, s);
+
+	if (! DATA_ENSURE_CHECK(mb_len)) {
+          DATA_ENSURE(1);
+	  s = (UChar* )end;
+	  p += tlen;
+	  goto cc_mb_not_success;
+	}
+
+	ss = s;
+	s += mb_len;
+	code = ONIGENC_MBC_TO_CODE(encode, ss, s);
+
+#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
+	if (onig_is_in_code_range(p, code)) goto fail;
+#else
+	q = p;
+	ALIGNMENT_RIGHT(q);
+	if (onig_is_in_code_range(q, code)) goto fail;
+#endif
+      }
+      p += tlen;
+
+    cc_mb_not_success:
+      MOP_OUT;
+      break;
+
+    case OP_CCLASS_MIX_NOT:  MOP_IN(OP_CCLASS_MIX_NOT);
+      DATA_ENSURE(1);
+      if (ONIGENC_IS_MBC_HEAD(encode, s)) {
+	p += SIZE_BITSET;
+	goto cclass_mb_not;
+      }
+      else {
+	if (BITSET_AT(((BitSetRef )p), *s) != 0)
+	  goto fail;
+
+	p += SIZE_BITSET;
+	GET_LENGTH_INC(tlen, p);
+	p += tlen;
+	s++;
+      }
+      MOP_OUT;
+      break;
+
+    case OP_CCLASS_NODE:  MOP_IN(OP_CCLASS_NODE);
+      {
+	OnigCodePoint code;
+        void *node;
+        int mb_len;
+        UChar *ss;
+
+        DATA_ENSURE(1);
+        GET_POINTER_INC(node, p);
+	mb_len = enclen(encode, s);
+	ss = s;
+	s += mb_len;
+	DATA_ENSURE(0);
+	code = ONIGENC_MBC_TO_CODE(encode, ss, s);
+	if (onig_is_code_in_cc_len(mb_len, code, node) == 0) goto fail;
+      }
+      MOP_OUT;
+      break;
+
+    case OP_ANYCHAR:  MOP_IN(OP_ANYCHAR);
+      DATA_ENSURE(1);
+      n = enclen(encode, s);
+      DATA_ENSURE(n);
+      if (ONIGENC_IS_MBC_NEWLINE(encode, s, end)) goto fail;
+      s += n;
+      MOP_OUT;
+      break;
+
+    case OP_ANYCHAR_ML:  MOP_IN(OP_ANYCHAR_ML);
+      DATA_ENSURE(1);
+      n = enclen(encode, s);
+      DATA_ENSURE(n);
+      s += n;
+      MOP_OUT;
+      break;
+
+    case OP_ANYCHAR_STAR:  MOP_IN(OP_ANYCHAR_STAR);
+      while (DATA_ENSURE_CHECK1) {
+	STACK_PUSH_ALT(p, s, sprev);
+	n = enclen(encode, s);
+        DATA_ENSURE(n);
+        if (ONIGENC_IS_MBC_NEWLINE(encode, s, end))  goto fail;
+        sprev = s;
+        s += n;
+      }
+      MOP_OUT;
+      break;
+
+    case OP_ANYCHAR_ML_STAR:  MOP_IN(OP_ANYCHAR_ML_STAR);
+      while (DATA_ENSURE_CHECK1) {
+	STACK_PUSH_ALT(p, s, sprev);
+	n = enclen(encode, s);
+	if (n > 1) {
+	  DATA_ENSURE(n);
+	  sprev = s;
+	  s += n;
+	}
+	else {
+	  sprev = s;
+	  s++;
+	}
+      }
+      MOP_OUT;
+      break;
+
+    case OP_ANYCHAR_STAR_PEEK_NEXT:  MOP_IN(OP_ANYCHAR_STAR_PEEK_NEXT);
+      while (DATA_ENSURE_CHECK1) {
+	if (*p == *s) {
+	  STACK_PUSH_ALT(p + 1, s, sprev);
+	}
+	n = enclen(encode, s);
+        DATA_ENSURE(n);
+        if (ONIGENC_IS_MBC_NEWLINE(encode, s, end))  goto fail;
+        sprev = s;
+        s += n;
+      }
+      p++;
+      MOP_OUT;
+      break;
+
+    case OP_ANYCHAR_ML_STAR_PEEK_NEXT:MOP_IN(OP_ANYCHAR_ML_STAR_PEEK_NEXT);
+      while (DATA_ENSURE_CHECK1) {
+	if (*p == *s) {
+	  STACK_PUSH_ALT(p + 1, s, sprev);
+	}
+	n = enclen(encode, s);
+	if (n > 1) {
+	  DATA_ENSURE(n);
+	  sprev = s;
+	  s += n;
+	}
+	else {
+	  sprev = s;
+	  s++;
+	}
+      }
+      p++;
+      MOP_OUT;
+      break;
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+    case OP_STATE_CHECK_ANYCHAR_STAR:  MOP_IN(OP_STATE_CHECK_ANYCHAR_STAR);
+      GET_STATE_CHECK_NUM_INC(mem, p);
+      while (DATA_ENSURE_CHECK1) {
+	STATE_CHECK_VAL(scv, mem);
+	if (scv) goto fail;
+
+	STACK_PUSH_ALT_WITH_STATE_CHECK(p, s, sprev, mem);
+	n = enclen(encode, s);
+        DATA_ENSURE(n);
+        if (ONIGENC_IS_MBC_NEWLINE(encode, s, end))  goto fail;
+        sprev = s;
+        s += n;
+      }
+      MOP_OUT;
+      break;
+
+    case OP_STATE_CHECK_ANYCHAR_ML_STAR:
+      MOP_IN(OP_STATE_CHECK_ANYCHAR_ML_STAR);
+
+      GET_STATE_CHECK_NUM_INC(mem, p);
+      while (DATA_ENSURE_CHECK1) {
+	STATE_CHECK_VAL(scv, mem);
+	if (scv) goto fail;
+
+	STACK_PUSH_ALT_WITH_STATE_CHECK(p, s, sprev, mem);
+	n = enclen(encode, s);
+	if (n > 1) {
+	  DATA_ENSURE(n);
+	  sprev = s;
+	  s += n;
+	}
+	else {
+	  sprev = s;
+	  s++;
+	}
+      }
+      MOP_OUT;
+      break;
+#endif /* USE_COMBINATION_EXPLOSION_CHECK */
+
+    case OP_WORD:  MOP_IN(OP_WORD);
+      DATA_ENSURE(1);
+      if (! ONIGENC_IS_MBC_WORD(encode, s, end))
+	goto fail;
+
+      s += enclen(encode, s);
+      MOP_OUT;
+      break;
+
+    case OP_NOT_WORD:  MOP_IN(OP_NOT_WORD);
+      DATA_ENSURE(1);
+      if (ONIGENC_IS_MBC_WORD(encode, s, end))
+	goto fail;
+
+      s += enclen(encode, s);
+      MOP_OUT;
+      break;
+
+    case OP_WORD_BOUND:  MOP_IN(OP_WORD_BOUND);
+      if (ON_STR_BEGIN(s)) {
+	DATA_ENSURE(1);
+	if (! ONIGENC_IS_MBC_WORD(encode, s, end))
+	  goto fail;
+      }
+      else if (ON_STR_END(s)) {
+	if (! ONIGENC_IS_MBC_WORD(encode, sprev, end))
+	  goto fail;
+      }
+      else {
+	if (ONIGENC_IS_MBC_WORD(encode, s, end)
+	    == ONIGENC_IS_MBC_WORD(encode, sprev, end))
+	  goto fail;
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_NOT_WORD_BOUND:  MOP_IN(OP_NOT_WORD_BOUND);
+      if (ON_STR_BEGIN(s)) {
+	if (DATA_ENSURE_CHECK1 && ONIGENC_IS_MBC_WORD(encode, s, end))
+	  goto fail;
+      }
+      else if (ON_STR_END(s)) {
+	if (ONIGENC_IS_MBC_WORD(encode, sprev, end))
+	  goto fail;
+      }
+      else {
+	if (ONIGENC_IS_MBC_WORD(encode, s, end)
+	    != ONIGENC_IS_MBC_WORD(encode, sprev, end))
+	  goto fail;
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+#ifdef USE_WORD_BEGIN_END
+    case OP_WORD_BEGIN:  MOP_IN(OP_WORD_BEGIN);
+      if (DATA_ENSURE_CHECK1 && ONIGENC_IS_MBC_WORD(encode, s, end)) {
+	if (ON_STR_BEGIN(s) || !ONIGENC_IS_MBC_WORD(encode, sprev, end)) {
+	  MOP_OUT;
+	  continue;
+	}
+      }
+      goto fail;
+      break;
+
+    case OP_WORD_END:  MOP_IN(OP_WORD_END);
+      if (!ON_STR_BEGIN(s) && ONIGENC_IS_MBC_WORD(encode, sprev, end)) {
+	if (ON_STR_END(s) || !ONIGENC_IS_MBC_WORD(encode, s, end)) {
+	  MOP_OUT;
+	  continue;
+	}
+      }
+      goto fail;
+      break;
+#endif
+
+    case OP_BEGIN_BUF:  MOP_IN(OP_BEGIN_BUF);
+      if (! ON_STR_BEGIN(s)) goto fail;
+
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_END_BUF:  MOP_IN(OP_END_BUF);
+      if (! ON_STR_END(s)) goto fail;
+
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_BEGIN_LINE:  MOP_IN(OP_BEGIN_LINE);
+      if (ON_STR_BEGIN(s)) {
+	if (IS_NOTBOL(msa->options)) goto fail;
+	MOP_OUT;
+	continue;
+      }
+      else if (ONIGENC_IS_MBC_NEWLINE(encode, sprev, end) && !ON_STR_END(s)) {
+	MOP_OUT;
+	continue;
+      }
+      goto fail;
+      break;
+
+    case OP_END_LINE:  MOP_IN(OP_END_LINE);
+      if (ON_STR_END(s)) {
+#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
+	if (IS_EMPTY_STR || !ONIGENC_IS_MBC_NEWLINE(encode, sprev, end)) {
+#endif
+	  if (IS_NOTEOL(msa->options)) goto fail;
+	  MOP_OUT;
+	  continue;
+#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
+	}
+#endif
+      }
+      else if (ONIGENC_IS_MBC_NEWLINE(encode, s, end)) {
+	MOP_OUT;
+	continue;
+      }
+#ifdef USE_CRNL_AS_LINE_TERMINATOR
+      else if (ONIGENC_IS_MBC_CRNL(encode, s, end)) {
+	MOP_OUT;
+	continue;
+      }
+#endif
+      goto fail;
+      break;
+
+    case OP_SEMI_END_BUF:  MOP_IN(OP_SEMI_END_BUF);
+      if (ON_STR_END(s)) {
+#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
+	if (IS_EMPTY_STR || !ONIGENC_IS_MBC_NEWLINE(encode, sprev, end)) {
+#endif
+	  if (IS_NOTEOL(msa->options)) goto fail;
+	  MOP_OUT;
+	  continue;
+#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
+	}
+#endif
+      }
+      else if (ONIGENC_IS_MBC_NEWLINE(encode, s, end) &&
+	       ON_STR_END(s + enclen(encode, s))) {
+	MOP_OUT;
+	continue;
+      }
+#ifdef USE_CRNL_AS_LINE_TERMINATOR
+      else if (ONIGENC_IS_MBC_CRNL(encode, s, end)) {
+        UChar* ss = s + enclen(encode, s);
+	ss += enclen(encode, ss);
+        if (ON_STR_END(ss)) {
+          MOP_OUT;
+          continue;
+        }
+      }
+#endif
+      goto fail;
+      break;
+
+    case OP_BEGIN_POSITION:  MOP_IN(OP_BEGIN_POSITION);
+      if (s != msa->start)
+	goto fail;
+
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_MEMORY_START_PUSH:  MOP_IN(OP_MEMORY_START_PUSH);
+      GET_MEMNUM_INC(mem, p);
+      STACK_PUSH_MEM_START(mem, s);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_MEMORY_START:  MOP_IN(OP_MEMORY_START);
+      GET_MEMNUM_INC(mem, p);
+      mem_start_stk[mem] = (OnigStackIndex )((void* )s);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_MEMORY_END_PUSH:  MOP_IN(OP_MEMORY_END_PUSH);
+      GET_MEMNUM_INC(mem, p);
+      STACK_PUSH_MEM_END(mem, s);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_MEMORY_END:  MOP_IN(OP_MEMORY_END);
+      GET_MEMNUM_INC(mem, p);
+      mem_end_stk[mem] = (OnigStackIndex )((void* )s);
+      MOP_OUT;
+      continue;
+      break;
+
+#ifdef USE_SUBEXP_CALL
+    case OP_MEMORY_END_PUSH_REC:  MOP_IN(OP_MEMORY_END_PUSH_REC);
+      GET_MEMNUM_INC(mem, p);
+      STACK_GET_MEM_START(mem, stkp); /* should be before push mem-end. */
+      STACK_PUSH_MEM_END(mem, s);
+      mem_start_stk[mem] = GET_STACK_INDEX(stkp);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_MEMORY_END_REC:  MOP_IN(OP_MEMORY_END_REC);
+      GET_MEMNUM_INC(mem, p);
+      mem_end_stk[mem] = (OnigStackIndex )((void* )s);
+      STACK_GET_MEM_START(mem, stkp);
+
+      if (BIT_STATUS_AT(reg->bt_mem_start, mem))
+	mem_start_stk[mem] = GET_STACK_INDEX(stkp);
+      else
+	mem_start_stk[mem] = (OnigStackIndex )((void* )stkp->u.mem.pstr);
+
+      STACK_PUSH_MEM_END_MARK(mem);
+      MOP_OUT;
+      continue;
+      break;
+#endif
+
+    case OP_BACKREF1:  MOP_IN(OP_BACKREF1);
+      mem = 1;
+      goto backref;
+      break;
+
+    case OP_BACKREF2:  MOP_IN(OP_BACKREF2);
+      mem = 2;
+      goto backref;
+      break;
+
+    case OP_BACKREFN:  MOP_IN(OP_BACKREFN);
+      GET_MEMNUM_INC(mem, p);
+    backref:
+      {
+	int len;
+	UChar *pstart, *pend;
+
+	/* if you want to remove following line, 
+	   you should check in parse and compile time. */
+	if (mem > num_mem) goto fail;
+	if (mem_end_stk[mem]   == INVALID_STACK_INDEX) goto fail;
+	if (mem_start_stk[mem] == INVALID_STACK_INDEX) goto fail;
+
+	if (BIT_STATUS_AT(reg->bt_mem_start, mem))
+	  pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
+	else
+	  pstart = (UChar* )((void* )mem_start_stk[mem]);
+
+	pend = (BIT_STATUS_AT(reg->bt_mem_end, mem)
+		? STACK_AT(mem_end_stk[mem])->u.mem.pstr
+		: (UChar* )((void* )mem_end_stk[mem]));
+	n = (int)(pend - pstart);
+	DATA_ENSURE(n);
+	sprev = s;
+	STRING_CMP(pstart, s, n);
+	while (sprev + (len = enclen(encode, sprev)) < s)
+	  sprev += len;
+
+	MOP_OUT;
+	continue;
+      }
+      break;
+
+    case OP_BACKREFN_IC:  MOP_IN(OP_BACKREFN_IC);
+      GET_MEMNUM_INC(mem, p);
+      {
+	int len;
+	UChar *pstart, *pend;
+
+	/* if you want to remove following line, 
+	   you should check in parse and compile time. */
+	if (mem > num_mem) goto fail;
+	if (mem_end_stk[mem]   == INVALID_STACK_INDEX) goto fail;
+	if (mem_start_stk[mem] == INVALID_STACK_INDEX) goto fail;
+
+	if (BIT_STATUS_AT(reg->bt_mem_start, mem))
+	  pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
+	else
+	  pstart = (UChar* )((void* )mem_start_stk[mem]);
+
+	pend = (BIT_STATUS_AT(reg->bt_mem_end, mem)
+		? STACK_AT(mem_end_stk[mem])->u.mem.pstr
+		: (UChar* )((void* )mem_end_stk[mem]));
+	n = (int)(pend - pstart);
+	DATA_ENSURE(n);
+	sprev = s;
+	STRING_CMP_IC(case_fold_flag, pstart, &s, n);
+	while (sprev + (len = enclen(encode, sprev)) < s)
+	  sprev += len;
+
+	MOP_OUT;
+	continue;
+      }
+      break;
+
+    case OP_BACKREF_MULTI:  MOP_IN(OP_BACKREF_MULTI);
+      {
+	int len, is_fail;
+	UChar *pstart, *pend, *swork;
+
+	GET_LENGTH_INC(tlen, p);
+	for (i = 0; i < tlen; i++) {
+	  GET_MEMNUM_INC(mem, p);
+
+	  if (mem_end_stk[mem]   == INVALID_STACK_INDEX) continue;
+	  if (mem_start_stk[mem] == INVALID_STACK_INDEX) continue;
+
+	  if (BIT_STATUS_AT(reg->bt_mem_start, mem))
+	    pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
+	  else
+	    pstart = (UChar* )((void* )mem_start_stk[mem]);
+
+	  pend = (BIT_STATUS_AT(reg->bt_mem_end, mem)
+		  ? STACK_AT(mem_end_stk[mem])->u.mem.pstr
+		  : (UChar* )((void* )mem_end_stk[mem]));
+	  n = (int)(pend - pstart);
+	  DATA_ENSURE(n);
+	  sprev = s;
+	  swork = s;
+	  STRING_CMP_VALUE(pstart, swork, n, is_fail);
+	  if (is_fail) continue;
+	  s = swork;
+	  while (sprev + (len = enclen(encode, sprev)) < s)
+	    sprev += len;
+
+	  p += (SIZE_MEMNUM * (tlen - i - 1));
+	  break; /* success */
+	}
+	if (i == tlen) goto fail;
+	MOP_OUT;
+	continue;
+      }
+      break;
+
+    case OP_BACKREF_MULTI_IC:  MOP_IN(OP_BACKREF_MULTI_IC);
+      {
+	int len, is_fail;
+	UChar *pstart, *pend, *swork;
+
+	GET_LENGTH_INC(tlen, p);
+	for (i = 0; i < tlen; i++) {
+	  GET_MEMNUM_INC(mem, p);
+
+	  if (mem_end_stk[mem]   == INVALID_STACK_INDEX) continue;
+	  if (mem_start_stk[mem] == INVALID_STACK_INDEX) continue;
+
+	  if (BIT_STATUS_AT(reg->bt_mem_start, mem))
+	    pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
+	  else
+	    pstart = (UChar* )((void* )mem_start_stk[mem]);
+
+	  pend = (BIT_STATUS_AT(reg->bt_mem_end, mem)
+		  ? STACK_AT(mem_end_stk[mem])->u.mem.pstr
+		  : (UChar* )((void* )mem_end_stk[mem]));
+	  n = (int)(pend - pstart);
+	  DATA_ENSURE(n);
+	  sprev = s;
+	  swork = s;
+	  STRING_CMP_VALUE_IC(case_fold_flag, pstart, &swork, n, is_fail);
+	  if (is_fail) continue;
+	  s = swork;
+	  while (sprev + (len = enclen(encode, sprev)) < s)
+	    sprev += len;
+
+	  p += (SIZE_MEMNUM * (tlen - i - 1));
+	  break; /* success */
+	}
+	if (i == tlen) goto fail;
+	MOP_OUT;
+	continue;
+      }
+      break;
+
+#ifdef USE_BACKREF_WITH_LEVEL
+    case OP_BACKREF_WITH_LEVEL:
+      {
+	int len;
+	OnigOptionType ic;
+	LengthType level;
+
+	GET_OPTION_INC(ic,    p);
+	GET_LENGTH_INC(level, p);
+	GET_LENGTH_INC(tlen,  p);
+
+	sprev = s;
+	if (backref_match_at_nested_level(reg, stk, stk_base, ic
+		  , case_fold_flag, (int )level, (int )tlen, p, &s, end)) {
+	  while (sprev + (len = enclen(encode, sprev)) < s)
+	    sprev += len;
+
+	  p += (SIZE_MEMNUM * tlen);
+	}
+	else
+	  goto fail;
+
+	MOP_OUT;
+	continue;
+      }
+      
+      break;
+#endif
+
+#if 0   /* no need: IS_DYNAMIC_OPTION() == 0 */
+    case OP_SET_OPTION_PUSH:  MOP_IN(OP_SET_OPTION_PUSH);
+      GET_OPTION_INC(option, p);
+      STACK_PUSH_ALT(p, s, sprev);
+      p += SIZE_OP_SET_OPTION + SIZE_OP_FAIL;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_SET_OPTION:  MOP_IN(OP_SET_OPTION);
+      GET_OPTION_INC(option, p);
+      MOP_OUT;
+      continue;
+      break;
+#endif
+
+    case OP_NULL_CHECK_START:  MOP_IN(OP_NULL_CHECK_START);
+      GET_MEMNUM_INC(mem, p);    /* mem: null check id */
+      STACK_PUSH_NULL_CHECK_START(mem, s);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_NULL_CHECK_END:  MOP_IN(OP_NULL_CHECK_END);
+      {
+	int isnull;
+
+	GET_MEMNUM_INC(mem, p); /* mem: null check id */
+	STACK_NULL_CHECK(isnull, mem, s);
+	if (isnull) {
+#ifdef ONIG_DEBUG_MATCH
+	  fprintf(stderr, "NULL_CHECK_END: skip  id:%d, s:%d\n",
+		  (int )mem, (int )s);
+#endif
+	null_check_found:
+	  /* empty loop founded, skip next instruction */
+	  switch (*p++) {
+	  case OP_JUMP:
+	  case OP_PUSH:
+	    p += SIZE_RELADDR;
+	    break;
+	  case OP_REPEAT_INC:
+	  case OP_REPEAT_INC_NG:
+	  case OP_REPEAT_INC_SG:
+	  case OP_REPEAT_INC_NG_SG:
+	    p += SIZE_MEMNUM;
+	    break;
+	  default:
+	    goto unexpected_bytecode_error;
+	    break;
+	  }
+	}
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+#ifdef USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT
+    case OP_NULL_CHECK_END_MEMST:  MOP_IN(OP_NULL_CHECK_END_MEMST);
+      {
+	int isnull;
+
+	GET_MEMNUM_INC(mem, p); /* mem: null check id */
+	STACK_NULL_CHECK_MEMST(isnull, mem, s, reg);
+	if (isnull) {
+#ifdef ONIG_DEBUG_MATCH
+	  fprintf(stderr, "NULL_CHECK_END_MEMST: skip  id:%d, s:%d\n",
+		  (int )mem, (int )s);
+#endif
+	  if (isnull == -1) goto fail;
+	  goto 	null_check_found;
+	}
+      }
+      MOP_OUT;
+      continue;
+      break;
+#endif
+
+#ifdef USE_SUBEXP_CALL
+    case OP_NULL_CHECK_END_MEMST_PUSH:
+      MOP_IN(OP_NULL_CHECK_END_MEMST_PUSH);
+      {
+	int isnull;
+
+	GET_MEMNUM_INC(mem, p); /* mem: null check id */
+#ifdef USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT
+	STACK_NULL_CHECK_MEMST_REC(isnull, mem, s, reg);
+#else
+	STACK_NULL_CHECK_REC(isnull, mem, s);
+#endif
+	if (isnull) {
+#ifdef ONIG_DEBUG_MATCH
+	  fprintf(stderr, "NULL_CHECK_END_MEMST_PUSH: skip  id:%d, s:%d\n",
+		  (int )mem, (int )s);
+#endif
+	  if (isnull == -1) goto fail;
+	  goto 	null_check_found;
+	}
+	else {
+	  STACK_PUSH_NULL_CHECK_END(mem);
+	}
+      }
+      MOP_OUT;
+      continue;
+      break;
+#endif
+
+    case OP_JUMP:  MOP_IN(OP_JUMP);
+      GET_RELADDR_INC(addr, p);
+      p += addr;
+      MOP_OUT;
+      CHECK_INTERRUPT_IN_MATCH_AT;
+      continue;
+      break;
+
+    case OP_PUSH:  MOP_IN(OP_PUSH);
+      GET_RELADDR_INC(addr, p);
+      STACK_PUSH_ALT(p + addr, s, sprev);
+      MOP_OUT;
+      continue;
+      break;
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+    case OP_STATE_CHECK_PUSH:  MOP_IN(OP_STATE_CHECK_PUSH);
+      GET_STATE_CHECK_NUM_INC(mem, p);
+      STATE_CHECK_VAL(scv, mem);
+      if (scv) goto fail;
+
+      GET_RELADDR_INC(addr, p);
+      STACK_PUSH_ALT_WITH_STATE_CHECK(p + addr, s, sprev, mem);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_STATE_CHECK_PUSH_OR_JUMP:  MOP_IN(OP_STATE_CHECK_PUSH_OR_JUMP);
+      GET_STATE_CHECK_NUM_INC(mem, p);
+      GET_RELADDR_INC(addr, p);
+      STATE_CHECK_VAL(scv, mem);
+      if (scv) {
+	p += addr;
+      }
+      else {
+	STACK_PUSH_ALT_WITH_STATE_CHECK(p + addr, s, sprev, mem);
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_STATE_CHECK:  MOP_IN(OP_STATE_CHECK);
+      GET_STATE_CHECK_NUM_INC(mem, p);
+      STATE_CHECK_VAL(scv, mem);
+      if (scv) goto fail;
+
+      STACK_PUSH_STATE_CHECK(s, mem);
+      MOP_OUT;
+      continue;
+      break;
+#endif /* USE_COMBINATION_EXPLOSION_CHECK */
+
+    case OP_POP:  MOP_IN(OP_POP);
+      STACK_POP_ONE;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_PUSH_OR_JUMP_EXACT1:  MOP_IN(OP_PUSH_OR_JUMP_EXACT1);
+      GET_RELADDR_INC(addr, p);
+      if (*p == *s && DATA_ENSURE_CHECK1) {
+	p++;
+	STACK_PUSH_ALT(p + addr, s, sprev);
+	MOP_OUT;
+	continue;
+      }
+      p += (addr + 1);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_PUSH_IF_PEEK_NEXT:  MOP_IN(OP_PUSH_IF_PEEK_NEXT);
+      GET_RELADDR_INC(addr, p);
+      if (*p == *s) {
+	p++;
+	STACK_PUSH_ALT(p + addr, s, sprev);
+	MOP_OUT;
+	continue;
+      }
+      p++;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_REPEAT:  MOP_IN(OP_REPEAT);
+      {
+	GET_MEMNUM_INC(mem, p);    /* mem: OP_REPEAT ID */
+	GET_RELADDR_INC(addr, p);
+
+	STACK_ENSURE(1);
+	repeat_stk[mem] = GET_STACK_INDEX(stk);
+	STACK_PUSH_REPEAT(mem, p);
+
+	if (reg->repeat_range[mem].lower == 0) {
+	  STACK_PUSH_ALT(p + addr, s, sprev);
+	}
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_REPEAT_NG:  MOP_IN(OP_REPEAT_NG);
+      {
+	GET_MEMNUM_INC(mem, p);    /* mem: OP_REPEAT ID */
+	GET_RELADDR_INC(addr, p);
+
+	STACK_ENSURE(1);
+	repeat_stk[mem] = GET_STACK_INDEX(stk);
+	STACK_PUSH_REPEAT(mem, p);
+
+	if (reg->repeat_range[mem].lower == 0) {
+	  STACK_PUSH_ALT(p, s, sprev);
+	  p += addr;
+	}
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_REPEAT_INC:  MOP_IN(OP_REPEAT_INC);
+      GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
+      si = repeat_stk[mem];
+      stkp = STACK_AT(si);
+
+    repeat_inc:
+      stkp->u.repeat.count++;
+      if (stkp->u.repeat.count >= reg->repeat_range[mem].upper) {
+        /* end of repeat. Nothing to do. */
+      }
+      else if (stkp->u.repeat.count >= reg->repeat_range[mem].lower) {
+        STACK_PUSH_ALT(p, s, sprev);
+        p = STACK_AT(si)->u.repeat.pcode; /* Don't use stkp after PUSH. */
+      }
+      else {
+        p = stkp->u.repeat.pcode;
+      }
+      STACK_PUSH_REPEAT_INC(si);
+      MOP_OUT;
+      CHECK_INTERRUPT_IN_MATCH_AT;
+      continue;
+      break;
+
+    case OP_REPEAT_INC_SG:  MOP_IN(OP_REPEAT_INC_SG);
+      GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
+      STACK_GET_REPEAT(mem, stkp);
+      si = GET_STACK_INDEX(stkp);
+      goto repeat_inc;
+      break;
+
+    case OP_REPEAT_INC_NG:  MOP_IN(OP_REPEAT_INC_NG);
+      GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
+      si = repeat_stk[mem];
+      stkp = STACK_AT(si);
+
+    repeat_inc_ng:
+      stkp->u.repeat.count++;
+      if (stkp->u.repeat.count < reg->repeat_range[mem].upper) {
+        if (stkp->u.repeat.count >= reg->repeat_range[mem].lower) {
+          UChar* pcode = stkp->u.repeat.pcode;
+
+          STACK_PUSH_REPEAT_INC(si);
+          STACK_PUSH_ALT(pcode, s, sprev);
+        }
+        else {
+          p = stkp->u.repeat.pcode;
+          STACK_PUSH_REPEAT_INC(si);
+        }
+      }
+      else if (stkp->u.repeat.count == reg->repeat_range[mem].upper) {
+        STACK_PUSH_REPEAT_INC(si);
+      }
+      MOP_OUT;
+      CHECK_INTERRUPT_IN_MATCH_AT;
+      continue;
+      break;
+
+    case OP_REPEAT_INC_NG_SG:  MOP_IN(OP_REPEAT_INC_NG_SG);
+      GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
+      STACK_GET_REPEAT(mem, stkp);
+      si = GET_STACK_INDEX(stkp);
+      goto repeat_inc_ng;
+      break;
+
+    case OP_PUSH_POS:  MOP_IN(OP_PUSH_POS);
+      STACK_PUSH_POS(s, sprev);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_POP_POS:  MOP_IN(OP_POP_POS);
+      {
+	STACK_POS_END(stkp);
+	s     = stkp->u.state.pstr;
+	sprev = stkp->u.state.pstr_prev;
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_PUSH_POS_NOT:  MOP_IN(OP_PUSH_POS_NOT);
+      GET_RELADDR_INC(addr, p);
+      STACK_PUSH_POS_NOT(p + addr, s, sprev);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_FAIL_POS:  MOP_IN(OP_FAIL_POS);
+      STACK_POP_TIL_POS_NOT;
+      goto fail;
+      break;
+
+    case OP_PUSH_STOP_BT:  MOP_IN(OP_PUSH_STOP_BT);
+      STACK_PUSH_STOP_BT;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_POP_STOP_BT:  MOP_IN(OP_POP_STOP_BT);
+      STACK_STOP_BT_END;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_LOOK_BEHIND:  MOP_IN(OP_LOOK_BEHIND);
+      GET_LENGTH_INC(tlen, p);
+      s = (UChar* )ONIGENC_STEP_BACK(encode, str, s, (int )tlen);
+      if (IS_NULL(s)) goto fail;
+      sprev = (UChar* )onigenc_get_prev_char_head(encode, str, s);
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_PUSH_LOOK_BEHIND_NOT:  MOP_IN(OP_PUSH_LOOK_BEHIND_NOT);
+      GET_RELADDR_INC(addr, p);
+      GET_LENGTH_INC(tlen, p);
+      q = (UChar* )ONIGENC_STEP_BACK(encode, str, s, (int )tlen);
+      if (IS_NULL(q)) {
+	/* too short case -> success. ex. /(?<!XXX)a/.match("a")
+	   If you want to change to fail, replace following line. */
+	p += addr;
+	/* goto fail; */
+      }
+      else {
+	STACK_PUSH_LOOK_BEHIND_NOT(p + addr, s, sprev);
+	s = q;
+	sprev = (UChar* )onigenc_get_prev_char_head(encode, str, s);
+      }
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_FAIL_LOOK_BEHIND_NOT:  MOP_IN(OP_FAIL_LOOK_BEHIND_NOT);
+      STACK_POP_TIL_LOOK_BEHIND_NOT;
+      goto fail;
+      break;
+
+#ifdef USE_SUBEXP_CALL
+    case OP_CALL:  MOP_IN(OP_CALL);
+      GET_ABSADDR_INC(addr, p);
+      STACK_PUSH_CALL_FRAME(p);
+      p = reg->p + addr;
+      MOP_OUT;
+      continue;
+      break;
+
+    case OP_RETURN:  MOP_IN(OP_RETURN);
+      STACK_RETURN(p);
+      STACK_PUSH_RETURN;
+      MOP_OUT;
+      continue;
+      break;
+#endif
+
+    case OP_FINISH:
+      goto finish;
+      break;
+
+    fail:
+      MOP_OUT;
+      /* fall */
+    case OP_FAIL:  MOP_IN(OP_FAIL);
+      STACK_POP;
+      p     = stk->u.state.pcode;
+      s     = stk->u.state.pstr;
+      sprev = stk->u.state.pstr_prev;
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+      if (stk->u.state.state_check != 0) {
+        stk->type = STK_STATE_CHECK_MARK;
+        stk++;
+      }
+#endif
+
+      MOP_OUT;
+      continue;
+      break;
+
+    default:
+      goto bytecode_error;
+
+    } /* end of switch */
+    sprev = sbegin;
+  } /* end of while(1) */
+
+ finish:
+  STACK_SAVE;
+  xfree(alloca_base);
+  return best_len;
+
+#ifdef ONIG_DEBUG
+ stack_error:
+  STACK_SAVE;
+  xfree(alloca_base);
+  return ONIGERR_STACK_BUG;
+#endif
+
+ bytecode_error:
+  STACK_SAVE;
+  xfree(alloca_base);
+  return ONIGERR_UNDEFINED_BYTECODE;
+
+ unexpected_bytecode_error:
+  STACK_SAVE;
+  xfree(alloca_base);
+  return ONIGERR_UNEXPECTED_BYTECODE;
+}
+
+
+static UChar*
+slow_search(OnigEncoding enc, UChar* target, UChar* target_end,
+	    const UChar* text, const UChar* text_end, UChar* text_range)
+{
+  UChar *t, *p, *s, *end;
+
+  end = (UChar* )text_end;
+  end -= target_end - target - 1;
+  if (end > text_range)
+    end = text_range;
+
+  s = (UChar* )text;
+
+  while (s < end) {
+    if (*s == *target) {
+      p = s + 1;
+      t = target + 1;
+      while (t < target_end) {
+	if (*t != *p++)
+	  break;
+	t++;
+      }
+      if (t == target_end)
+	return s;
+    }
+    s += enclen(enc, s);
+  }
+
+  return (UChar* )NULL;
+}
+
+static int
+str_lower_case_match(OnigEncoding enc, int case_fold_flag,
+                     const UChar* t, const UChar* tend,
+		     const UChar* p, const UChar* end)
+{
+  int lowlen;
+  UChar *q, lowbuf[ONIGENC_MBC_CASE_FOLD_MAXLEN];
+
+  while (t < tend) {
+    lowlen = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &p, end, lowbuf);
+    q = lowbuf;
+    while (lowlen > 0) {
+      if (*t++ != *q++)	return 0;
+      lowlen--;
+    }
+  }
+
+  return 1;
+}
+
+static UChar*
+slow_search_ic(OnigEncoding enc, int case_fold_flag,
+	       UChar* target, UChar* target_end,
+	       const UChar* text, const UChar* text_end, UChar* text_range)
+{
+  UChar *s, *end;
+
+  end = (UChar* )text_end;
+  end -= target_end - target - 1;
+  if (end > text_range)
+    end = text_range;
+
+  s = (UChar* )text;
+
+  while (s < end) {
+    if (str_lower_case_match(enc, case_fold_flag, target, target_end,
+			     s, text_end))
+      return s;
+
+    s += enclen(enc, s);
+  }
+
+  return (UChar* )NULL;
+}
+
+static UChar*
+slow_search_backward(OnigEncoding enc, UChar* target, UChar* target_end,
+		     const UChar* text, const UChar* adjust_text,
+		     const UChar* text_end, const UChar* text_start)
+{
+  UChar *t, *p, *s;
+
+  s = (UChar* )text_end;
+  s -= (target_end - target);
+  if (s > text_start)
+    s = (UChar* )text_start;
+  else
+    s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, adjust_text, s);
+
+  while (s >= text) {
+    if (*s == *target) {
+      p = s + 1;
+      t = target + 1;
+      while (t < target_end) {
+	if (*t != *p++)
+	  break;
+	t++;
+      }
+      if (t == target_end)
+	return s;
+    }
+    s = (UChar* )onigenc_get_prev_char_head(enc, adjust_text, s);
+  }
+
+  return (UChar* )NULL;
+}
+
+static UChar*
+slow_search_backward_ic(OnigEncoding enc, int case_fold_flag,
+			UChar* target, UChar* target_end,
+			const UChar* text, const UChar* adjust_text,
+			const UChar* text_end, const UChar* text_start)
+{
+  UChar *s;
+
+  s = (UChar* )text_end;
+  s -= (target_end - target);
+  if (s > text_start)
+    s = (UChar* )text_start;
+  else
+    s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, adjust_text, s);
+
+  while (s >= text) {
+    if (str_lower_case_match(enc, case_fold_flag,
+                             target, target_end, s, text_end))
+      return s;
+
+    s = (UChar* )onigenc_get_prev_char_head(enc, adjust_text, s);
+  }
+
+  return (UChar* )NULL;
+}
+
+static UChar*
+bm_search_notrev(regex_t* reg, const UChar* target, const UChar* target_end,
+		 const UChar* text, const UChar* text_end,
+		 const UChar* text_range)
+{
+  const UChar *s, *se, *t, *p, *end;
+  const UChar *tail;
+  int skip, tlen1;
+
+#ifdef ONIG_DEBUG_SEARCH
+  fprintf(stderr, "bm_search_notrev: text: %d, text_end: %d, text_range: %d\n",
+	  (int )text, (int )text_end, (int )text_range);
+#endif
+
+  tail = target_end - 1;
+  tlen1 = (int)(tail - target);
+  end = text_range;
+  if (end + tlen1 > text_end)
+    end = text_end - tlen1;
+
+  s = text;
+
+  if (IS_NULL(reg->int_map)) {
+    while (s < end) {
+      p = se = s + tlen1;
+      t = tail;
+      while (*p == *t) {
+	if (t == target) return (UChar* )s;
+	p--; t--;
+      }
+      skip = reg->map[*se];
+      t = s;
+      do {
+        s += enclen(reg->enc, s);
+      } while ((s - t) < skip && s < end);
+    }
+  }
+  else {
+    while (s < end) {
+      p = se = s + tlen1;
+      t = tail;
+      while (*p == *t) {
+	if (t == target) return (UChar* )s;
+	p--; t--;
+      }
+      skip = reg->int_map[*se];
+      t = s;
+      do {
+        s += enclen(reg->enc, s);
+      } while ((s - t) < skip && s < end);
+    }
+  }
+
+  return (UChar* )NULL;
+}
+
+static UChar*
+bm_search(regex_t* reg, const UChar* target, const UChar* target_end,
+	  const UChar* text, const UChar* text_end, const UChar* text_range)
+{
+  const UChar *s, *t, *p, *end;
+  const UChar *tail;
+
+  end = text_range + (target_end - target) - 1;
+  if (end > text_end)
+    end = text_end;
+
+  tail = target_end - 1;
+  s = text + (target_end - target) - 1;
+  if (IS_NULL(reg->int_map)) {
+    while (s < end) {
+      p = s;
+      t = tail;
+      while (*p == *t) {
+	if (t == target) return (UChar* )p;
+	p--; t--;
+      }
+      s += reg->map[*s];
+    }
+  }
+  else { /* see int_map[] */
+    while (s < end) {
+      p = s;
+      t = tail;
+      while (*p == *t) {
+	if (t == target) return (UChar* )p;
+	p--; t--;
+      }
+      s += reg->int_map[*s];
+    }
+  }
+  return (UChar* )NULL;
+}
+
+static int
+set_bm_backward_skip(UChar* s, UChar* end, OnigEncoding enc ARG_UNUSED,
+		     int** skip)
+		     
+{
+  int i, len;
+
+  if (IS_NULL(*skip)) {
+    *skip = (int* )xmalloc(sizeof(int) * ONIG_CHAR_TABLE_SIZE);
+    if (IS_NULL(*skip)) return ONIGERR_MEMORY;
+  }
+
+  len = (int)(end - s);
+  for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++)
+    (*skip)[i] = len;
+
+  for (i = len - 1; i > 0; i--)
+    (*skip)[s[i]] = i;
+
+  return 0;
+}
+
+static UChar*
+bm_search_backward(regex_t* reg, const UChar* target, const UChar* target_end,
+		   const UChar* text, const UChar* adjust_text,
+		   const UChar* text_end, const UChar* text_start)
+{
+  const UChar *s, *t, *p;
+
+  s = text_end - (target_end - target);
+  if (text_start < s)
+    s = text_start;
+  else
+    s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, adjust_text, s);
+
+  while (s >= text) {
+    p = s;
+    t = target;
+    while (t < target_end && *p == *t) {
+      p++; t++;
+    }
+    if (t == target_end)
+      return (UChar* )s;
+
+    s -= reg->int_map_backward[*s];
+    s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, adjust_text, s);
+  }
+
+  return (UChar* )NULL;
+}
+
+static UChar*
+map_search(OnigEncoding enc, UChar map[],
+	   const UChar* text, const UChar* text_range)
+{
+  const UChar *s = text;
+
+  while (s < text_range) {
+    if (map[*s]) return (UChar* )s;
+
+    s += enclen(enc, s);
+  }
+  return (UChar* )NULL;
+}
+
+static UChar*
+map_search_backward(OnigEncoding enc, UChar map[],
+		    const UChar* text, const UChar* adjust_text,
+		    const UChar* text_start)
+{
+  const UChar *s = text_start;
+
+  while (s >= text) {
+    if (map[*s]) return (UChar* )s;
+
+    s = onigenc_get_prev_char_head(enc, adjust_text, s);
+  }
+  return (UChar* )NULL;
+}
+
+extern int
+onig_match(regex_t* reg, const UChar* str, const UChar* end, const UChar* at, OnigRegion* region,
+	    OnigOptionType option)
+{
+  int r;
+  UChar *prev;
+  OnigMatchArg msa;
+
+#if defined(USE_RECOMPILE_API) && defined(USE_MULTI_THREAD_SYSTEM)
+ start:
+  THREAD_ATOMIC_START;
+  if (ONIG_STATE(reg) >= ONIG_STATE_NORMAL) {
+    ONIG_STATE_INC(reg);
+    if (IS_NOT_NULL(reg->chain) && ONIG_STATE(reg) == ONIG_STATE_NORMAL) {
+      onig_chain_reduce(reg);
+      ONIG_STATE_INC(reg);
+    }
+  }
+  else {
+    int n;
+
+    THREAD_ATOMIC_END;
+    n = 0;
+    while (ONIG_STATE(reg) < ONIG_STATE_NORMAL) {
+      if (++n > THREAD_PASS_LIMIT_COUNT)
+	return ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT;
+      THREAD_PASS;
+    }
+    goto start;
+  }
+  THREAD_ATOMIC_END;
+#endif /* USE_RECOMPILE_API && USE_MULTI_THREAD_SYSTEM */
+
+  MATCH_ARG_INIT(msa, option, region, at);
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  {
+    int offset = at - str;
+    STATE_CHECK_BUFF_INIT(msa, end - str, offset, reg->num_comb_exp_check);
+  }
+#endif
+
+  if (region
+#ifdef USE_POSIX_API_REGION_OPTION
+      && !IS_POSIX_REGION(option)
+#endif
+      ) {
+    r = onig_region_resize_clear(region, reg->num_mem + 1);
+  }
+  else
+    r = 0;
+
+  if (r == 0) {
+    prev = (UChar* )onigenc_get_prev_char_head(reg->enc, str, at);
+    r = match_at(reg, str, end,
+#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+		 end,
+#endif
+		 at, prev, &msa);
+  }
+
+  MATCH_ARG_FREE(msa);
+  ONIG_STATE_DEC_THREAD(reg);
+  return r;
+}
+
+static int
+forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
+		     UChar* range, UChar** low, UChar** high, UChar** low_prev)
+{
+  UChar *p, *pprev = (UChar* )NULL;
+
+#ifdef ONIG_DEBUG_SEARCH
+  fprintf(stderr, "forward_search_range: str: %d, end: %d, s: %d, range: %d\n",
+	  (int )str, (int )end, (int )s, (int )range);
+#endif
+
+  p = s;
+  if (reg->dmin > 0) {
+    if (ONIGENC_IS_SINGLEBYTE(reg->enc)) {
+      p += reg->dmin;
+    }
+    else {
+      UChar *q = p + reg->dmin;
+      while (p < q) p += enclen(reg->enc, p);
+    }
+  }
+
+ retry:
+  switch (reg->optimize) {
+  case ONIG_OPTIMIZE_EXACT:
+    p = slow_search(reg->enc, reg->exact, reg->exact_end, p, end, range);
+    break;
+  case ONIG_OPTIMIZE_EXACT_IC:
+    p = slow_search_ic(reg->enc, reg->case_fold_flag,
+                       reg->exact, reg->exact_end, p, end, range);
+    break;
+
+  case ONIG_OPTIMIZE_EXACT_BM:
+    p = bm_search(reg, reg->exact, reg->exact_end, p, end, range);
+    break;
+
+  case ONIG_OPTIMIZE_EXACT_BM_NOT_REV:
+    p = bm_search_notrev(reg, reg->exact, reg->exact_end, p, end, range);
+    break;
+
+  case ONIG_OPTIMIZE_MAP:
+    p = map_search(reg->enc, reg->map, p, range);
+    break;
+  }
+
+  if (p && p < range) {
+    if (p - reg->dmin < s) {
+    retry_gate:
+      pprev = p;
+      p += enclen(reg->enc, p);
+      goto retry;
+    }
+
+    if (reg->sub_anchor) {
+      UChar* prev;
+
+      switch (reg->sub_anchor) {
+      case ANCHOR_BEGIN_LINE:
+	if (!ON_STR_BEGIN(p)) {
+	  prev = onigenc_get_prev_char_head(reg->enc,
+					    (pprev ? pprev : str), p);
+	  if (!ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end))
+	    goto retry_gate;
+	}
+	break;
+
+      case ANCHOR_END_LINE:
+	if (ON_STR_END(p)) {
+#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
+	  prev = (UChar* )onigenc_get_prev_char_head(reg->enc,
+					    (pprev ? pprev : str), p);
+	  if (prev && ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end))
+	    goto retry_gate;
+#endif
+	}
+	else if (! ONIGENC_IS_MBC_NEWLINE(reg->enc, p, end)
+#ifdef USE_CRNL_AS_LINE_TERMINATOR
+              && ! ONIGENC_IS_MBC_CRNL(reg->enc, p, end)
+#endif
+                )
+	  goto retry_gate;
+	break;
+      }
+    }
+
+    if (reg->dmax == 0) {
+      *low = p;
+      if (low_prev) {
+	if (*low > s)
+	  *low_prev = onigenc_get_prev_char_head(reg->enc, s, p);
+	else
+	  *low_prev = onigenc_get_prev_char_head(reg->enc,
+						 (pprev ? pprev : str), p);
+      }
+    }
+    else {
+      if (reg->dmax != ONIG_INFINITE_DISTANCE) {
+	*low = p - reg->dmax;
+	if (*low > s) {
+	  *low = onigenc_get_right_adjust_char_head_with_prev(reg->enc, s,
+							      *low, (const UChar** )low_prev);
+	  if (low_prev && IS_NULL(*low_prev))
+	    *low_prev = onigenc_get_prev_char_head(reg->enc,
+						   (pprev ? pprev : s), *low);
+	}
+	else {
+	  if (low_prev)
+	    *low_prev = onigenc_get_prev_char_head(reg->enc,
+					       (pprev ? pprev : str), *low);
+	}
+      }
+    }
+    /* no needs to adjust *high, *high is used as range check only */
+    *high = p - reg->dmin;
+
+#ifdef ONIG_DEBUG_SEARCH
+    fprintf(stderr,
+    "forward_search_range success: low: %d, high: %d, dmin: %d, dmax: %d\n",
+	    (int )(*low - str), (int )(*high - str), reg->dmin, reg->dmax);
+#endif
+    return 1; /* success */
+  }
+
+  return 0; /* fail */
+}
+
+static int set_bm_backward_skip P_((UChar* s, UChar* end, OnigEncoding enc,
+				    int** skip));
+
+#define BM_BACKWARD_SEARCH_LENGTH_THRESHOLD   100
+
+static int
+backward_search_range(regex_t* reg, const UChar* str, const UChar* end,
+		      UChar* s, const UChar* range, UChar* adjrange,
+		      UChar** low, UChar** high)
+{
+  int r;
+  UChar *p;
+
+  range += reg->dmin;
+  p = s;
+
+ retry:
+  switch (reg->optimize) {
+  case ONIG_OPTIMIZE_EXACT:
+  exact_method:
+    p = slow_search_backward(reg->enc, reg->exact, reg->exact_end,
+			     range, adjrange, end, p);
+    break;
+
+  case ONIG_OPTIMIZE_EXACT_IC:
+    p = slow_search_backward_ic(reg->enc, reg->case_fold_flag,
+                                reg->exact, reg->exact_end,
+                                range, adjrange, end, p);
+    break;
+
+  case ONIG_OPTIMIZE_EXACT_BM:
+  case ONIG_OPTIMIZE_EXACT_BM_NOT_REV:
+    if (IS_NULL(reg->int_map_backward)) {
+      if (s - range < BM_BACKWARD_SEARCH_LENGTH_THRESHOLD)
+	goto exact_method;
+
+      r = set_bm_backward_skip(reg->exact, reg->exact_end, reg->enc,
+			       &(reg->int_map_backward));
+      if (r) return r;
+    }
+    p = bm_search_backward(reg, reg->exact, reg->exact_end, range, adjrange,
+			   end, p);
+    break;
+
+  case ONIG_OPTIMIZE_MAP:
+    p = map_search_backward(reg->enc, reg->map, range, adjrange, p);
+    break;
+  }
+
+  if (p) {
+    if (reg->sub_anchor) {
+      UChar* prev;
+
+      switch (reg->sub_anchor) {
+      case ANCHOR_BEGIN_LINE:
+	if (!ON_STR_BEGIN(p)) {
+	  prev = onigenc_get_prev_char_head(reg->enc, str, p);
+	  if (!ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end)) {
+	    p = prev;
+	    goto retry;
+	  }
+	}
+	break;
+
+      case ANCHOR_END_LINE:
+	if (ON_STR_END(p)) {
+#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
+	  prev = onigenc_get_prev_char_head(reg->enc, adjrange, p);
+	  if (IS_NULL(prev)) goto fail;
+	  if (ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end)) {
+	    p = prev;
+	    goto retry;
+	  }
+#endif
+	}
+	else if (! ONIGENC_IS_MBC_NEWLINE(reg->enc, p, end)
+#ifdef USE_CRNL_AS_LINE_TERMINATOR
+              && ! ONIGENC_IS_MBC_CRNL(reg->enc, p, end)
+#endif
+                ) {
+	  p = onigenc_get_prev_char_head(reg->enc, adjrange, p);
+	  if (IS_NULL(p)) goto fail;
+	  goto retry;
+	}
+	break;
+      }
+    }
+
+    /* no needs to adjust *high, *high is used as range check only */
+    if (reg->dmax != ONIG_INFINITE_DISTANCE) {
+      *low  = p - reg->dmax;
+      *high = p - reg->dmin;
+      *high = onigenc_get_right_adjust_char_head(reg->enc, adjrange, *high);
+    }
+
+#ifdef ONIG_DEBUG_SEARCH
+    fprintf(stderr, "backward_search_range: low: %d, high: %d\n",
+	    (int )(*low - str), (int )(*high - str));
+#endif
+    return 1; /* success */
+  }
+
+ fail:
+#ifdef ONIG_DEBUG_SEARCH
+  fprintf(stderr, "backward_search_range: fail.\n");
+#endif
+  return 0; /* fail */
+}
+
+
+extern int
+onig_search(regex_t* reg, const UChar* str, const UChar* end,
+	    const UChar* start, const UChar* range, OnigRegion* region, OnigOptionType option)
+{
+  int r;
+  UChar *s, *prev;
+  OnigMatchArg msa;
+  const UChar *orig_start = start;
+#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+  const UChar *orig_range = range;
+#endif
+
+#if defined(USE_RECOMPILE_API) && defined(USE_MULTI_THREAD_SYSTEM)
+ start:
+  THREAD_ATOMIC_START;
+  if (ONIG_STATE(reg) >= ONIG_STATE_NORMAL) {
+    ONIG_STATE_INC(reg);
+    if (IS_NOT_NULL(reg->chain) && ONIG_STATE(reg) == ONIG_STATE_NORMAL) {
+      onig_chain_reduce(reg);
+      ONIG_STATE_INC(reg);
+    }
+  }
+  else {
+    int n;
+
+    THREAD_ATOMIC_END;
+    n = 0;
+    while (ONIG_STATE(reg) < ONIG_STATE_NORMAL) {
+      if (++n > THREAD_PASS_LIMIT_COUNT)
+	return ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT;
+      THREAD_PASS;
+    }
+    goto start;
+  }
+  THREAD_ATOMIC_END;
+#endif /* USE_RECOMPILE_API && USE_MULTI_THREAD_SYSTEM */
+
+#ifdef ONIG_DEBUG_SEARCH
+  fprintf(stderr,
+     "onig_search (entry point): str: %d, end: %d, start: %d, range: %d\n",
+     (int )str, (int )(end - str), (int )(start - str), (int )(range - str));
+#endif
+
+  if (region
+#ifdef USE_POSIX_API_REGION_OPTION
+      && !IS_POSIX_REGION(option)
+#endif
+      ) {
+    r = onig_region_resize_clear(region, reg->num_mem + 1);
+    if (r) goto finish_no_msa;
+  }
+
+  if (start > end || start < str) goto mismatch_no_msa;
+
+
+#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+#define MATCH_AND_RETURN_CHECK(upper_range) \
+  r = match_at(reg, str, end, (upper_range), s, prev, &msa); \
+  if (r != ONIG_MISMATCH) {\
+    if (r >= 0) {\
+      if (! IS_FIND_LONGEST(reg->options)) {\
+        goto match;\
+      }\
+    }\
+    else goto finish; /* error */ \
+  }
+#else
+#define MATCH_AND_RETURN_CHECK(upper_range) \
+  r = match_at(reg, str, end, (upper_range), s, prev, &msa); \
+  if (r != ONIG_MISMATCH) {\
+    if (r >= 0) {\
+      goto match;\
+    }\
+    else goto finish; /* error */ \
+  }
+#endif /* USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE */
+#else
+#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+#define MATCH_AND_RETURN_CHECK(none) \
+  r = match_at(reg, str, end, s, prev, &msa);\
+  if (r != ONIG_MISMATCH) {\
+    if (r >= 0) {\
+      if (! IS_FIND_LONGEST(reg->options)) {\
+        goto match;\
+      }\
+    }\
+    else goto finish; /* error */ \
+  }
+#else
+#define MATCH_AND_RETURN_CHECK(none) \
+  r = match_at(reg, str, end, s, prev, &msa);\
+  if (r != ONIG_MISMATCH) {\
+    if (r >= 0) {\
+      goto match;\
+    }\
+    else goto finish; /* error */ \
+  }
+#endif /* USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE */
+#endif /* USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE */
+
+
+  /* anchor optimize: resume search range */
+  if (reg->anchor != 0 && str < end) {
+    UChar *min_semi_end, *max_semi_end;
+
+    if (reg->anchor & ANCHOR_BEGIN_POSITION) {
+      /* search start-position only */
+    begin_position:
+      if (range > start)
+	range = start + 1;
+      else
+	range = start;
+    }
+    else if (reg->anchor & ANCHOR_BEGIN_BUF) {
+      /* search str-position only */
+      if (range > start) {
+	if (start != str) goto mismatch_no_msa;
+	range = str + 1;
+      }
+      else {
+	if (range <= str) {
+	  start = str;
+	  range = str;
+	}
+	else
+	  goto mismatch_no_msa;
+      }
+    }
+    else if (reg->anchor & ANCHOR_END_BUF) {
+      min_semi_end = max_semi_end = (UChar* )end;
+
+    end_buf:
+      if ((OnigDistance )(max_semi_end - str) < reg->anchor_dmin)
+	goto mismatch_no_msa;
+
+      if (range > start) {
+	if ((OnigDistance )(min_semi_end - start) > reg->anchor_dmax) {
+	  start = min_semi_end - reg->anchor_dmax;
+	  if (start < end)
+	    start = onigenc_get_right_adjust_char_head(reg->enc, str, start);
+	  else { /* match with empty at end */
+	    start = onigenc_get_prev_char_head(reg->enc, str, end);
+	  }
+	}
+	if ((OnigDistance )(max_semi_end - (range - 1)) < reg->anchor_dmin) {
+	  range = max_semi_end - reg->anchor_dmin + 1;
+	}
+
+	if (start >= range) goto mismatch_no_msa;
+      }
+      else {
+	if ((OnigDistance )(min_semi_end - range) > reg->anchor_dmax) {
+	  range = min_semi_end - reg->anchor_dmax;
+	}
+	if ((OnigDistance )(max_semi_end - start) < reg->anchor_dmin) {
+	  start = max_semi_end - reg->anchor_dmin;
+	  start = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, str, start);
+	}
+	if (range > start) goto mismatch_no_msa;
+      }
+    }
+    else if (reg->anchor & ANCHOR_SEMI_END_BUF) {
+      UChar* pre_end = ONIGENC_STEP_BACK(reg->enc, str, end, 1);
+
+      max_semi_end = (UChar* )end;
+      if (ONIGENC_IS_MBC_NEWLINE(reg->enc, pre_end, end)) {
+	min_semi_end = pre_end;
+
+#ifdef USE_CRNL_AS_LINE_TERMINATOR
+	pre_end = ONIGENC_STEP_BACK(reg->enc, str, pre_end, 1);
+	if (IS_NOT_NULL(pre_end) &&
+	    ONIGENC_IS_MBC_CRNL(reg->enc, pre_end, end)) {
+	  min_semi_end = pre_end;
+	}
+#endif
+	if (min_semi_end > str && start <= min_semi_end) {
+	  goto end_buf;
+	}
+      }
+      else {
+	min_semi_end = (UChar* )end;
+	goto end_buf;
+      }
+    }
+    else if ((reg->anchor & ANCHOR_ANYCHAR_STAR_ML)) {
+      goto begin_position;
+    }
+  }
+  else if (str == end) { /* empty string */
+    static const UChar* address_for_empty_string = (UChar* )"";
+
+#ifdef ONIG_DEBUG_SEARCH
+    fprintf(stderr, "onig_search: empty string.\n");
+#endif
+
+    if (reg->threshold_len == 0) {
+      start = end = str = address_for_empty_string;
+      s = (UChar* )start;
+      prev = (UChar* )NULL;
+
+      MATCH_ARG_INIT(msa, option, region, start);
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+      msa.state_check_buff = (void* )0;
+      msa.state_check_buff_size = 0;   /* NO NEED, for valgrind */
+#endif
+      MATCH_AND_RETURN_CHECK(end);
+      goto mismatch;
+    }
+    goto mismatch_no_msa;
+  }
+
+#ifdef ONIG_DEBUG_SEARCH
+  fprintf(stderr, "onig_search(apply anchor): end: %d, start: %d, range: %d\n",
+	  (int )(end - str), (int )(start - str), (int )(range - str));
+#endif
+
+  MATCH_ARG_INIT(msa, option, region, orig_start);
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  {
+    int offset = (MIN(start, range) - str);
+    STATE_CHECK_BUFF_INIT(msa, end - str, offset, reg->num_comb_exp_check);
+  }
+#endif
+
+  s = (UChar* )start;
+  if (range > start) {   /* forward search */
+    if (s > str)
+      prev = onigenc_get_prev_char_head(reg->enc, str, s);
+    else
+      prev = (UChar* )NULL;
+
+    if (reg->optimize != ONIG_OPTIMIZE_NONE) {
+      UChar *sch_range, *low, *high, *low_prev;
+
+      sch_range = (UChar* )range;
+      if (reg->dmax != 0) {
+	if (reg->dmax == ONIG_INFINITE_DISTANCE)
+	  sch_range = (UChar* )end;
+	else {
+	  sch_range += reg->dmax;
+	  if (sch_range > end) sch_range = (UChar* )end;
+	}
+      }
+
+      if ((end - start) < reg->threshold_len)
+        goto mismatch;
+
+      if (reg->dmax != ONIG_INFINITE_DISTANCE) {
+	do {
+	  if (! forward_search_range(reg, str, end, s, sch_range,
+				     &low, &high, &low_prev)) goto mismatch;
+	  if (s < low) {
+	    s    = low;
+	    prev = low_prev;
+	  }
+	  while (s <= high) {
+	    MATCH_AND_RETURN_CHECK(orig_range);
+	    prev = s;
+	    s += enclen(reg->enc, s);
+	  }
+	} while (s < range);
+	goto mismatch;
+      }
+      else { /* check only. */
+	if (! forward_search_range(reg, str, end, s, sch_range,
+				   &low, &high, (UChar** )NULL)) goto mismatch;
+
+        if ((reg->anchor & ANCHOR_ANYCHAR_STAR) != 0) {
+          do {
+            MATCH_AND_RETURN_CHECK(orig_range);
+            prev = s;
+            s += enclen(reg->enc, s);
+
+            while (!ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end) && s < range) {
+              prev = s;
+              s += enclen(reg->enc, s);
+            }
+          } while (s < range);
+          goto mismatch;
+        }
+      }
+    }
+
+    do {
+      MATCH_AND_RETURN_CHECK(orig_range);
+      prev = s;
+      s += enclen(reg->enc, s);
+    } while (s < range);
+
+    if (s == range) { /* because empty match with /$/. */
+      MATCH_AND_RETURN_CHECK(orig_range);
+    }
+  }
+  else {  /* backward search */
+#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+    if (orig_start < end)
+      orig_start += enclen(reg->enc, orig_start); /* is upper range */
+#endif
+
+    if (reg->optimize != ONIG_OPTIMIZE_NONE) {
+      UChar *low, *high, *adjrange, *sch_start;
+
+      if (range < end)
+	adjrange = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, str, range);
+      else
+	adjrange = (UChar* )end;
+
+      if (reg->dmax != ONIG_INFINITE_DISTANCE &&
+	  (end - range) >= reg->threshold_len) {
+	do {
+	  sch_start = s + reg->dmax;
+	  if (sch_start > end) sch_start = (UChar* )end;
+	  if (backward_search_range(reg, str, end, sch_start, range, adjrange,
+				    &low, &high) <= 0)
+	    goto mismatch;
+
+	  if (s > high)
+	    s = high;
+
+	  while (s >= low) {
+	    prev = onigenc_get_prev_char_head(reg->enc, str, s);
+	    MATCH_AND_RETURN_CHECK(orig_start);
+	    s = prev;
+	  }
+	} while (s >= range);
+	goto mismatch;
+      }
+      else { /* check only. */
+	if ((end - range) < reg->threshold_len) goto mismatch;
+
+	sch_start = s;
+	if (reg->dmax != 0) {
+	  if (reg->dmax == ONIG_INFINITE_DISTANCE)
+	    sch_start = (UChar* )end;
+	  else {
+	    sch_start += reg->dmax;
+	    if (sch_start > end) sch_start = (UChar* )end;
+	    else
+	      sch_start = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc,
+						    start, sch_start);
+	  }
+	}
+	if (backward_search_range(reg, str, end, sch_start, range, adjrange,
+				  &low, &high) <= 0) goto mismatch;
+      }
+    }
+
+    do {
+      prev = onigenc_get_prev_char_head(reg->enc, str, s);
+      MATCH_AND_RETURN_CHECK(orig_start);
+      s = prev;
+    } while (s >= range);
+  }
+
+ mismatch:
+#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+  if (IS_FIND_LONGEST(reg->options)) {
+    if (msa.best_len >= 0) {
+      s = msa.best_s;
+      goto match;
+    }
+  }
+#endif
+  r = ONIG_MISMATCH;
+
+ finish:
+  MATCH_ARG_FREE(msa);
+  ONIG_STATE_DEC_THREAD(reg);
+
+  /* If result is mismatch and no FIND_NOT_EMPTY option,
+     then the region is not setted in match_at(). */
+  if (IS_FIND_NOT_EMPTY(reg->options) && region
+#ifdef USE_POSIX_API_REGION_OPTION
+      && !IS_POSIX_REGION(option)
+#endif
+      ) {
+    onig_region_clear(region);
+  }
+
+#ifdef ONIG_DEBUG
+  if (r != ONIG_MISMATCH)
+    fprintf(stderr, "onig_search: error %d\n", r);
+#endif
+  return r;
+
+ mismatch_no_msa:
+  r = ONIG_MISMATCH;
+ finish_no_msa:
+  ONIG_STATE_DEC_THREAD(reg);
+#ifdef ONIG_DEBUG
+  if (r != ONIG_MISMATCH)
+    fprintf(stderr, "onig_search: error %d\n", r);
+#endif
+  return r;
+
+ match:
+  ONIG_STATE_DEC_THREAD(reg);
+  MATCH_ARG_FREE(msa);
+  return (int)(s - str);
+}
+
+extern OnigEncoding
+onig_get_encoding(regex_t* reg)
+{
+  return reg->enc;
+}
+
+extern OnigOptionType
+onig_get_options(regex_t* reg)
+{
+  return reg->options;
+}
+
+extern  OnigCaseFoldType
+onig_get_case_fold_flag(regex_t* reg)
+{
+  return reg->case_fold_flag;
+}
+
+extern OnigSyntaxType*
+onig_get_syntax(regex_t* reg)
+{
+  return reg->syntax;
+}
+
+extern int
+onig_number_of_captures(regex_t* reg)
+{
+  return reg->num_mem;
+}
+
+extern int
+onig_number_of_capture_histories(regex_t* reg)
+{
+#ifdef USE_CAPTURE_HISTORY
+  int i, n;
+
+  n = 0;
+  for (i = 0; i <= ONIG_MAX_CAPTURE_HISTORY_GROUP; i++) {
+    if (BIT_STATUS_AT(reg->capture_history, i) != 0)
+      n++;
+  }
+  return n;
+#else
+  return 0;
+#endif
+}
+
+extern void
+onig_copy_encoding(OnigEncoding to, OnigEncoding from)
+{
+  *to = *from;
+}
+
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/reggnu.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/reggnu.c
new file mode 100644
index 0000000000..89cb4d6030
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/reggnu.c
@@ -0,0 +1,169 @@
+/**********************************************************************
+  reggnu.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regint.h"
+
+#ifndef ONIGGNU_H
+#include "oniggnu.h"
+#endif
+
+extern void
+re_free_registers(OnigRegion* r)
+{
+  /* 0: don't free self */
+  onig_region_free(r, 0);
+}
+
+extern int
+re_adjust_startpos(regex_t* reg, const char* string, int size,
+		   int startpos, int range)
+{
+  if (startpos > 0 && ONIGENC_MBC_MAXLEN(reg->enc) != 1 && startpos < size) {
+    UChar *p;
+    UChar *s = (UChar* )string + startpos;
+
+    if (range > 0) {
+      p = onigenc_get_right_adjust_char_head(reg->enc, (UChar* )string, s);
+    }
+    else {
+      p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, (UChar* )string, s);
+    }
+    return (int)(p - (UChar* )string);
+  }
+
+  return startpos;
+}
+
+extern int
+re_match(regex_t* reg, const char* str, int size, int pos,
+	 struct re_registers* regs)
+{
+  return onig_match(reg, (UChar* )str, (UChar* )(str + size),
+		    (UChar* )(str + pos), regs, ONIG_OPTION_NONE);
+}
+
+extern int
+re_search(regex_t* bufp, const char* string, int size, int startpos, int range,
+	  struct re_registers* regs)
+{
+  return onig_search(bufp, (UChar* )string, (UChar* )(string + size),
+		     (UChar* )(string + startpos),
+		     (UChar* )(string + startpos + range),
+		     regs, ONIG_OPTION_NONE);
+}
+
+extern int
+re_compile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
+{
+  int r;
+  OnigErrorInfo einfo;
+
+  r = onig_compile(reg, (UChar* )pattern, (UChar* )(pattern + size), &einfo);
+  if (r != ONIG_NORMAL) {
+    if (IS_NOT_NULL(ebuf))
+      (void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
+  }
+
+  return r;
+}
+
+#ifdef USE_RECOMPILE_API
+extern int
+re_recompile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
+{
+  int r;
+  OnigErrorInfo einfo;
+  OnigEncoding enc;
+
+  /* I think encoding and options should be arguments of this function.
+     But this is adapted to present re.c. (2002/11/29)
+   */
+  enc = OnigEncDefaultCharEncoding;
+
+  r = onig_recompile(reg, (UChar* )pattern, (UChar* )(pattern + size),
+		     reg->options, enc, OnigDefaultSyntax, &einfo);
+  if (r != ONIG_NORMAL) {
+    if (IS_NOT_NULL(ebuf))
+      (void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
+  }
+  return r;
+}
+#endif
+
+extern void
+re_free_pattern(regex_t* reg)
+{
+  onig_free(reg);
+}
+
+extern int
+re_alloc_pattern(regex_t** reg)
+{
+  *reg = (regex_t* )xmalloc(sizeof(regex_t));
+  if (IS_NULL(*reg)) return ONIGERR_MEMORY;
+
+  return onig_reg_init(*reg, ONIG_OPTION_DEFAULT,
+		       ONIGENC_CASE_FOLD_DEFAULT,
+		       OnigEncDefaultCharEncoding,
+		       OnigDefaultSyntax);
+}
+
+extern void
+re_set_casetable(const char* table)
+{
+  onigenc_set_default_caseconv_table((UChar* )table);
+}
+
+extern void
+re_mbcinit(int mb_code)
+{
+  OnigEncoding enc;
+
+  switch (mb_code) {
+  case RE_MBCTYPE_ASCII:
+    enc = ONIG_ENCODING_ASCII;
+    break;
+  case RE_MBCTYPE_EUC:
+    enc = ONIG_ENCODING_EUC_JP;
+    break;
+  case RE_MBCTYPE_SJIS:
+    enc = ONIG_ENCODING_SJIS;
+    break;
+  case RE_MBCTYPE_UTF8:
+    enc = ONIG_ENCODING_UTF8;
+    break;
+  default:
+    return ;
+    break;
+  }
+
+  onigenc_set_default_encoding(enc);
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regint.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regint.h
new file mode 100644
index 0000000000..2db3b709e8
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regint.h
@@ -0,0 +1,820 @@
+#ifndef REGINT_H
+#define REGINT_H
+/**********************************************************************
+  regint.h -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2013  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* for debug */
+/* #define ONIG_DEBUG_PARSE_TREE */
+/* #define ONIG_DEBUG_COMPILE */
+/* #define ONIG_DEBUG_SEARCH */
+/* #define ONIG_DEBUG_MATCH */
+/* #define ONIG_DONT_OPTIMIZE */
+
+/* for byte-code statistical data. */
+/* #define ONIG_DEBUG_STATISTICS */
+
+#if defined(ONIG_DEBUG_PARSE_TREE) || defined(ONIG_DEBUG_MATCH) || \
+    defined(ONIG_DEBUG_SEARCH) || defined(ONIG_DEBUG_COMPILE) || \
+    defined(ONIG_DEBUG_STATISTICS)
+#ifndef ONIG_DEBUG
+#define ONIG_DEBUG
+#endif
+#endif
+
+#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
+    (defined(__ppc__) && defined(__APPLE__)) || \
+    defined(__x86_64) || defined(__x86_64__) || \
+    defined(__mc68020__)
+#define PLATFORM_UNALIGNED_WORD_ACCESS
+#endif
+
+/* config */
+/* spec. config */
+#define USE_NAMED_GROUP
+#define USE_SUBEXP_CALL
+#define USE_BACKREF_WITH_LEVEL        /* \k<name+n>, \k<name-n> */
+#define USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT  /* /(?:()|())*\2/ */
+#define USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE     /* /\n$/ =~ "\n" */
+#define USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
+/* #define USE_RECOMPILE_API */
+/* !!! moved to regenc.h. */ /* #define USE_CRNL_AS_LINE_TERMINATOR */
+
+/* internal config */
+#define USE_PARSE_TREE_NODE_RECYCLE
+#define USE_OP_PUSH_OR_JUMP_EXACT
+#define USE_QTFR_PEEK_NEXT
+#define USE_ST_LIBRARY
+#define USE_SHARED_CCLASS_TABLE
+
+#define INIT_MATCH_STACK_SIZE                     160
+#define DEFAULT_MATCH_STACK_LIMIT_SIZE              0 /* unlimited */
+
+#if defined(__GNUC__)
+#  define ARG_UNUSED  __attribute__ ((unused))
+#else
+#  define ARG_UNUSED
+#endif
+
+/* */
+/* escape other system UChar definition */
+//#include "config.h"
+#ifdef ONIG_ESCAPE_UCHAR_COLLISION
+#undef ONIG_ESCAPE_UCHAR_COLLISION
+#endif
+
+#define USE_WORD_BEGIN_END        /* "\<", "\>" */
+#define USE_CAPTURE_HISTORY
+#define USE_VARIABLE_META_CHARS
+#define USE_POSIX_API_REGION_OPTION
+#define USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+/* #define USE_COMBINATION_EXPLOSION_CHECK */     /* (X*)* */
+
+/* #define USE_MULTI_THREAD_SYSTEM */
+#define THREAD_SYSTEM_INIT      /* depend on thread system */
+#define THREAD_SYSTEM_END       /* depend on thread system */
+#define THREAD_ATOMIC_START     /* depend on thread system */
+#define THREAD_ATOMIC_END       /* depend on thread system */
+#define THREAD_PASS             /* depend on thread system */
+#define xmalloc     malloc
+#define xrealloc    realloc
+#define xcalloc     calloc
+#define xfree       free
+
+#define CHECK_INTERRUPT_IN_MATCH_AT
+
+#define st_init_table                  onig_st_init_table
+#define st_init_table_with_size        onig_st_init_table_with_size
+#define st_init_numtable               onig_st_init_numtable
+#define st_init_numtable_with_size     onig_st_init_numtable_with_size
+#define st_init_strtable               onig_st_init_strtable
+#define st_init_strtable_with_size     onig_st_init_strtable_with_size
+#define st_delete                      onig_st_delete
+#define st_delete_safe                 onig_st_delete_safe
+#define st_insert                      onig_st_insert
+#define st_lookup                      onig_st_lookup
+#define st_foreach                     onig_st_foreach
+#define st_add_direct                  onig_st_add_direct
+#define st_free_table                  onig_st_free_table
+#define st_cleanup_safe                onig_st_cleanup_safe
+#define st_copy                        onig_st_copy
+#define st_nothing_key_clone           onig_st_nothing_key_clone
+#define st_nothing_key_free            onig_st_nothing_key_free
+/* */
+#define onig_st_is_member              st_is_member
+
+#define STATE_CHECK_STRING_THRESHOLD_LEN             7
+#define STATE_CHECK_BUFF_MAX_SIZE               0x4000
+
+#define THREAD_PASS_LIMIT_COUNT     8
+//#define xmemset     memset
+//#define xmemcpy     memcpy
+//#define xmemmove    memmove
+
+#if defined(_WIN32) && !defined(__GNUC__)
+#define xalloca     _alloca
+#define xvsnprintf  _vsnprintf
+#else
+#define xalloca     alloca
+#define xvsnprintf  vsnprintf
+#endif
+
+
+#if defined(USE_RECOMPILE_API) && defined(USE_MULTI_THREAD_SYSTEM)
+#define ONIG_STATE_INC(reg) (reg)->state++
+#define ONIG_STATE_DEC(reg) (reg)->state--
+
+#define ONIG_STATE_INC_THREAD(reg) do {\
+  THREAD_ATOMIC_START;\
+  (reg)->state++;\
+  THREAD_ATOMIC_END;\
+} while(0)
+#define ONIG_STATE_DEC_THREAD(reg) do {\
+  THREAD_ATOMIC_START;\
+  (reg)->state--;\
+  THREAD_ATOMIC_END;\
+} while(0)
+#else
+#define ONIG_STATE_INC(reg)         /* Nothing */
+#define ONIG_STATE_DEC(reg)         /* Nothing */
+#define ONIG_STATE_INC_THREAD(reg)  /* Nothing */
+#define ONIG_STATE_DEC_THREAD(reg)  /* Nothing */
+#endif /* USE_RECOMPILE_API && USE_MULTI_THREAD_SYSTEM */
+
+#if 0
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#if defined(HAVE_ALLOCA_H) && !defined(__GNUC__)
+#include <alloca.h>
+#endif
+
+#ifdef HAVE_STRING_H
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+
+#include <ctype.h>
+#ifdef HAVE_SYS_TYPES_H
+#ifndef __BORLANDC__
+#include <sys/types.h>
+#endif
+#endif
+
+#ifdef __BORLANDC__
+#include <malloc.h>
+#endif
+
+#ifdef ONIG_DEBUG
+# include <stdio.h>
+#endif
+#endif
+
+#include "regenc.h"
+
+#ifdef MIN
+#undef MIN
+#endif
+#ifdef MAX
+#undef MAX
+#endif
+#define MIN(a,b) (((a)>(b))?(b):(a))
+#define MAX(a,b) (((a)<(b))?(b):(a))
+
+#define IS_NULL(p)                    (((void*)(p)) == (void*)0)
+#define IS_NOT_NULL(p)                (((void*)(p)) != (void*)0)
+#define CHECK_NULL_RETURN(p)          if (IS_NULL(p)) return NULL
+#define CHECK_NULL_RETURN_MEMERR(p)   if (IS_NULL(p)) return ONIGERR_MEMORY
+#define NULL_UCHARP                   ((UChar* )0)
+
+#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
+
+#define PLATFORM_GET_INC(val,p,type) do{\
+  val  = *(type* )p;\
+  (p) += sizeof(type);\
+} while(0)
+
+#else
+
+#define PLATFORM_GET_INC(val,p,type) do{\
+  xmemcpy(&val, (p), sizeof(type));\
+  (p) += sizeof(type);\
+} while(0)
+
+/* sizeof(OnigCodePoint) */
+#define WORD_ALIGNMENT_SIZE     SIZEOF_LONG
+
+#define GET_ALIGNMENT_PAD_SIZE(addr,pad_size) do {\
+  (pad_size) = WORD_ALIGNMENT_SIZE \
+               - ((unsigned int )(addr) % WORD_ALIGNMENT_SIZE);\
+  if ((pad_size) == WORD_ALIGNMENT_SIZE) (pad_size) = 0;\
+} while (0)
+
+#define ALIGNMENT_RIGHT(addr) do {\
+  (addr) += (WORD_ALIGNMENT_SIZE - 1);\
+  (addr) -= ((unsigned int )(addr) % WORD_ALIGNMENT_SIZE);\
+} while (0)
+
+#endif /* PLATFORM_UNALIGNED_WORD_ACCESS */
+
+/* stack pop level */
+#define STACK_POP_LEVEL_FREE        0
+#define STACK_POP_LEVEL_MEM_START   1
+#define STACK_POP_LEVEL_ALL         2
+
+/* optimize flags */
+#define ONIG_OPTIMIZE_NONE              0
+#define ONIG_OPTIMIZE_EXACT             1   /* Slow Search */
+#define ONIG_OPTIMIZE_EXACT_BM          2   /* Boyer Moore Search */
+#define ONIG_OPTIMIZE_EXACT_BM_NOT_REV  3   /* BM   (but not simple match) */
+#define ONIG_OPTIMIZE_EXACT_IC          4   /* Slow Search (ignore case) */
+#define ONIG_OPTIMIZE_MAP               5   /* char map */
+
+/* bit status */
+typedef unsigned int  BitStatusType;
+
+#define BIT_STATUS_BITS_NUM          (sizeof(BitStatusType) * 8)
+#define BIT_STATUS_CLEAR(stats)      (stats) = 0
+#define BIT_STATUS_ON_ALL(stats)     (stats) = ~((BitStatusType )0)
+#define BIT_STATUS_AT(stats,n) \
+  ((n) < (int )BIT_STATUS_BITS_NUM  ?  ((stats) & (1 << n)) : ((stats) & 1))
+
+#define BIT_STATUS_ON_AT(stats,n) do {\
+    if ((n) < (int )BIT_STATUS_BITS_NUM)	\
+    (stats) |= (1 << (n));\
+  else\
+    (stats) |= 1;\
+} while (0)
+
+#define BIT_STATUS_ON_AT_SIMPLE(stats,n) do {\
+    if ((n) < (int )BIT_STATUS_BITS_NUM)\
+    (stats) |= (1 << (n));\
+} while (0)
+
+
+#define INT_MAX_LIMIT           ((1UL << (SIZEOF_INT * 8 - 1)) - 1)
+
+#define DIGITVAL(code)    ((code) - '0')
+#define ODIGITVAL(code)   DIGITVAL(code)
+#define XDIGITVAL(enc,code) \
+  (ONIGENC_IS_CODE_DIGIT(enc,code) ? DIGITVAL(code) \
+   : (ONIGENC_IS_CODE_UPPER(enc,code) ? (code) - 'A' + 10 : (code) - 'a' + 10))
+
+#define IS_SINGLELINE(option)     ((option) & ONIG_OPTION_SINGLELINE)
+#define IS_MULTILINE(option)      ((option) & ONIG_OPTION_MULTILINE)
+#define IS_IGNORECASE(option)     ((option) & ONIG_OPTION_IGNORECASE)
+#define IS_EXTEND(option)         ((option) & ONIG_OPTION_EXTEND)
+#define IS_FIND_LONGEST(option)   ((option) & ONIG_OPTION_FIND_LONGEST)
+#define IS_FIND_NOT_EMPTY(option) ((option) & ONIG_OPTION_FIND_NOT_EMPTY)
+#define IS_FIND_CONDITION(option) ((option) & \
+          (ONIG_OPTION_FIND_LONGEST | ONIG_OPTION_FIND_NOT_EMPTY))
+#define IS_NOTBOL(option)         ((option) & ONIG_OPTION_NOTBOL)
+#define IS_NOTEOL(option)         ((option) & ONIG_OPTION_NOTEOL)
+#define IS_POSIX_REGION(option)   ((option) & ONIG_OPTION_POSIX_REGION)
+
+/* OP_SET_OPTION is required for these options.
+#define IS_DYNAMIC_OPTION(option) \
+  (((option) & (ONIG_OPTION_MULTILINE | ONIG_OPTION_IGNORECASE)) != 0)
+*/
+/* ignore-case and multibyte status are included in compiled code. */
+#define IS_DYNAMIC_OPTION(option)  0
+
+#define DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag) \
+  ((case_fold_flag) & ~INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR)
+
+#define REPEAT_INFINITE         -1
+#define IS_REPEAT_INFINITE(n)   ((n) == REPEAT_INFINITE)
+
+/* bitset */
+#define BITS_PER_BYTE      8
+#define SINGLE_BYTE_SIZE   (1 << BITS_PER_BYTE)
+#define BITS_IN_ROOM       (sizeof(Bits) * BITS_PER_BYTE)
+#define BITSET_SIZE        (SINGLE_BYTE_SIZE / BITS_IN_ROOM)
+
+#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
+typedef unsigned int   Bits;
+#else
+typedef unsigned char  Bits;
+#endif
+typedef Bits           BitSet[BITSET_SIZE];
+typedef Bits*          BitSetRef;
+
+#define SIZE_BITSET        sizeof(BitSet)
+
+#define BITSET_CLEAR(bs) do {\
+  int i;\
+  for (i = 0; i < (int )BITSET_SIZE; i++) { (bs)[i] = 0; }	\
+} while (0)
+
+#define BS_ROOM(bs,pos)            (bs)[pos / BITS_IN_ROOM]
+#define BS_BIT(pos)                (1 << (pos % BITS_IN_ROOM))
+
+#define BITSET_AT(bs, pos)         (BS_ROOM(bs,pos) & BS_BIT(pos))
+#define BITSET_SET_BIT(bs, pos)     BS_ROOM(bs,pos) |= BS_BIT(pos)
+#define BITSET_CLEAR_BIT(bs, pos)   BS_ROOM(bs,pos) &= ~(BS_BIT(pos))
+#define BITSET_INVERT_BIT(bs, pos)  BS_ROOM(bs,pos) ^= BS_BIT(pos)
+
+/* bytes buffer */
+typedef struct _BBuf {
+  UChar* p;
+  unsigned int used;
+  unsigned int alloc;
+} BBuf;
+
+#define BBUF_INIT(buf,size)    onig_bbuf_init((BBuf* )(buf), (size))
+
+#define BBUF_SIZE_INC(buf,inc) do{\
+  (buf)->alloc += (inc);\
+  (buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
+  if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
+} while (0)
+
+#define BBUF_EXPAND(buf,low) do{\
+  unsigned int OldSize_ = (buf)->alloc * sizeof((buf)->p[0]);\
+  do { (buf)->alloc *= 2; } while ((buf)->alloc < (unsigned int )low);\
+  (buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc, OldSize_);\
+  if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
+} while (0)
+
+#define BBUF_ENSURE_SIZE(buf,size) do{\
+  unsigned int new_alloc = (buf)->alloc;\
+  while (new_alloc < (unsigned int )(size)) { new_alloc *= 2; }\
+  if ((buf)->alloc != new_alloc) {\
+    (buf)->p = (UChar* )xrealloc((buf)->p, new_alloc, (buf)->alloc);\
+    if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
+    (buf)->alloc = new_alloc;\
+  }\
+} while (0)
+
+#define BBUF_WRITE(buf,pos,bytes,n) do{\
+  int used = (pos) + (n);\
+  if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
+  xmemcpy((buf)->p + (pos), (bytes), (n));\
+  if ((buf)->used < (unsigned int )used) (buf)->used = used;\
+} while (0)
+
+#define BBUF_WRITE1(buf,pos,byte) do{\
+  int used = (pos) + 1;\
+  if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
+  (buf)->p[(pos)] = (byte);\
+  if ((buf)->used < (unsigned int )used) (buf)->used = used;\
+} while (0)
+
+#define BBUF_ADD(buf,bytes,n)       BBUF_WRITE((buf),(buf)->used,(bytes),(n))
+#define BBUF_ADD1(buf,byte)         BBUF_WRITE1((buf),(buf)->used,(byte))
+#define BBUF_GET_ADD_ADDRESS(buf)   ((buf)->p + (buf)->used)
+#define BBUF_GET_OFFSET_POS(buf)    ((buf)->used)
+
+/* from < to */
+#define BBUF_MOVE_RIGHT(buf,from,to,n) do {\
+  if ((unsigned int )((to)+(n)) > (buf)->alloc) BBUF_EXPAND((buf),(to) + (n));\
+  xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
+  if ((unsigned int )((to)+(n)) > (buf)->used) (buf)->used = (to) + (n);\
+} while (0)
+
+/* from > to */
+#define BBUF_MOVE_LEFT(buf,from,to,n) do {\
+  xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
+} while (0)
+
+/* from > to */
+#define BBUF_MOVE_LEFT_REDUCE(buf,from,to) do {\
+  xmemmove((buf)->p + (to), (buf)->p + (from), (buf)->used - (from));\
+  (buf)->used -= (from - to);\
+} while (0)
+
+#define BBUF_INSERT(buf,pos,bytes,n) do {\
+  if (pos >= (buf)->used) {\
+    BBUF_WRITE(buf,pos,bytes,n);\
+  }\
+  else {\
+    BBUF_MOVE_RIGHT((buf),(pos),(pos) + (n),((buf)->used - (pos)));\
+    xmemcpy((buf)->p + (pos), (bytes), (n));\
+  }\
+} while (0)
+
+#define BBUF_GET_BYTE(buf, pos) (buf)->p[(pos)]
+
+
+#define ANCHOR_BEGIN_BUF        (1<<0)
+#define ANCHOR_BEGIN_LINE       (1<<1)
+#define ANCHOR_BEGIN_POSITION   (1<<2)
+#define ANCHOR_END_BUF          (1<<3)
+#define ANCHOR_SEMI_END_BUF     (1<<4)
+#define ANCHOR_END_LINE         (1<<5)
+
+#define ANCHOR_WORD_BOUND       (1<<6)
+#define ANCHOR_NOT_WORD_BOUND   (1<<7)
+#define ANCHOR_WORD_BEGIN       (1<<8)
+#define ANCHOR_WORD_END         (1<<9)
+#define ANCHOR_PREC_READ        (1<<10)
+#define ANCHOR_PREC_READ_NOT    (1<<11)
+#define ANCHOR_LOOK_BEHIND      (1<<12)
+#define ANCHOR_LOOK_BEHIND_NOT  (1<<13)
+
+#define ANCHOR_ANYCHAR_STAR     (1<<14)   /* ".*" optimize info */
+#define ANCHOR_ANYCHAR_STAR_ML  (1<<15)   /* ".*" optimize info (multi-line) */
+
+/* operation code */
+enum OpCode {
+  OP_FINISH = 0,        /* matching process terminator (no more alternative) */
+  OP_END    = 1,        /* pattern code terminator (success end) */
+
+  OP_EXACT1 = 2,        /* single byte, N = 1 */
+  OP_EXACT2,            /* single byte, N = 2 */
+  OP_EXACT3,            /* single byte, N = 3 */
+  OP_EXACT4,            /* single byte, N = 4 */
+  OP_EXACT5,            /* single byte, N = 5 */
+  OP_EXACTN,            /* single byte */
+  OP_EXACTMB2N1,        /* mb-length = 2 N = 1 */
+  OP_EXACTMB2N2,        /* mb-length = 2 N = 2 */
+  OP_EXACTMB2N3,        /* mb-length = 2 N = 3 */
+  OP_EXACTMB2N,         /* mb-length = 2 */
+  OP_EXACTMB3N,         /* mb-length = 3 */
+  OP_EXACTMBN,          /* other length */
+
+  OP_EXACT1_IC,         /* single byte, N = 1, ignore case */
+  OP_EXACTN_IC,         /* single byte,        ignore case */
+
+  OP_CCLASS,
+  OP_CCLASS_MB,
+  OP_CCLASS_MIX,
+  OP_CCLASS_NOT,
+  OP_CCLASS_MB_NOT,
+  OP_CCLASS_MIX_NOT,
+  OP_CCLASS_NODE,       /* pointer to CClassNode node */
+
+  OP_ANYCHAR,                 /* "."  */
+  OP_ANYCHAR_ML,              /* "."  multi-line */
+  OP_ANYCHAR_STAR,            /* ".*" */
+  OP_ANYCHAR_ML_STAR,         /* ".*" multi-line */
+  OP_ANYCHAR_STAR_PEEK_NEXT,
+  OP_ANYCHAR_ML_STAR_PEEK_NEXT,
+
+  OP_WORD,
+  OP_NOT_WORD,
+  OP_WORD_BOUND,
+  OP_NOT_WORD_BOUND,
+  OP_WORD_BEGIN,
+  OP_WORD_END,
+
+  OP_BEGIN_BUF,
+  OP_END_BUF,
+  OP_BEGIN_LINE,
+  OP_END_LINE,
+  OP_SEMI_END_BUF,
+  OP_BEGIN_POSITION,
+
+  OP_BACKREF1,
+  OP_BACKREF2,
+  OP_BACKREFN,
+  OP_BACKREFN_IC,
+  OP_BACKREF_MULTI,
+  OP_BACKREF_MULTI_IC,
+  OP_BACKREF_WITH_LEVEL,    /* \k<xxx+n>, \k<xxx-n> */
+
+  OP_MEMORY_START,
+  OP_MEMORY_START_PUSH,   /* push back-tracker to stack */
+  OP_MEMORY_END_PUSH,     /* push back-tracker to stack */
+  OP_MEMORY_END_PUSH_REC, /* push back-tracker to stack */
+  OP_MEMORY_END,
+  OP_MEMORY_END_REC,      /* push marker to stack */
+
+  OP_FAIL,               /* pop stack and move */
+  OP_JUMP,
+  OP_PUSH,
+  OP_POP,
+  OP_PUSH_OR_JUMP_EXACT1,  /* if match exact then push, else jump. */
+  OP_PUSH_IF_PEEK_NEXT,    /* if match exact then push, else none. */
+  OP_REPEAT,               /* {n,m} */
+  OP_REPEAT_NG,            /* {n,m}? (non greedy) */
+  OP_REPEAT_INC,
+  OP_REPEAT_INC_NG,        /* non greedy */
+  OP_REPEAT_INC_SG,        /* search and get in stack */
+  OP_REPEAT_INC_NG_SG,     /* search and get in stack (non greedy) */
+  OP_NULL_CHECK_START,     /* null loop checker start */
+  OP_NULL_CHECK_END,       /* null loop checker end   */
+  OP_NULL_CHECK_END_MEMST, /* null loop checker end (with capture status) */
+  OP_NULL_CHECK_END_MEMST_PUSH, /* with capture status and push check-end */
+
+  OP_PUSH_POS,             /* (?=...)  start */
+  OP_POP_POS,              /* (?=...)  end   */
+  OP_PUSH_POS_NOT,         /* (?!...)  start */
+  OP_FAIL_POS,             /* (?!...)  end   */
+  OP_PUSH_STOP_BT,         /* (?>...)  start */
+  OP_POP_STOP_BT,          /* (?>...)  end   */
+  OP_LOOK_BEHIND,          /* (?<=...) start (no needs end opcode) */
+  OP_PUSH_LOOK_BEHIND_NOT, /* (?<!...) start */
+  OP_FAIL_LOOK_BEHIND_NOT, /* (?<!...) end   */
+
+  OP_CALL,                 /* \g<name> */
+  OP_RETURN,
+
+  OP_STATE_CHECK_PUSH,         /* combination explosion check and push */
+  OP_STATE_CHECK_PUSH_OR_JUMP, /* check ok -> push, else jump  */
+  OP_STATE_CHECK,              /* check only */
+  OP_STATE_CHECK_ANYCHAR_STAR,
+  OP_STATE_CHECK_ANYCHAR_ML_STAR,
+
+  /* no need: IS_DYNAMIC_OPTION() == 0 */
+  OP_SET_OPTION_PUSH,    /* set option and push recover option */
+  OP_SET_OPTION          /* set option */
+};
+
+typedef int RelAddrType;
+typedef int AbsAddrType;
+typedef int LengthType;
+typedef int RepeatNumType;
+typedef short int MemNumType;
+typedef short int StateCheckNumType;
+typedef void* PointerType;
+
+#define SIZE_OPCODE           1
+#define SIZE_RELADDR          sizeof(RelAddrType)
+#define SIZE_ABSADDR          sizeof(AbsAddrType)
+#define SIZE_LENGTH           sizeof(LengthType)
+#define SIZE_MEMNUM           sizeof(MemNumType)
+#define SIZE_STATE_CHECK_NUM  sizeof(StateCheckNumType)
+#define SIZE_REPEATNUM        sizeof(RepeatNumType)
+#define SIZE_OPTION           sizeof(OnigOptionType)
+#define SIZE_CODE_POINT       sizeof(OnigCodePoint)
+#define SIZE_POINTER          sizeof(PointerType)
+
+
+#define GET_RELADDR_INC(addr,p)    PLATFORM_GET_INC(addr,   p, RelAddrType)
+#define GET_ABSADDR_INC(addr,p)    PLATFORM_GET_INC(addr,   p, AbsAddrType)
+#define GET_LENGTH_INC(len,p)      PLATFORM_GET_INC(len,    p, LengthType)
+#define GET_MEMNUM_INC(num,p)      PLATFORM_GET_INC(num,    p, MemNumType)
+#define GET_REPEATNUM_INC(num,p)   PLATFORM_GET_INC(num,    p, RepeatNumType)
+#define GET_OPTION_INC(option,p)   PLATFORM_GET_INC(option, p, OnigOptionType)
+#define GET_POINTER_INC(ptr,p)     PLATFORM_GET_INC(ptr,    p, PointerType)
+#define GET_STATE_CHECK_NUM_INC(num,p)  PLATFORM_GET_INC(num, p, StateCheckNumType)
+
+/* code point's address must be aligned address. */
+#define GET_CODE_POINT(code,p)   code = *((OnigCodePoint* )(p))
+#define GET_BYTE_INC(byte,p) do{\
+  byte = *(p);\
+  (p)++;\
+} while(0)
+
+
+/* op-code + arg size */
+#define SIZE_OP_ANYCHAR_STAR            SIZE_OPCODE
+#define SIZE_OP_ANYCHAR_STAR_PEEK_NEXT (SIZE_OPCODE + 1)
+#define SIZE_OP_JUMP                   (SIZE_OPCODE + SIZE_RELADDR)
+#define SIZE_OP_PUSH                   (SIZE_OPCODE + SIZE_RELADDR)
+#define SIZE_OP_POP                     SIZE_OPCODE
+#define SIZE_OP_PUSH_OR_JUMP_EXACT1    (SIZE_OPCODE + SIZE_RELADDR + 1)
+#define SIZE_OP_PUSH_IF_PEEK_NEXT      (SIZE_OPCODE + SIZE_RELADDR + 1)
+#define SIZE_OP_REPEAT_INC             (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_REPEAT_INC_NG          (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_PUSH_POS                SIZE_OPCODE
+#define SIZE_OP_PUSH_POS_NOT           (SIZE_OPCODE + SIZE_RELADDR)
+#define SIZE_OP_POP_POS                 SIZE_OPCODE
+#define SIZE_OP_FAIL_POS                SIZE_OPCODE
+#define SIZE_OP_SET_OPTION             (SIZE_OPCODE + SIZE_OPTION)
+#define SIZE_OP_SET_OPTION_PUSH        (SIZE_OPCODE + SIZE_OPTION)
+#define SIZE_OP_FAIL                    SIZE_OPCODE
+#define SIZE_OP_MEMORY_START           (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_MEMORY_START_PUSH      (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_MEMORY_END_PUSH        (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_MEMORY_END_PUSH_REC    (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_MEMORY_END             (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_MEMORY_END_REC         (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_PUSH_STOP_BT            SIZE_OPCODE
+#define SIZE_OP_POP_STOP_BT             SIZE_OPCODE
+#define SIZE_OP_NULL_CHECK_START       (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_NULL_CHECK_END         (SIZE_OPCODE + SIZE_MEMNUM)
+#define SIZE_OP_LOOK_BEHIND            (SIZE_OPCODE + SIZE_LENGTH)
+#define SIZE_OP_PUSH_LOOK_BEHIND_NOT   (SIZE_OPCODE + SIZE_RELADDR + SIZE_LENGTH)
+#define SIZE_OP_FAIL_LOOK_BEHIND_NOT    SIZE_OPCODE
+#define SIZE_OP_CALL                   (SIZE_OPCODE + SIZE_ABSADDR)
+#define SIZE_OP_RETURN                  SIZE_OPCODE
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+#define SIZE_OP_STATE_CHECK            (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
+#define SIZE_OP_STATE_CHECK_PUSH       (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
+#define SIZE_OP_STATE_CHECK_PUSH_OR_JUMP (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
+#define SIZE_OP_STATE_CHECK_ANYCHAR_STAR (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
+#endif
+
+#define MC_ESC(syn)               (syn)->meta_char_table.esc
+#define MC_ANYCHAR(syn)           (syn)->meta_char_table.anychar
+#define MC_ANYTIME(syn)           (syn)->meta_char_table.anytime
+#define MC_ZERO_OR_ONE_TIME(syn)  (syn)->meta_char_table.zero_or_one_time
+#define MC_ONE_OR_MORE_TIME(syn)  (syn)->meta_char_table.one_or_more_time
+#define MC_ANYCHAR_ANYTIME(syn)   (syn)->meta_char_table.anychar_anytime
+
+#define IS_MC_ESC_CODE(code, syn) \
+  ((code) == MC_ESC(syn) && \
+   !IS_SYNTAX_OP2((syn), ONIG_SYN_OP2_INEFFECTIVE_ESCAPE))
+
+
+#define SYN_POSIX_COMMON_OP \
+ ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_POSIX_BRACKET | \
+   ONIG_SYN_OP_DECIMAL_BACKREF | \
+   ONIG_SYN_OP_BRACKET_CC | ONIG_SYN_OP_ASTERISK_ZERO_INF | \
+   ONIG_SYN_OP_LINE_ANCHOR | \
+   ONIG_SYN_OP_ESC_CONTROL_CHARS )
+
+#define SYN_GNU_REGEX_OP \
+  ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC | \
+    ONIG_SYN_OP_POSIX_BRACKET | ONIG_SYN_OP_DECIMAL_BACKREF | \
+    ONIG_SYN_OP_BRACE_INTERVAL | ONIG_SYN_OP_LPAREN_SUBEXP | \
+    ONIG_SYN_OP_VBAR_ALT | \
+    ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF | \
+    ONIG_SYN_OP_QMARK_ZERO_ONE | \
+    ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR | ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR | \
+    ONIG_SYN_OP_ESC_W_WORD | \
+    ONIG_SYN_OP_ESC_B_WORD_BOUND | ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | \
+    ONIG_SYN_OP_ESC_S_WHITE_SPACE | ONIG_SYN_OP_ESC_D_DIGIT | \
+    ONIG_SYN_OP_LINE_ANCHOR )
+
+#define SYN_GNU_REGEX_BV \
+  ( ONIG_SYN_CONTEXT_INDEP_ANCHORS | ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS | \
+    ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS | ONIG_SYN_ALLOW_INVALID_INTERVAL | \
+    ONIG_SYN_BACKSLASH_ESCAPE_IN_CC | ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC )
+
+
+#define NCCLASS_FLAGS(cc)           ((cc)->flags)
+#define NCCLASS_FLAG_SET(cc,flag)    (NCCLASS_FLAGS(cc) |= (flag))
+#define NCCLASS_FLAG_CLEAR(cc,flag)  (NCCLASS_FLAGS(cc) &= ~(flag))
+#define IS_NCCLASS_FLAG_ON(cc,flag) ((NCCLASS_FLAGS(cc) & (flag)) != 0)
+
+/* cclass node */
+#define FLAG_NCCLASS_NOT           (1<<0)
+#define FLAG_NCCLASS_SHARE         (1<<1)
+
+#define NCCLASS_SET_NOT(nd)     NCCLASS_FLAG_SET(nd, FLAG_NCCLASS_NOT)
+#define NCCLASS_SET_SHARE(nd)   NCCLASS_FLAG_SET(nd, FLAG_NCCLASS_SHARE)
+#define NCCLASS_CLEAR_NOT(nd)   NCCLASS_FLAG_CLEAR(nd, FLAG_NCCLASS_NOT)
+#define IS_NCCLASS_NOT(nd)      IS_NCCLASS_FLAG_ON(nd, FLAG_NCCLASS_NOT)
+#define IS_NCCLASS_SHARE(nd)    IS_NCCLASS_FLAG_ON(nd, FLAG_NCCLASS_SHARE)
+
+typedef struct {
+  int type;
+  /* struct _Node* next; */
+  /* unsigned int flags; */
+} NodeBase;
+
+typedef struct {
+  NodeBase base;
+  unsigned int flags;
+  BitSet bs;
+  BBuf*  mbuf;   /* multi-byte info or NULL */
+} CClassNode;
+
+typedef long OnigStackIndex;
+
+typedef struct _OnigStackType {
+  unsigned int type;
+  union {
+    struct {
+      UChar *pcode;      /* byte code position */
+      UChar *pstr;       /* string position */
+      UChar *pstr_prev;  /* previous char position of pstr */
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+      unsigned int state_check;
+#endif
+    } state;
+    struct {
+      int   count;       /* for OP_REPEAT_INC, OP_REPEAT_INC_NG */
+      UChar *pcode;      /* byte code position (head of repeated target) */
+      int   num;         /* repeat id */
+    } repeat;
+    struct {
+      OnigStackIndex si;     /* index of stack */
+    } repeat_inc;
+    struct {
+      int num;           /* memory num */
+      UChar *pstr;       /* start/end position */
+      /* Following information is setted, if this stack type is MEM-START */
+      OnigStackIndex start;  /* prev. info (for backtrack  "(...)*" ) */
+      OnigStackIndex end;    /* prev. info (for backtrack  "(...)*" ) */
+    } mem;
+    struct {
+      int num;           /* null check id */
+      UChar *pstr;       /* start position */
+    } null_check;
+#ifdef USE_SUBEXP_CALL
+    struct {
+      UChar *ret_addr;   /* byte code position */
+      int    num;        /* null check id */
+      UChar *pstr;       /* string position */
+    } call_frame;
+#endif
+  } u;
+} OnigStackType;
+
+typedef struct {
+  void* stack_p;
+  int   stack_n;
+  OnigOptionType options;
+  OnigRegion*    region;
+  const UChar* start;   /* search start position (for \G: BEGIN_POSITION) */
+#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
+  int    best_len;      /* for ONIG_OPTION_FIND_LONGEST */
+  UChar* best_s;
+#endif
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  void* state_check_buff;
+  int   state_check_buff_size;
+#endif
+} OnigMatchArg;
+
+
+#define IS_CODE_SB_WORD(enc,code) \
+  (ONIGENC_IS_CODE_ASCII(code) && ONIGENC_IS_CODE_WORD(enc,code))
+
+typedef struct OnigEndCallListItem {
+  struct OnigEndCallListItem* next;
+  void (*func)(void);
+} OnigEndCallListItemType;
+
+extern void onig_add_end_call(void (*func)(void));
+
+
+#ifdef ONIG_DEBUG
+
+typedef struct {
+  short int opcode;
+  char*     name;
+  short int arg_type;
+} OnigOpInfoType;
+
+extern OnigOpInfoType OnigOpInfo[];
+
+
+extern void onig_print_compiled_byte_code P_((FILE* f, UChar* bp, UChar** nextp, OnigEncoding enc));
+
+#ifdef ONIG_DEBUG_STATISTICS
+extern void onig_statistics_init P_((void));
+extern void onig_print_statistics P_((FILE* f));
+#endif
+#endif
+
+extern UChar* onig_error_code_to_format P_((int code));
+extern void  onig_snprintf_with_pattern PV_((UChar buf[], int bufsize, OnigEncoding enc, UChar* pat, UChar* pat_end, const UChar *fmt, ...));
+extern int  onig_bbuf_init P_((BBuf* buf, int size));
+extern int  onig_compile P_((regex_t* reg, const UChar* pattern, const UChar* pattern_end, OnigErrorInfo* einfo));
+extern void onig_chain_reduce P_((regex_t* reg));
+extern void onig_chain_link_add P_((regex_t* to, regex_t* add));
+extern void onig_transfer P_((regex_t* to, regex_t* from));
+extern int  onig_is_code_in_cc P_((OnigEncoding enc, OnigCodePoint code, CClassNode* cc));
+extern int  onig_is_code_in_cc_len P_((int enclen, OnigCodePoint code, CClassNode* cc));
+
+/* strend hash */
+typedef void hash_table_type;
+typedef unsigned long hash_data_type;
+
+extern hash_table_type* onig_st_init_strend_table_with_size P_((int size));
+extern int onig_st_lookup_strend P_((hash_table_type* table, const UChar* str_key, const UChar* end_key, hash_data_type *value));
+extern int onig_st_insert_strend P_((hash_table_type* table, const UChar* str_key, const UChar* end_key, hash_data_type value));
+
+/* encoding property management */
+#define PROPERTY_LIST_ADD_PROP(Name, CR) \
+  r = onigenc_property_list_add_property((UChar* )Name, CR,\
+	      &PropertyNameTable, &PropertyList, &PropertyListNum,\
+	      &PropertyListSize);\
+  if (r != 0) goto end
+
+#define PROPERTY_LIST_INIT_CHECK \
+  if (PropertyInited == 0) {\
+    int r = onigenc_property_list_init(init_property_list);\
+    if (r != 0) return r;\
+  }
+
+extern int onigenc_property_list_add_property P_((UChar* name, const OnigCodePoint* prop, hash_table_type **table, const OnigCodePoint*** plist, int *pnum, int *psize));
+
+typedef int (*ONIGENC_INIT_PROPERTY_LIST_FUNC_TYPE)(void);
+
+extern int onigenc_property_list_init P_((ONIGENC_INIT_PROPERTY_LIST_FUNC_TYPE));
+
+#endif /* REGINT_H */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regparse.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regparse.c
new file mode 100644
index 0000000000..d7e645bf9a
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regparse.c
@@ -0,0 +1,5556 @@
+/**********************************************************************
+  regparse.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regparse.h"
+#include "st.h"
+
+#define WARN_BUFSIZE    256
+
+#define CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS
+
+
+OnigSyntaxType OnigSyntaxRuby = {
+  (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
+     ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 |
+     ONIG_SYN_OP_ESC_X_BRACE_HEX8 | ONIG_SYN_OP_ESC_CONTROL_CHARS |
+     ONIG_SYN_OP_ESC_C_CONTROL )
+   & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
+  , ( ONIG_SYN_OP2_QMARK_GROUP_EFFECT |
+      ONIG_SYN_OP2_OPTION_RUBY |
+      ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP | ONIG_SYN_OP2_ESC_K_NAMED_BACKREF |
+      ONIG_SYN_OP2_ESC_G_SUBEXP_CALL |
+      ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY  |
+      ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
+      ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT |
+      ONIG_SYN_OP2_CCLASS_SET_OP | ONIG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL |
+      ONIG_SYN_OP2_ESC_CAPITAL_M_BAR_META | ONIG_SYN_OP2_ESC_V_VTAB |
+      ONIG_SYN_OP2_ESC_H_XDIGIT )
+  , ( SYN_GNU_REGEX_BV | 
+      ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV |
+      ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND |
+      ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP |
+      ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME |
+      ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY |
+      ONIG_SYN_WARN_CC_OP_NOT_ESCAPED |
+      ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT )
+  , ONIG_OPTION_NONE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType*  OnigDefaultSyntax = ONIG_SYNTAX_RUBY;
+
+extern void onig_null_warn(const char* s ARG_UNUSED) { }
+
+#ifdef DEFAULT_WARN_FUNCTION
+static OnigWarnFunc onig_warn = (OnigWarnFunc )DEFAULT_WARN_FUNCTION;
+#else
+static OnigWarnFunc onig_warn = onig_null_warn;
+#endif
+
+#ifdef DEFAULT_VERB_WARN_FUNCTION
+static OnigWarnFunc onig_verb_warn = (OnigWarnFunc )DEFAULT_VERB_WARN_FUNCTION;
+#else
+static OnigWarnFunc onig_verb_warn = onig_null_warn;
+#endif
+
+extern void onig_set_warn_func(OnigWarnFunc f)
+{
+  onig_warn = f;
+}
+
+extern void onig_set_verb_warn_func(OnigWarnFunc f)
+{
+  onig_verb_warn = f;
+}
+
+static void
+bbuf_free(BBuf* bbuf)
+{
+  if (IS_NOT_NULL(bbuf)) {
+    if (IS_NOT_NULL(bbuf->p)) xfree(bbuf->p);
+    xfree(bbuf);
+  }
+}
+
+static int
+bbuf_clone(BBuf** rto, BBuf* from)
+{
+  int r;
+  BBuf *to;
+
+  *rto = to = (BBuf* )xmalloc(sizeof(BBuf));
+  CHECK_NULL_RETURN_MEMERR(to);
+  r = BBUF_INIT(to, from->alloc);
+  if (r != 0) return r;
+  to->used = from->used;
+  xmemcpy(to->p, from->p, from->used);
+  return 0;
+}
+
+#define BACKREF_REL_TO_ABS(rel_no, env) \
+  ((env)->num_mem + 1 + (rel_no))
+
+#define ONOFF(v,f,negative)    (negative) ? ((v) &= ~(f)) : ((v) |= (f))
+
+#define MBCODE_START_POS(enc) \
+  (OnigCodePoint )(ONIGENC_MBC_MINLEN(enc) > 1 ? 0 : 0x80)
+
+#define SET_ALL_MULTI_BYTE_RANGE(enc, pbuf) \
+  add_code_range_to_buf(pbuf, MBCODE_START_POS(enc), ~((OnigCodePoint )0))
+
+#define ADD_ALL_MULTI_BYTE_RANGE(enc, mbuf) do {\
+  if (! ONIGENC_IS_SINGLEBYTE(enc)) {\
+    r = SET_ALL_MULTI_BYTE_RANGE(enc, &(mbuf));\
+    if (r) return r;\
+  }\
+} while (0)
+
+
+#define BITSET_IS_EMPTY(bs,empty) do {\
+  int i;\
+  empty = 1;\
+  for (i = 0; i < (int )BITSET_SIZE; i++) {\
+    if ((bs)[i] != 0) {\
+      empty = 0; break;\
+    }\
+  }\
+} while (0)
+
+static void
+bitset_set_range(BitSetRef bs, int from, int to)
+{
+  int i;
+  for (i = from; i <= to && i < SINGLE_BYTE_SIZE; i++) {
+    BITSET_SET_BIT(bs, i);
+  }
+}
+
+#if 0
+static void
+bitset_set_all(BitSetRef bs)
+{
+  int i;
+  for (i = 0; i < BITSET_SIZE; i++) { bs[i] = ~((Bits )0); }
+}
+#endif
+
+static void
+bitset_invert(BitSetRef bs)
+{
+  int i;
+  for (i = 0; i < (int )BITSET_SIZE; i++) { bs[i] = ~(bs[i]); }
+}
+
+static void
+bitset_invert_to(BitSetRef from, BitSetRef to)
+{
+  int i;
+  for (i = 0; i < (int )BITSET_SIZE; i++) { to[i] = ~(from[i]); }
+}
+
+static void
+bitset_and(BitSetRef dest, BitSetRef bs)
+{
+  int i;
+  for (i = 0; i < (int )BITSET_SIZE; i++) { dest[i] &= bs[i]; }
+}
+
+static void
+bitset_or(BitSetRef dest, BitSetRef bs)
+{
+  int i;
+  for (i = 0; i < (int )BITSET_SIZE; i++) { dest[i] |= bs[i]; }
+}
+
+static void
+bitset_copy(BitSetRef dest, BitSetRef bs)
+{
+  int i;
+  for (i = 0; i < (int )BITSET_SIZE; i++) { dest[i] = bs[i]; }
+}
+
+extern int
+onig_strncmp(const UChar* s1, const UChar* s2, int n)
+{
+  int x;
+
+  while (n-- > 0) {
+    x = *s2++ - *s1++;
+    if (x) return x;
+  }
+  return 0;
+}
+
+extern void
+onig_strcpy(UChar* dest, const UChar* src, const UChar* end)
+{
+  int len = (int)(end - src);
+  if (len > 0) {
+    xmemcpy(dest, src, len);
+    dest[len] = (UChar )0;
+  }
+}
+
+#ifdef USE_NAMED_GROUP
+static UChar*
+strdup_with_null(OnigEncoding enc, UChar* s, UChar* end)
+{
+  int slen, term_len, i;
+  UChar *r;
+
+  slen = (int)(end - s);
+  term_len = ONIGENC_MBC_MINLEN(enc);
+
+  r = (UChar* )xmalloc(slen + term_len);
+  CHECK_NULL_RETURN(r);
+  xmemcpy(r, s, slen);
+
+  for (i = 0; i < term_len; i++)
+    r[slen + i] = (UChar )0;
+
+  return r;
+}
+#endif
+
+/* scan pattern methods */
+#define PEND_VALUE   0
+
+#define PFETCH_READY  UChar* pfetch_prev
+#define PEND         (p < end ?  0 : 1)
+#define PUNFETCH     p = pfetch_prev
+#define PINC       do { \
+  pfetch_prev = p; \
+  p += ONIGENC_MBC_ENC_LEN(enc, p); \
+} while (0)
+#define PFETCH(c)  do { \
+  c = ONIGENC_MBC_TO_CODE(enc, p, end); \
+  pfetch_prev = p; \
+  p += ONIGENC_MBC_ENC_LEN(enc, p); \
+} while (0)
+
+#define PINC_S     do { \
+  p += ONIGENC_MBC_ENC_LEN(enc, p); \
+} while (0)
+#define PFETCH_S(c) do { \
+  c = ONIGENC_MBC_TO_CODE(enc, p, end); \
+  p += ONIGENC_MBC_ENC_LEN(enc, p); \
+} while (0)
+
+#define PPEEK        (p < end ? ONIGENC_MBC_TO_CODE(enc, p, end) : PEND_VALUE)
+#define PPEEK_IS(c)  (PPEEK == (OnigCodePoint )c)
+
+static UChar*
+strcat_capa(UChar* dest, UChar* dest_end, const UChar* src, const UChar* src_end,
+	      int capa, int oldCapa)
+{
+  UChar* r;
+
+  if (dest)
+    r = (UChar* )xrealloc(dest, capa + 1, oldCapa);
+  else
+    r = (UChar* )xmalloc(capa + 1);
+
+  CHECK_NULL_RETURN(r);
+  onig_strcpy(r + (dest_end - dest), src, src_end);
+  return r;
+}
+
+/* dest on static area */
+static UChar*
+strcat_capa_from_static(UChar* dest, UChar* dest_end,
+			const UChar* src, const UChar* src_end, int capa)
+{
+  UChar* r;
+
+  r = (UChar* )xmalloc(capa + 1);
+  CHECK_NULL_RETURN(r);
+  onig_strcpy(r, dest, dest_end);
+  onig_strcpy(r + (dest_end - dest), src, src_end);
+  return r;
+}
+
+
+#ifdef USE_ST_LIBRARY
+
+typedef struct {
+  UChar* s;
+  UChar* end;
+} st_str_end_key;
+
+static int
+str_end_cmp(st_str_end_key* x, st_str_end_key* y)
+{
+  UChar *p, *q;
+  int c;
+
+  if ((x->end - x->s) != (y->end - y->s))
+    return 1;
+
+  p = x->s;
+  q = y->s;
+  while (p < x->end) {
+    c = (int )*p - (int )*q;
+    if (c != 0) return c;
+
+    p++; q++;
+  }
+
+  return 0;
+}
+
+static int
+str_end_hash(st_str_end_key* x)
+{
+  UChar *p;
+  int val = 0;
+
+  p = x->s;
+  while (p < x->end) {
+    val = val * 997 + (int )*p++;
+  }
+
+  return val + (val >> 5);
+}
+
+extern hash_table_type*
+onig_st_init_strend_table_with_size(int size)
+{
+  static struct st_hash_type hashType = {
+    str_end_cmp,
+    str_end_hash,
+  };
+
+  return (hash_table_type* )
+           onig_st_init_table_with_size(&hashType, size);
+}
+
+extern int
+onig_st_lookup_strend(hash_table_type* table, const UChar* str_key,
+		      const UChar* end_key, hash_data_type *value)
+{
+  st_str_end_key key;
+
+  key.s   = (UChar* )str_key;
+  key.end = (UChar* )end_key;
+
+  return onig_st_lookup(table, (st_data_t )(&key), value);
+}
+
+extern int
+onig_st_insert_strend(hash_table_type* table, const UChar* str_key,
+		      const UChar* end_key, hash_data_type value)
+{
+  st_str_end_key* key;
+  int result;
+
+  key = (st_str_end_key* )xmalloc(sizeof(st_str_end_key));
+  key->s   = (UChar* )str_key;
+  key->end = (UChar* )end_key;
+  result = onig_st_insert(table, (st_data_t )key, value);
+  if (result) {
+    xfree(key);
+  }
+  return result;
+}
+
+#endif /* USE_ST_LIBRARY */
+
+
+#ifdef USE_NAMED_GROUP
+
+#define INIT_NAME_BACKREFS_ALLOC_NUM   8
+
+typedef struct {
+  UChar* name;
+  int    name_len;   /* byte length */
+  int    back_num;   /* number of backrefs */
+  int    back_alloc;
+  int    back_ref1;
+  int*   back_refs;
+} NameEntry;
+
+#ifdef USE_ST_LIBRARY
+
+typedef st_table  NameTable;
+typedef st_data_t HashDataType;   /* 1.6 st.h doesn't define st_data_t type */
+
+#define NAMEBUF_SIZE    24
+#define NAMEBUF_SIZE_1  25
+
+#ifdef ONIG_DEBUG
+static int
+i_print_name_entry(UChar* key, NameEntry* e, void* arg)
+{
+  int i;
+  FILE* fp = (FILE* )arg;
+
+  fprintf(fp, "%s: ", e->name);
+  if (e->back_num == 0)
+    fputs("-", fp);
+  else if (e->back_num == 1)
+    fprintf(fp, "%d", e->back_ref1);
+  else {
+    for (i = 0; i < e->back_num; i++) {
+      if (i > 0) fprintf(fp, ", ");
+      fprintf(fp, "%d", e->back_refs[i]);
+    }
+  }
+  fputs("\n", fp);
+  return ST_CONTINUE;
+}
+
+extern int
+onig_print_names(FILE* fp, regex_t* reg)
+{
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t)) {
+    fprintf(fp, "name table\n");
+    onig_st_foreach(t, i_print_name_entry, (HashDataType )fp);
+    fputs("\n", fp);
+  }
+  return 0;
+}
+#endif /* ONIG_DEBUG */
+
+static int
+i_free_name_entry(UChar* key, NameEntry* e, void* arg ARG_UNUSED)
+{
+  xfree(e->name);
+  if (IS_NOT_NULL(e->back_refs)) xfree(e->back_refs);
+  xfree(key);
+  xfree(e);
+  return ST_DELETE;
+}
+
+static int
+names_clear(regex_t* reg)
+{
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t)) {
+    onig_st_foreach(t, i_free_name_entry, 0);
+  }
+  return 0;
+}
+
+extern int
+onig_names_free(regex_t* reg)
+{
+  int r;
+  NameTable* t;
+
+  r = names_clear(reg);
+  if (r) return r;
+
+  t = (NameTable* )reg->name_table;
+  if (IS_NOT_NULL(t)) onig_st_free_table(t);
+  reg->name_table = (void* )NULL;
+  return 0;
+}
+
+static NameEntry*
+name_find(regex_t* reg, const UChar* name, const UChar* name_end)
+{
+  NameEntry* e;
+  NameTable* t = (NameTable* )reg->name_table;
+
+  e = (NameEntry* )NULL;
+  if (IS_NOT_NULL(t)) {
+    onig_st_lookup_strend(t, name, name_end, (HashDataType* )((void* )(&e)));
+  }
+  return e;
+}
+
+typedef struct {
+  int (*func)(const UChar*, const UChar*,int,int*,regex_t*,void*);
+  regex_t* reg;
+  void* arg;
+  int ret;
+  OnigEncoding enc;
+} INamesArg;
+
+static int
+i_names(UChar* key ARG_UNUSED, NameEntry* e, INamesArg* arg)
+{
+  int r = (*(arg->func))(e->name,
+                         e->name + e->name_len,
+                         e->back_num,
+			 (e->back_num > 1 ? e->back_refs : &(e->back_ref1)),
+			 arg->reg, arg->arg);
+  if (r != 0) {
+    arg->ret = r;
+    return ST_STOP;
+  }
+  return ST_CONTINUE;
+}
+
+extern int
+onig_foreach_name(regex_t* reg,
+  int (*func)(const UChar*, const UChar*,int,int*,regex_t*,void*), void* arg)
+{
+  INamesArg narg;
+  NameTable* t = (NameTable* )reg->name_table;
+
+  narg.ret = 0;
+  if (IS_NOT_NULL(t)) {
+    narg.func = func;
+    narg.reg  = reg;
+    narg.arg  = arg;
+    narg.enc  = reg->enc; /* should be pattern encoding. */
+    onig_st_foreach(t, i_names, (HashDataType )&narg);
+  }
+  return narg.ret;
+}
+
+static int
+i_renumber_name(UChar* key ARG_UNUSED, NameEntry* e, GroupNumRemap* map)
+{
+  int i;
+
+  if (e->back_num > 1) {
+    for (i = 0; i < e->back_num; i++) {
+      e->back_refs[i] = map[e->back_refs[i]].new_val;
+    }
+  }
+  else if (e->back_num == 1) {
+    e->back_ref1 = map[e->back_ref1].new_val;
+  }
+
+  return ST_CONTINUE;
+}
+
+extern int
+onig_renumber_name_table(regex_t* reg, GroupNumRemap* map)
+{
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t)) {
+    onig_st_foreach(t, i_renumber_name, (HashDataType )map);
+  }
+  return 0;
+}
+
+
+extern int
+onig_number_of_names(regex_t* reg)
+{
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t))
+    return t->num_entries;
+  else
+    return 0;
+}
+
+#else  /* USE_ST_LIBRARY */
+
+#define INIT_NAMES_ALLOC_NUM    8
+
+typedef struct {
+  NameEntry* e;
+  int        num;
+  int        alloc;
+} NameTable;
+
+#ifdef ONIG_DEBUG
+extern int
+onig_print_names(FILE* fp, regex_t* reg)
+{
+  int i, j;
+  NameEntry* e;
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t) && t->num > 0) {
+    fprintf(fp, "name table\n");
+    for (i = 0; i < t->num; i++) {
+      e = &(t->e[i]);
+      fprintf(fp, "%s: ", e->name);
+      if (e->back_num == 0) {
+	fputs("-", fp);
+      }
+      else if (e->back_num == 1) {
+	fprintf(fp, "%d", e->back_ref1);
+      }
+      else {
+	for (j = 0; j < e->back_num; j++) {
+	  if (j > 0) fprintf(fp, ", ");
+	  fprintf(fp, "%d", e->back_refs[j]);
+	}
+      }
+      fputs("\n", fp);
+    }
+    fputs("\n", fp);
+  }
+  return 0;
+}
+#endif
+
+static int
+names_clear(regex_t* reg)
+{
+  int i;
+  NameEntry* e;
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t)) {
+    for (i = 0; i < t->num; i++) {
+      e = &(t->e[i]);
+      if (IS_NOT_NULL(e->name)) {
+	xfree(e->name);
+	e->name       = NULL;
+	e->name_len   = 0;
+	e->back_num   = 0;
+	e->back_alloc = 0;
+	if (IS_NOT_NULL(e->back_refs)) xfree(e->back_refs);
+	e->back_refs = (int* )NULL;
+      }
+    }
+    if (IS_NOT_NULL(t->e)) {
+      xfree(t->e);
+      t->e = NULL;
+    }
+    t->num = 0;
+  }
+  return 0;
+}
+
+extern int
+onig_names_free(regex_t* reg)
+{
+  int r;
+  NameTable* t;
+
+  r = names_clear(reg);
+  if (r) return r;
+
+  t = (NameTable* )reg->name_table;
+  if (IS_NOT_NULL(t)) xfree(t);
+  reg->name_table = NULL;
+  return 0;
+}
+
+static NameEntry*
+name_find(regex_t* reg, UChar* name, UChar* name_end)
+{
+  int i, len;
+  NameEntry* e;
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t)) {
+    len = name_end - name;
+    for (i = 0; i < t->num; i++) {
+      e = &(t->e[i]);
+      if (len == e->name_len && onig_strncmp(name, e->name, len) == 0)
+	return e;
+    }
+  }
+  return (NameEntry* )NULL;
+}
+
+extern int
+onig_foreach_name(regex_t* reg,
+  int (*func)(const UChar*, const UChar*,int,int*,regex_t*,void*), void* arg)
+{
+  int i, r;
+  NameEntry* e;
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t)) {
+    for (i = 0; i < t->num; i++) {
+      e = &(t->e[i]);
+      r = (*func)(e->name, e->name + e->name_len, e->back_num,
+		  (e->back_num > 1 ? e->back_refs : &(e->back_ref1)),
+		  reg, arg);
+      if (r != 0) return r;
+    }
+  }
+  return 0;
+}
+
+extern int
+onig_number_of_names(regex_t* reg)
+{
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (IS_NOT_NULL(t))
+    return t->num;
+  else
+    return 0;
+}
+
+#endif /* else USE_ST_LIBRARY */
+
+static int
+name_add(regex_t* reg, UChar* name, UChar* name_end, int backref, ScanEnv* env)
+{
+  int alloc;
+  NameEntry* e;
+  NameTable* t = (NameTable* )reg->name_table;
+
+  if (name_end - name <= 0)
+    return ONIGERR_EMPTY_GROUP_NAME;
+
+  e = name_find(reg, name, name_end);
+  if (IS_NULL(e)) {
+#ifdef USE_ST_LIBRARY
+    if (IS_NULL(t)) {
+      t = onig_st_init_strend_table_with_size(5);
+      reg->name_table = (void* )t;
+    }
+    e = (NameEntry* )xmalloc(sizeof(NameEntry));
+    CHECK_NULL_RETURN_MEMERR(e);
+
+    e->name = strdup_with_null(reg->enc, name, name_end);
+    if (IS_NULL(e->name)) {
+      xfree(e);  return ONIGERR_MEMORY;
+    }
+    onig_st_insert_strend(t, e->name, (e->name + (name_end - name)),
+                          (HashDataType )e);
+
+    e->name_len   = (int)(name_end - name);
+    e->back_num   = 0;
+    e->back_alloc = 0;
+    e->back_refs  = (int* )NULL;
+
+#else
+
+    if (IS_NULL(t)) {
+      alloc = INIT_NAMES_ALLOC_NUM;
+      t = (NameTable* )xmalloc(sizeof(NameTable));
+      CHECK_NULL_RETURN_MEMERR(t);
+      t->e     = NULL;
+      t->alloc = 0;
+      t->num   = 0;
+
+      t->e = (NameEntry* )xmalloc(sizeof(NameEntry) * alloc);
+      if (IS_NULL(t->e)) {
+	xfree(t);
+	return ONIGERR_MEMORY;
+      }
+      t->alloc = alloc;
+      reg->name_table = t;
+      goto clear;
+    }
+    else if (t->num == t->alloc) {
+      int i;
+
+      alloc = t->alloc * 2;
+      t->e = (NameEntry* )xrealloc(t->e, sizeof(NameEntry) * alloc);
+      CHECK_NULL_RETURN_MEMERR(t->e);
+      t->alloc = alloc;
+
+    clear:
+      for (i = t->num; i < t->alloc; i++) {
+	t->e[i].name       = NULL;
+	t->e[i].name_len   = 0;
+	t->e[i].back_num   = 0;
+	t->e[i].back_alloc = 0;
+	t->e[i].back_refs  = (int* )NULL;
+      }
+    }
+    e = &(t->e[t->num]);
+    t->num++;
+    e->name = strdup_with_null(reg->enc, name, name_end);
+    if (IS_NULL(e->name)) return ONIGERR_MEMORY;
+    e->name_len = name_end - name;
+#endif
+  }
+
+  if (e->back_num >= 1 &&
+      ! IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME)) {
+    onig_scan_env_set_error_string(env, ONIGERR_MULTIPLEX_DEFINED_NAME,
+				    name, name_end);
+    return ONIGERR_MULTIPLEX_DEFINED_NAME;
+  }
+
+  e->back_num++;
+  if (e->back_num == 1) {
+    e->back_ref1 = backref;
+  }
+  else {
+    if (e->back_num == 2) {
+      alloc = INIT_NAME_BACKREFS_ALLOC_NUM;
+      e->back_refs = (int* )xmalloc(sizeof(int) * alloc);
+      CHECK_NULL_RETURN_MEMERR(e->back_refs);
+      e->back_alloc = alloc;
+      e->back_refs[0] = e->back_ref1;
+      e->back_refs[1] = backref;
+    }
+    else {
+      if (e->back_num > e->back_alloc) {
+	alloc = e->back_alloc * 2;
+	e->back_refs = (int* )xrealloc(e->back_refs, sizeof(int) * alloc, sizeof(int) * e->back_alloc);
+	CHECK_NULL_RETURN_MEMERR(e->back_refs);
+	e->back_alloc = alloc;
+      }
+      e->back_refs[e->back_num - 1] = backref;
+    }
+  }
+
+  return 0;
+}
+
+extern int
+onig_name_to_group_numbers(regex_t* reg, const UChar* name,
+			   const UChar* name_end, int** nums)
+{
+  NameEntry* e = name_find(reg, name, name_end);
+
+  if (IS_NULL(e)) return ONIGERR_UNDEFINED_NAME_REFERENCE;
+
+  switch (e->back_num) {
+  case 0:
+    break;
+  case 1:
+    *nums = &(e->back_ref1);
+    break;
+  default:
+    *nums = e->back_refs;
+    break;
+  }
+  return e->back_num;
+}
+
+extern int
+onig_name_to_backref_number(regex_t* reg, const UChar* name,
+			    const UChar* name_end, OnigRegion *region)
+{
+  int i, n, *nums;
+
+  n = onig_name_to_group_numbers(reg, name, name_end, &nums);
+  if (n < 0)
+    return n;
+  else if (n == 0)
+    return ONIGERR_PARSER_BUG;
+  else if (n == 1)
+    return nums[0];
+  else {
+    if (IS_NOT_NULL(region)) {
+      for (i = n - 1; i >= 0; i--) {
+	if (region->beg[nums[i]] != ONIG_REGION_NOTPOS)
+	  return nums[i];
+      }
+    }
+    return nums[n - 1];
+  }
+}
+
+#else /* USE_NAMED_GROUP */
+
+extern int
+onig_name_to_group_numbers(regex_t* reg, const UChar* name,
+			   const UChar* name_end, int** nums)
+{
+  return ONIG_NO_SUPPORT_CONFIG;
+}
+
+extern int
+onig_name_to_backref_number(regex_t* reg, const UChar* name,
+			    const UChar* name_end, OnigRegion* region)
+{
+  return ONIG_NO_SUPPORT_CONFIG;
+}
+
+extern int
+onig_foreach_name(regex_t* reg,
+  int (*func)(const UChar*, const UChar*,int,int*,regex_t*,void*), void* arg)
+{
+  return ONIG_NO_SUPPORT_CONFIG;
+}
+
+extern int
+onig_number_of_names(regex_t* reg)
+{
+  return 0;
+}
+#endif /* else USE_NAMED_GROUP */
+
+extern int
+onig_noname_group_capture_is_active(regex_t* reg)
+{
+  if (ONIG_IS_OPTION_ON(reg->options, ONIG_OPTION_DONT_CAPTURE_GROUP))
+    return 0;
+
+#ifdef USE_NAMED_GROUP
+  if (onig_number_of_names(reg) > 0 &&
+      IS_SYNTAX_BV(reg->syntax, ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP) &&
+      !ONIG_IS_OPTION_ON(reg->options, ONIG_OPTION_CAPTURE_GROUP)) {
+    return 0;
+  }
+#endif
+
+  return 1;
+}
+
+
+#define INIT_SCANENV_MEMNODES_ALLOC_SIZE   16
+
+static void
+scan_env_clear(ScanEnv* env)
+{
+  int i;
+
+  BIT_STATUS_CLEAR(env->capture_history);
+  BIT_STATUS_CLEAR(env->bt_mem_start);
+  BIT_STATUS_CLEAR(env->bt_mem_end);
+  BIT_STATUS_CLEAR(env->backrefed_mem);
+  env->error      = (UChar* )NULL;
+  env->error_end  = (UChar* )NULL;
+  env->num_call   = 0;
+  env->num_mem    = 0;
+#ifdef USE_NAMED_GROUP
+  env->num_named  = 0;
+#endif
+  env->mem_alloc         = 0;
+  env->mem_nodes_dynamic = (Node** )NULL;
+
+  for (i = 0; i < SCANENV_MEMNODES_SIZE; i++)
+    env->mem_nodes_static[i] = NULL_NODE;
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  env->num_comb_exp_check  = 0;
+  env->comb_exp_max_regnum = 0;
+  env->curr_max_regnum     = 0;
+  env->has_recursion       = 0;
+#endif
+}
+
+static int
+scan_env_add_mem_entry(ScanEnv* env)
+{
+  int i, need, alloc;
+  Node** p;
+
+  need = env->num_mem + 1;
+  if (need >= SCANENV_MEMNODES_SIZE) {
+    if (env->mem_alloc <= need) {
+      if (IS_NULL(env->mem_nodes_dynamic)) {
+	alloc = INIT_SCANENV_MEMNODES_ALLOC_SIZE;
+	p = (Node** )xmalloc(sizeof(Node*) * alloc);
+	xmemcpy(p, env->mem_nodes_static,
+		sizeof(Node*) * SCANENV_MEMNODES_SIZE);
+      }
+      else {
+	alloc = env->mem_alloc * 2;
+	p = (Node** )xrealloc(env->mem_nodes_dynamic, sizeof(Node*) * alloc, sizeof(Node*) * env->mem_alloc);
+      }
+      CHECK_NULL_RETURN_MEMERR(p);
+
+      for (i = env->num_mem + 1; i < alloc; i++)
+	p[i] = NULL_NODE;
+
+      env->mem_nodes_dynamic = p;
+      env->mem_alloc = alloc;
+    }
+  }
+
+  env->num_mem++;
+  return env->num_mem;
+}
+
+static int
+scan_env_set_mem_node(ScanEnv* env, int num, Node* node)
+{
+  if (env->num_mem >= num)
+    SCANENV_MEM_NODES(env)[num] = node;
+  else
+    return ONIGERR_PARSER_BUG;
+  return 0;
+}
+
+
+#ifdef USE_PARSE_TREE_NODE_RECYCLE
+typedef struct _FreeNode {
+  struct _FreeNode* next;
+} FreeNode;
+
+static FreeNode* FreeNodeList = (FreeNode* )NULL;
+#endif
+
+extern void
+onig_node_free(Node* node)
+{
+ start:
+  if (IS_NULL(node)) return ;
+
+  switch (NTYPE(node)) {
+  case NT_STR:
+    if (NSTR(node)->capa != 0 &&
+	IS_NOT_NULL(NSTR(node)->s) && NSTR(node)->s != NSTR(node)->buf) {
+      xfree(NSTR(node)->s);
+    }
+    break;
+
+  case NT_LIST:
+  case NT_ALT:
+    onig_node_free(NCAR(node));
+    {
+      Node* next_node = NCDR(node);
+
+#ifdef USE_PARSE_TREE_NODE_RECYCLE
+      {
+	FreeNode* n = (FreeNode* )node;
+
+        THREAD_ATOMIC_START;
+	n->next = FreeNodeList;
+	FreeNodeList = n;
+        THREAD_ATOMIC_END;
+      }
+#else
+      xfree(node);
+#endif
+      node = next_node;
+      goto start;
+    }
+    break;
+
+  case NT_CCLASS:
+    {
+      CClassNode* cc = NCCLASS(node);
+
+      if (IS_NCCLASS_SHARE(cc)) return ;
+      if (cc->mbuf)
+        bbuf_free(cc->mbuf);
+    }
+    break;
+
+  case NT_QTFR:
+    if (NQTFR(node)->target)
+      onig_node_free(NQTFR(node)->target);
+    break;
+
+  case NT_ENCLOSE:
+    if (NENCLOSE(node)->target)
+      onig_node_free(NENCLOSE(node)->target);
+    break;
+
+  case NT_BREF:
+    if (IS_NOT_NULL(NBREF(node)->back_dynamic))
+      xfree(NBREF(node)->back_dynamic);
+    break;
+
+  case NT_ANCHOR:
+    if (NANCHOR(node)->target)
+      onig_node_free(NANCHOR(node)->target);
+    break;
+  }
+
+#ifdef USE_PARSE_TREE_NODE_RECYCLE
+  {
+    FreeNode* n = (FreeNode* )node;
+
+    THREAD_ATOMIC_START;
+    n->next = FreeNodeList;
+    FreeNodeList = n;
+    THREAD_ATOMIC_END;
+  }
+#else
+  xfree(node);
+#endif
+}
+
+#ifdef USE_PARSE_TREE_NODE_RECYCLE
+extern int
+onig_free_node_list(void)
+{
+  FreeNode* n;
+
+  /* THREAD_ATOMIC_START; */
+  while (IS_NOT_NULL(FreeNodeList)) {
+    n = FreeNodeList;
+    FreeNodeList = FreeNodeList->next;
+    xfree(n);
+  }
+  /* THREAD_ATOMIC_END; */
+  return 0;
+}
+#endif
+
+static Node*
+node_new(void)
+{
+  Node* node;
+
+#ifdef USE_PARSE_TREE_NODE_RECYCLE
+  THREAD_ATOMIC_START;
+  if (IS_NOT_NULL(FreeNodeList)) {
+    node = (Node* )FreeNodeList;
+    FreeNodeList = FreeNodeList->next;
+    THREAD_ATOMIC_END;
+    return node;
+  }
+  THREAD_ATOMIC_END;
+#endif
+
+  node = (Node* )xmalloc(sizeof(Node));
+  /* xmemset(node, 0, sizeof(Node)); */
+  return node;
+}
+
+
+static void
+initialize_cclass(CClassNode* cc)
+{
+  BITSET_CLEAR(cc->bs);
+  /* cc->base.flags = 0; */
+  cc->flags = 0;
+  cc->mbuf  = NULL;
+}
+
+static Node*
+node_new_cclass(void)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_CCLASS);
+  initialize_cclass(NCCLASS(node));
+  return node;
+}
+
+static Node*
+node_new_cclass_by_codepoint_range(int not, OnigCodePoint sb_out,
+				   const OnigCodePoint ranges[])
+{
+  int n, i;
+  CClassNode* cc;
+  OnigCodePoint j;
+
+  Node* node = node_new_cclass();
+  CHECK_NULL_RETURN(node);
+
+  cc = NCCLASS(node);
+  if (not != 0) NCCLASS_SET_NOT(cc);
+
+  BITSET_CLEAR(cc->bs);
+  if (sb_out > 0 && IS_NOT_NULL(ranges)) {
+    n = ONIGENC_CODE_RANGE_NUM(ranges);
+    for (i = 0; i < n; i++) {
+      for (j  = ONIGENC_CODE_RANGE_FROM(ranges, i);
+           j <= (OnigCodePoint )ONIGENC_CODE_RANGE_TO(ranges, i); j++) {
+	if (j >= sb_out) goto sb_end;
+
+        BITSET_SET_BIT(cc->bs, j);
+      }
+    }
+  }
+
+ sb_end:
+  if (IS_NULL(ranges)) {
+  is_null:
+    cc->mbuf = NULL;
+  }
+  else {
+    BBuf* bbuf;
+
+    n = ONIGENC_CODE_RANGE_NUM(ranges);
+    if (n == 0) goto is_null;
+
+    bbuf = (BBuf* )xmalloc(sizeof(BBuf));
+    CHECK_NULL_RETURN(bbuf);
+    bbuf->alloc = n + 1;
+    bbuf->used  = n + 1;
+    bbuf->p     = (UChar* )((void* )ranges);
+
+    cc->mbuf = bbuf;
+  }
+
+  return node;
+}
+
+static Node*
+node_new_ctype(int type, int not)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_CTYPE);
+  NCTYPE(node)->ctype = type;
+  NCTYPE(node)->not   = not;
+  return node;
+}
+
+static Node*
+node_new_anychar(void)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_CANY);
+  return node;
+}
+
+static Node*
+node_new_list(Node* left, Node* right)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_LIST);
+  NCAR(node)  = left;
+  NCDR(node) = right;
+  return node;
+}
+
+extern Node*
+onig_node_new_list(Node* left, Node* right)
+{
+  return node_new_list(left, right);
+}
+
+extern Node*
+onig_node_list_add(Node* list, Node* x)
+{
+  Node *n;
+
+  n = onig_node_new_list(x, NULL);
+  if (IS_NULL(n)) return NULL_NODE;
+
+  if (IS_NOT_NULL(list)) {
+    while (IS_NOT_NULL(NCDR(list)))
+      list = NCDR(list);
+
+    NCDR(list) = n;
+  }
+
+  return n;
+}
+
+extern Node*
+onig_node_new_alt(Node* left, Node* right)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_ALT);
+  NCAR(node)  = left;
+  NCDR(node) = right;
+  return node;
+}
+
+extern Node*
+onig_node_new_anchor(int type)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_ANCHOR);
+  NANCHOR(node)->type     = type;
+  NANCHOR(node)->target   = NULL;
+  NANCHOR(node)->char_len = -1;
+  return node;
+}
+
+static Node*
+node_new_backref(int back_num, int* backrefs, int by_name,
+#ifdef USE_BACKREF_WITH_LEVEL
+		 int exist_level, int nest_level,
+#endif
+		 ScanEnv* env)
+{
+  int i;
+  Node* node = node_new();
+
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_BREF);
+  NBREF(node)->state    = 0;
+  NBREF(node)->back_num = back_num;
+  NBREF(node)->back_dynamic = (int* )NULL;
+  if (by_name != 0)
+    NBREF(node)->state |= NST_NAME_REF;
+
+#ifdef USE_BACKREF_WITH_LEVEL
+  if (exist_level != 0) {
+    NBREF(node)->state |= NST_NEST_LEVEL;
+    NBREF(node)->nest_level  = nest_level;
+  }
+#endif
+
+  for (i = 0; i < back_num; i++) {
+    if (backrefs[i] <= env->num_mem &&
+	IS_NULL(SCANENV_MEM_NODES(env)[backrefs[i]])) {
+      NBREF(node)->state |= NST_RECURSION;   /* /...(\1).../ */
+      break;
+    }
+  }
+
+  if (back_num <= NODE_BACKREFS_SIZE) {
+    for (i = 0; i < back_num; i++)
+      NBREF(node)->back_static[i] = backrefs[i];
+  }
+  else {
+    int* p = (int* )xmalloc(sizeof(int) * back_num);
+    if (IS_NULL(p)) {
+      onig_node_free(node);
+      return NULL;
+    }
+    NBREF(node)->back_dynamic = p;
+    for (i = 0; i < back_num; i++)
+      p[i] = backrefs[i];
+  }
+  return node;
+}
+
+#ifdef USE_SUBEXP_CALL
+static Node*
+node_new_call(UChar* name, UChar* name_end, int gnum)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_CALL);
+  NCALL(node)->state     = 0;
+  NCALL(node)->target    = NULL_NODE;
+  NCALL(node)->name      = name;
+  NCALL(node)->name_end  = name_end;
+  NCALL(node)->group_num = gnum;  /* call by number if gnum != 0 */
+  return node;
+}
+#endif
+
+static Node*
+node_new_quantifier(int lower, int upper, int by_number)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_QTFR);
+  NQTFR(node)->state  = 0;
+  NQTFR(node)->target = NULL;
+  NQTFR(node)->lower  = lower;
+  NQTFR(node)->upper  = upper;
+  NQTFR(node)->greedy = 1;
+  NQTFR(node)->target_empty_info = NQ_TARGET_ISNOT_EMPTY;
+  NQTFR(node)->head_exact        = NULL_NODE;
+  NQTFR(node)->next_head_exact   = NULL_NODE;
+  NQTFR(node)->is_refered        = 0;
+  if (by_number != 0)
+    NQTFR(node)->state |= NST_BY_NUMBER;
+
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  NQTFR(node)->comb_exp_check_num = 0;
+#endif
+
+  return node;
+}
+
+static Node*
+node_new_enclose(int type)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_ENCLOSE);
+  NENCLOSE(node)->type      = type;
+  NENCLOSE(node)->state     =  0;
+  NENCLOSE(node)->regnum    =  0;
+  NENCLOSE(node)->option    =  0;
+  NENCLOSE(node)->target    = NULL;
+  NENCLOSE(node)->call_addr = -1;
+  NENCLOSE(node)->opt_count =  0;
+  return node;
+}
+
+extern Node*
+onig_node_new_enclose(int type)
+{
+  return node_new_enclose(type);
+}
+
+static Node*
+node_new_enclose_memory(OnigOptionType option, int is_named)
+{
+  Node* node = node_new_enclose(ENCLOSE_MEMORY);
+  CHECK_NULL_RETURN(node);
+  if (is_named != 0)
+    SET_ENCLOSE_STATUS(node, NST_NAMED_GROUP);
+
+#ifdef USE_SUBEXP_CALL
+  NENCLOSE(node)->option = option;
+#endif
+  return node;
+}
+
+static Node*
+node_new_option(OnigOptionType option)
+{
+  Node* node = node_new_enclose(ENCLOSE_OPTION);
+  CHECK_NULL_RETURN(node);
+  NENCLOSE(node)->option = option;
+  return node;
+}
+
+extern int
+onig_node_str_cat(Node* node, const UChar* s, const UChar* end)
+{
+  int addlen = (int)(end - s);
+
+  if (addlen > 0) {
+    int len  = (int)(NSTR(node)->end - NSTR(node)->s);
+
+    if (NSTR(node)->capa > 0 || (len + addlen > NODE_STR_BUF_SIZE - 1)) {
+      UChar* p;
+      int capa = len + addlen + NODE_STR_MARGIN;
+
+      if (capa <= NSTR(node)->capa) {
+	onig_strcpy(NSTR(node)->s + len, s, end);
+      }
+      else {
+	if (NSTR(node)->s == NSTR(node)->buf)
+	  p = strcat_capa_from_static(NSTR(node)->s, NSTR(node)->end,
+				      s, end, capa);
+	else
+	  p = strcat_capa(NSTR(node)->s, NSTR(node)->end, s, end, capa, NSTR(node)->capa);
+
+	CHECK_NULL_RETURN_MEMERR(p);
+	NSTR(node)->s    = p;
+	NSTR(node)->capa = capa;
+      }
+    }
+    else {
+      onig_strcpy(NSTR(node)->s + len, s, end);
+    }
+    NSTR(node)->end = NSTR(node)->s + len + addlen;
+  }
+
+  return 0;
+}
+
+extern int
+onig_node_str_set(Node* node, const UChar* s, const UChar* end)
+{
+  onig_node_str_clear(node);
+  return onig_node_str_cat(node, s, end);
+}
+
+static int
+node_str_cat_char(Node* node, UChar c)
+{
+  UChar s[1];
+
+  s[0] = c;
+  return onig_node_str_cat(node, s, s + 1);
+}
+
+extern void
+onig_node_conv_to_str_node(Node* node, int flag)
+{
+  SET_NTYPE(node, NT_STR);
+  NSTR(node)->flag = flag;
+  NSTR(node)->capa = 0;
+  NSTR(node)->s    = NSTR(node)->buf;
+  NSTR(node)->end  = NSTR(node)->buf;
+}
+
+extern void
+onig_node_str_clear(Node* node)
+{
+  if (NSTR(node)->capa != 0 &&
+      IS_NOT_NULL(NSTR(node)->s) && NSTR(node)->s != NSTR(node)->buf) {
+    xfree(NSTR(node)->s);
+  }
+
+  NSTR(node)->capa = 0;
+  NSTR(node)->flag = 0;
+  NSTR(node)->s    = NSTR(node)->buf;
+  NSTR(node)->end  = NSTR(node)->buf;
+}
+
+static Node*
+node_new_str(const UChar* s, const UChar* end)
+{
+  Node* node = node_new();
+  CHECK_NULL_RETURN(node);
+
+  SET_NTYPE(node, NT_STR);
+  NSTR(node)->capa = 0;
+  NSTR(node)->flag = 0;
+  NSTR(node)->s    = NSTR(node)->buf;
+  NSTR(node)->end  = NSTR(node)->buf;
+  if (onig_node_str_cat(node, s, end)) {
+    onig_node_free(node);
+    return NULL;
+  }
+  return node;
+}
+
+extern Node*
+onig_node_new_str(const UChar* s, const UChar* end)
+{
+  return node_new_str(s, end);
+}
+
+static Node*
+node_new_str_raw(UChar* s, UChar* end)
+{
+  Node* node = node_new_str(s, end);
+  NSTRING_SET_RAW(node);
+  return node;
+}
+
+static Node*
+node_new_empty(void)
+{
+  return node_new_str(NULL, NULL);
+}
+
+static Node*
+node_new_str_raw_char(UChar c)
+{
+  UChar p[1];
+
+  p[0] = c;
+  return node_new_str_raw(p, p + 1);
+}
+
+static Node*
+str_node_split_last_char(StrNode* sn, OnigEncoding enc)
+{
+  const UChar *p;
+  Node* n = NULL_NODE;
+
+  if (sn->end > sn->s) {
+    p = onigenc_get_prev_char_head(enc, sn->s, sn->end);
+    if (p && p > sn->s) { /* can be splitted. */
+      n = node_new_str(p, sn->end);
+      if ((sn->flag & NSTR_RAW) != 0)
+	NSTRING_SET_RAW(n);
+      sn->end = (UChar* )p;
+    }
+  }
+  return n;
+}
+
+static int
+str_node_can_be_split(StrNode* sn, OnigEncoding enc)
+{
+  if (sn->end > sn->s) {
+    return ((enclen(enc, sn->s) < sn->end - sn->s)  ?  1 : 0);
+  }
+  return 0;
+}
+
+#ifdef USE_PAD_TO_SHORT_BYTE_CHAR
+static int
+node_str_head_pad(StrNode* sn, int num, UChar val)
+{
+  UChar buf[NODE_STR_BUF_SIZE];
+  int i, len;
+
+  len = sn->end - sn->s;
+  onig_strcpy(buf, sn->s, sn->end);
+  onig_strcpy(&(sn->s[num]), buf, buf + len);
+  sn->end += num;
+
+  for (i = 0; i < num; i++) {
+    sn->s[i] = val;
+  }
+}
+#endif
+
+extern int
+onig_scan_unsigned_number(UChar** src, const UChar* end, OnigEncoding enc)
+{
+  unsigned int num, val;
+  OnigCodePoint c;
+  UChar* p = *src;
+  PFETCH_READY;
+
+  num = 0;
+  while (!PEND) {
+    PFETCH(c);
+    if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
+      val = (unsigned int )DIGITVAL(c);
+      if ((INT_MAX_LIMIT - val) / 10UL < num)
+	return -1;  /* overflow */
+
+      num = num * 10 + val;
+    }
+    else {
+      PUNFETCH;
+      break;
+    }
+  }
+  *src = p;
+  return num;
+}
+
+static int
+scan_unsigned_hexadecimal_number(UChar** src, UChar* end, int maxlen,
+				 OnigEncoding enc)
+{
+  OnigCodePoint c;
+  unsigned int num, val;
+  UChar* p = *src;
+  PFETCH_READY;
+
+  num = 0;
+  while (!PEND && maxlen-- != 0) {
+    PFETCH(c);
+    if (ONIGENC_IS_CODE_XDIGIT(enc, c)) {
+      val = (unsigned int )XDIGITVAL(enc,c);
+      if ((INT_MAX_LIMIT - val) / 16UL < num)
+	return -1;  /* overflow */
+
+      num = (num << 4) + XDIGITVAL(enc,c);
+    }
+    else {
+      PUNFETCH;
+      break;
+    }
+  }
+  *src = p;
+  return num;
+}
+
+static int
+scan_unsigned_octal_number(UChar** src, UChar* end, int maxlen,
+			   OnigEncoding enc)
+{
+  OnigCodePoint c;
+  unsigned int num, val;
+  UChar* p = *src;
+  PFETCH_READY;
+
+  num = 0;
+  while (!PEND && maxlen-- != 0) {
+    PFETCH(c);
+    if (ONIGENC_IS_CODE_DIGIT(enc, c) && c < '8') {
+      val = ODIGITVAL(c);
+      if ((INT_MAX_LIMIT - val) / 8UL < num)
+	return -1;  /* overflow */
+
+      num = (num << 3) + val;
+    }
+    else {
+      PUNFETCH;
+      break;
+    }
+  }
+  *src = p;
+  return num;
+}
+
+
+#define BBUF_WRITE_CODE_POINT(bbuf,pos,code) \
+    BBUF_WRITE(bbuf, pos, &(code), SIZE_CODE_POINT)
+
+/* data format:
+     [n][from-1][to-1][from-2][to-2] ... [from-n][to-n]
+     (all data size is OnigCodePoint)
+ */
+static int
+new_code_range(BBuf** pbuf)
+{
+#define INIT_MULTI_BYTE_RANGE_SIZE  (SIZE_CODE_POINT * 5)
+  int r;
+  OnigCodePoint n;
+  BBuf* bbuf;
+
+  bbuf = *pbuf = (BBuf* )xmalloc(sizeof(BBuf));
+  CHECK_NULL_RETURN_MEMERR(*pbuf);
+  r = BBUF_INIT(*pbuf, INIT_MULTI_BYTE_RANGE_SIZE);
+  if (r) return r;
+
+  n = 0;
+  BBUF_WRITE_CODE_POINT(bbuf, 0, n);
+  return 0;
+}
+
+static int
+add_code_range_to_buf(BBuf** pbuf, OnigCodePoint from, OnigCodePoint to)
+{
+  int r, inc_n, pos;
+  int low, high, bound, x;
+  OnigCodePoint n, *data;
+  BBuf* bbuf;
+
+  if (from > to) {
+    n = from; from = to; to = n;
+  }
+
+  if (IS_NULL(*pbuf)) {
+    r = new_code_range(pbuf);
+    if (r) return r;
+    bbuf = *pbuf;
+    n = 0;
+  }
+  else {
+    bbuf = *pbuf;
+    GET_CODE_POINT(n, bbuf->p);
+  }
+  data = (OnigCodePoint* )(bbuf->p);
+  data++;
+
+  for (low = 0, bound = n; low < bound; ) {
+    x = (low + bound) >> 1;
+    if (from > data[x*2 + 1])
+      low = x + 1;
+    else
+      bound = x;
+  }
+
+  for (high = low, bound = n; high < bound; ) {
+    x = (high + bound) >> 1;
+    if (to >= data[x*2] - 1)
+      high = x + 1;
+    else
+      bound = x;
+  }
+
+  inc_n = low + 1 - high;
+  if (n + inc_n > ONIG_MAX_MULTI_BYTE_RANGES_NUM)
+    return ONIGERR_TOO_MANY_MULTI_BYTE_RANGES;
+
+  if (inc_n != 1) {
+    if (from > data[low*2])
+      from = data[low*2];
+    if (to < data[(high - 1)*2 + 1])
+      to = data[(high - 1)*2 + 1];
+  }
+
+  if (inc_n != 0 && (OnigCodePoint )high < n) {
+    int from_pos = SIZE_CODE_POINT * (1 + high * 2);
+    int to_pos   = SIZE_CODE_POINT * (1 + (low + 1) * 2);
+    int size = (n - high) * 2 * SIZE_CODE_POINT;
+
+    if (inc_n > 0) {
+      BBUF_MOVE_RIGHT(bbuf, from_pos, to_pos, size);
+    }
+    else {
+      BBUF_MOVE_LEFT_REDUCE(bbuf, from_pos, to_pos);
+    }
+  }
+
+  pos = SIZE_CODE_POINT * (1 + low * 2);
+  BBUF_ENSURE_SIZE(bbuf, pos + SIZE_CODE_POINT * 2);
+  BBUF_WRITE_CODE_POINT(bbuf, pos, from);
+  BBUF_WRITE_CODE_POINT(bbuf, pos + SIZE_CODE_POINT, to);
+  n += inc_n;
+  BBUF_WRITE_CODE_POINT(bbuf, 0, n);
+
+  return 0;
+}
+
+static int
+add_code_range(BBuf** pbuf, ScanEnv* env, OnigCodePoint from, OnigCodePoint to)
+{
+  if (from > to) {
+    if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC))
+      return 0;
+    else
+      return ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS;
+  }
+
+  return add_code_range_to_buf(pbuf, from, to);
+}
+
+static int
+not_code_range_buf(OnigEncoding enc, BBuf* bbuf, BBuf** pbuf)
+{
+  int r, i, n;
+  OnigCodePoint pre, from, *data, to = 0;
+
+  *pbuf = (BBuf* )NULL;
+  if (IS_NULL(bbuf)) {
+  set_all:
+    return SET_ALL_MULTI_BYTE_RANGE(enc, pbuf);
+  }
+
+  data = (OnigCodePoint* )(bbuf->p);
+  GET_CODE_POINT(n, data);
+  data++;
+  if (n <= 0) goto set_all;
+
+  r = 0;
+  pre = MBCODE_START_POS(enc);
+  for (i = 0; i < n; i++) {
+    from = data[i*2];
+    to   = data[i*2+1];
+    if (pre <= from - 1) {
+      r = add_code_range_to_buf(pbuf, pre, from - 1);
+      if (r != 0) return r;
+    }
+    if (to == ~((OnigCodePoint )0)) break;
+    pre = to + 1;
+  }
+  if (to < ~((OnigCodePoint )0)) {
+    r = add_code_range_to_buf(pbuf, to + 1, ~((OnigCodePoint )0));
+  }
+  return r;
+}
+
+#define SWAP_BBUF_NOT(bbuf1, not1, bbuf2, not2) do {\
+  BBuf *tbuf; \
+  int  tnot; \
+  tnot = not1;  not1  = not2;  not2  = tnot; \
+  tbuf = bbuf1; bbuf1 = bbuf2; bbuf2 = tbuf; \
+} while (0)
+
+static int
+or_code_range_buf(OnigEncoding enc, BBuf* bbuf1, int not1,
+                  BBuf* bbuf2, int not2, BBuf** pbuf)
+{
+  int r;
+  OnigCodePoint i, n1, *data1;
+  OnigCodePoint from, to;
+
+  *pbuf = (BBuf* )NULL;
+  if (IS_NULL(bbuf1) && IS_NULL(bbuf2)) {
+    if (not1 != 0 || not2 != 0)
+      return SET_ALL_MULTI_BYTE_RANGE(enc, pbuf);
+    return 0;
+  }
+
+  r = 0;
+  if (IS_NULL(bbuf2))
+    SWAP_BBUF_NOT(bbuf1, not1, bbuf2, not2);
+
+  if (IS_NULL(bbuf1)) {
+    if (not1 != 0) {
+      return SET_ALL_MULTI_BYTE_RANGE(enc, pbuf);
+    }
+    else {
+      if (not2 == 0) {
+	return bbuf_clone(pbuf, bbuf2);
+      }
+      else {
+	return not_code_range_buf(enc, bbuf2, pbuf);
+      }
+    }
+  }
+
+  if (not1 != 0)
+    SWAP_BBUF_NOT(bbuf1, not1, bbuf2, not2);
+
+  data1 = (OnigCodePoint* )(bbuf1->p);
+  GET_CODE_POINT(n1, data1);
+  data1++;
+
+  if (not2 == 0 && not1 == 0) { /* 1 OR 2 */
+    r = bbuf_clone(pbuf, bbuf2);
+  }
+  else if (not1 == 0) { /* 1 OR (not 2) */
+    r = not_code_range_buf(enc, bbuf2, pbuf);
+  }
+  if (r != 0) return r;
+
+  for (i = 0; i < n1; i++) {
+    from = data1[i*2];
+    to   = data1[i*2+1];
+    r = add_code_range_to_buf(pbuf, from, to);
+    if (r != 0) return r;
+  }
+  return 0;
+}
+
+static int
+and_code_range1(BBuf** pbuf, OnigCodePoint from1, OnigCodePoint to1,
+	        OnigCodePoint* data, int n)
+{
+  int i, r;
+  OnigCodePoint from2, to2;
+
+  for (i = 0; i < n; i++) {
+    from2 = data[i*2];
+    to2   = data[i*2+1];
+    if (from2 < from1) {
+      if (to2 < from1) continue;
+      else {
+	from1 = to2 + 1;
+      }
+    }
+    else if (from2 <= to1) {
+      if (to2 < to1) {
+	if (from1 <= from2 - 1) {
+	  r = add_code_range_to_buf(pbuf, from1, from2-1);
+	  if (r != 0) return r;
+	}
+	from1 = to2 + 1;
+      }
+      else {
+	to1 = from2 - 1;
+      }
+    }
+    else {
+      from1 = from2;
+    }
+    if (from1 > to1) break;
+  }
+  if (from1 <= to1) {
+    r = add_code_range_to_buf(pbuf, from1, to1);
+    if (r != 0) return r;
+  }
+  return 0;
+}
+
+static int
+and_code_range_buf(BBuf* bbuf1, int not1, BBuf* bbuf2, int not2, BBuf** pbuf)
+{
+  int r;
+  OnigCodePoint i, j, n1, n2, *data1, *data2;
+  OnigCodePoint from, to, from1, to1, from2, to2;
+
+  *pbuf = (BBuf* )NULL;
+  if (IS_NULL(bbuf1)) {
+    if (not1 != 0 && IS_NOT_NULL(bbuf2)) /* not1 != 0 -> not2 == 0 */
+      return bbuf_clone(pbuf, bbuf2);
+    return 0;
+  }
+  else if (IS_NULL(bbuf2)) {
+    if (not2 != 0)
+      return bbuf_clone(pbuf, bbuf1);
+    return 0;
+  }
+
+  if (not1 != 0)
+    SWAP_BBUF_NOT(bbuf1, not1, bbuf2, not2);
+
+  data1 = (OnigCodePoint* )(bbuf1->p);
+  data2 = (OnigCodePoint* )(bbuf2->p);
+  GET_CODE_POINT(n1, data1);
+  GET_CODE_POINT(n2, data2);
+  data1++;
+  data2++;
+
+  if (not2 == 0 && not1 == 0) { /* 1 AND 2 */
+    for (i = 0; i < n1; i++) {
+      from1 = data1[i*2];
+      to1   = data1[i*2+1];
+      for (j = 0; j < n2; j++) {
+	from2 = data2[j*2];
+	to2   = data2[j*2+1];
+	if (from2 > to1) break;
+	if (to2 < from1) continue;
+	from = MAX(from1, from2);
+	to   = MIN(to1, to2);
+	r = add_code_range_to_buf(pbuf, from, to);
+	if (r != 0) return r;
+      }
+    }
+  }
+  else if (not1 == 0) { /* 1 AND (not 2) */
+    for (i = 0; i < n1; i++) {
+      from1 = data1[i*2];
+      to1   = data1[i*2+1];
+      r = and_code_range1(pbuf, from1, to1, data2, n2);
+      if (r != 0) return r;
+    }
+  }
+
+  return 0;
+}
+
+static int
+and_cclass(CClassNode* dest, CClassNode* cc, OnigEncoding enc)
+{
+  int r, not1, not2;
+  BBuf *buf1, *buf2, *pbuf;
+  BitSetRef bsr1, bsr2;
+  BitSet bs1, bs2;
+
+  not1 = IS_NCCLASS_NOT(dest);
+  bsr1 = dest->bs;
+  buf1 = dest->mbuf;
+  not2 = IS_NCCLASS_NOT(cc);
+  bsr2 = cc->bs;
+  buf2 = cc->mbuf;
+
+  if (not1 != 0) {
+    bitset_invert_to(bsr1, bs1);
+    bsr1 = bs1;
+  }
+  if (not2 != 0) {
+    bitset_invert_to(bsr2, bs2);
+    bsr2 = bs2;
+  }
+  bitset_and(bsr1, bsr2);
+  if (bsr1 != dest->bs) {
+    bitset_copy(dest->bs, bsr1);
+    bsr1 = dest->bs;
+  }
+  if (not1 != 0) {
+    bitset_invert(dest->bs);
+  }
+
+  if (! ONIGENC_IS_SINGLEBYTE(enc)) {
+    if (not1 != 0 && not2 != 0) {
+      r = or_code_range_buf(enc, buf1, 0, buf2, 0, &pbuf);
+    }
+    else {
+      r = and_code_range_buf(buf1, not1, buf2, not2, &pbuf);
+      if (r == 0 && not1 != 0) {
+	BBuf *tbuf;
+	r = not_code_range_buf(enc, pbuf, &tbuf);
+	if (r != 0) {
+	  bbuf_free(pbuf);
+	  return r;
+	}
+	bbuf_free(pbuf);
+	pbuf = tbuf;
+      }
+    }
+    if (r != 0) return r;
+
+    dest->mbuf = pbuf;
+    bbuf_free(buf1);
+    return r;
+  }
+  return 0;
+}
+
+static int
+or_cclass(CClassNode* dest, CClassNode* cc, OnigEncoding enc)
+{
+  int r, not1, not2;
+  BBuf *buf1, *buf2, *pbuf;
+  BitSetRef bsr1, bsr2;
+  BitSet bs1, bs2;
+
+  not1 = IS_NCCLASS_NOT(dest);
+  bsr1 = dest->bs;
+  buf1 = dest->mbuf;
+  not2 = IS_NCCLASS_NOT(cc);
+  bsr2 = cc->bs;
+  buf2 = cc->mbuf;
+
+  if (not1 != 0) {
+    bitset_invert_to(bsr1, bs1);
+    bsr1 = bs1;
+  }
+  if (not2 != 0) {
+    bitset_invert_to(bsr2, bs2);
+    bsr2 = bs2;
+  }
+  bitset_or(bsr1, bsr2);
+  if (bsr1 != dest->bs) {
+    bitset_copy(dest->bs, bsr1);
+    bsr1 = dest->bs;
+  }
+  if (not1 != 0) {
+    bitset_invert(dest->bs);
+  }
+
+  if (! ONIGENC_IS_SINGLEBYTE(enc)) {
+    if (not1 != 0 && not2 != 0) {
+      r = and_code_range_buf(buf1, 0, buf2, 0, &pbuf);
+    }
+    else {
+      r = or_code_range_buf(enc, buf1, not1, buf2, not2, &pbuf);
+      if (r == 0 && not1 != 0) {
+	BBuf *tbuf;
+	r = not_code_range_buf(enc, pbuf, &tbuf);
+	if (r != 0) {
+	  bbuf_free(pbuf);
+	  return r;
+	}
+	bbuf_free(pbuf);
+	pbuf = tbuf;
+      }
+    }
+    if (r != 0) return r;
+
+    dest->mbuf = pbuf;
+    bbuf_free(buf1);
+    return r;
+  }
+  else
+    return 0;
+}
+
+static int
+conv_backslash_value(int c, ScanEnv* env)
+{
+  if (IS_SYNTAX_OP(env->syntax, ONIG_SYN_OP_ESC_CONTROL_CHARS)) {
+    switch (c) {
+    case 'n': return '\n';
+    case 't': return '\t';
+    case 'r': return '\r';
+    case 'f': return '\f';
+    case 'a': return '\007';
+    case 'b': return '\010';
+    case 'e': return '\033';
+    case 'v':
+      if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_ESC_V_VTAB))
+	return '\v';
+      break;
+
+    default:
+      break;
+    }
+  }
+  return c;
+}
+
+static int
+is_invalid_quantifier_target(Node* node)
+{
+  switch (NTYPE(node)) {
+  case NT_ANCHOR:
+    return 1;
+    break;
+
+  case NT_ENCLOSE:
+    /* allow enclosed elements */
+    /* return is_invalid_quantifier_target(NENCLOSE(node)->target); */
+    break;
+
+  case NT_LIST:
+    do {
+      if (! is_invalid_quantifier_target(NCAR(node))) return 0;
+    } while (IS_NOT_NULL(node = NCDR(node)));
+    return 0;
+    break;
+
+  case NT_ALT:
+    do {
+      if (is_invalid_quantifier_target(NCAR(node))) return 1;
+    } while (IS_NOT_NULL(node = NCDR(node)));
+    break;
+
+  default:
+    break;
+  }
+  return 0;
+}
+
+/* ?:0, *:1, +:2, ??:3, *?:4, +?:5 */
+static int
+popular_quantifier_num(QtfrNode* q)
+{
+  if (q->greedy) {
+    if (q->lower == 0) {
+      if (q->upper == 1) return 0;
+      else if (IS_REPEAT_INFINITE(q->upper)) return 1;
+    }
+    else if (q->lower == 1) {
+      if (IS_REPEAT_INFINITE(q->upper)) return 2;
+    }
+  }
+  else {
+    if (q->lower == 0) {
+      if (q->upper == 1) return 3;
+      else if (IS_REPEAT_INFINITE(q->upper)) return 4;
+    }
+    else if (q->lower == 1) {
+      if (IS_REPEAT_INFINITE(q->upper)) return 5;
+    }
+  }
+  return -1;
+}
+
+
+enum ReduceType {
+  RQ_ASIS = 0, /* as is */
+  RQ_DEL  = 1, /* delete parent */
+  RQ_A,        /* to '*'    */
+  RQ_AQ,       /* to '*?'   */
+  RQ_QQ,       /* to '??'   */
+  RQ_P_QQ,     /* to '+)??' */
+  RQ_PQ_Q      /* to '+?)?' */
+};
+
+static enum ReduceType ReduceTypeTable[6][6] = {
+  {RQ_DEL,  RQ_A,    RQ_A,   RQ_QQ,   RQ_AQ,   RQ_ASIS}, /* '?'  */
+  {RQ_DEL,  RQ_DEL,  RQ_DEL, RQ_P_QQ, RQ_P_QQ, RQ_DEL},  /* '*'  */
+  {RQ_A,    RQ_A,    RQ_DEL, RQ_ASIS, RQ_P_QQ, RQ_DEL},  /* '+'  */
+  {RQ_DEL,  RQ_AQ,   RQ_AQ,  RQ_DEL,  RQ_AQ,   RQ_AQ},   /* '??' */
+  {RQ_DEL,  RQ_DEL,  RQ_DEL, RQ_DEL,  RQ_DEL,  RQ_DEL},  /* '*?' */
+  {RQ_ASIS, RQ_PQ_Q, RQ_DEL, RQ_AQ,   RQ_AQ,   RQ_DEL}   /* '+?' */
+};
+
+extern void
+onig_reduce_nested_quantifier(Node* pnode, Node* cnode)
+{
+  int pnum, cnum;
+  QtfrNode *p, *c;
+
+  p = NQTFR(pnode);
+  c = NQTFR(cnode);
+  pnum = popular_quantifier_num(p);
+  cnum = popular_quantifier_num(c);
+  if (pnum < 0 || cnum < 0) return ;
+
+  switch(ReduceTypeTable[cnum][pnum]) {
+  case RQ_DEL:
+    *pnode = *cnode;
+    break;
+  case RQ_A:
+    p->target = c->target;
+    p->lower  = 0;  p->upper = REPEAT_INFINITE;  p->greedy = 1;
+    break;
+  case RQ_AQ:
+    p->target = c->target;
+    p->lower  = 0;  p->upper = REPEAT_INFINITE;  p->greedy = 0;
+    break;
+  case RQ_QQ:
+    p->target = c->target;
+    p->lower  = 0;  p->upper = 1;  p->greedy = 0;
+    break;
+  case RQ_P_QQ:
+    p->target = cnode;
+    p->lower  = 0;  p->upper = 1;  p->greedy = 0;
+    c->lower  = 1;  c->upper = REPEAT_INFINITE;  c->greedy = 1;
+    return ;
+    break;
+  case RQ_PQ_Q:
+    p->target = cnode;
+    p->lower  = 0;  p->upper = 1;  p->greedy = 1;
+    c->lower  = 1;  c->upper = REPEAT_INFINITE;  c->greedy = 0;
+    return ;
+    break;
+  case RQ_ASIS:
+    p->target = cnode;
+    return ;
+    break;
+  }
+
+  c->target = NULL_NODE;
+  onig_node_free(cnode);
+}
+
+
+enum TokenSyms {
+  TK_EOT      = 0,   /* end of token */
+  TK_RAW_BYTE = 1,
+  TK_CHAR,
+  TK_STRING,
+  TK_CODE_POINT,
+  TK_ANYCHAR,
+  TK_CHAR_TYPE,
+  TK_BACKREF,
+  TK_CALL,
+  TK_ANCHOR,
+  TK_OP_REPEAT,
+  TK_INTERVAL,
+  TK_ANYCHAR_ANYTIME,  /* SQL '%' == .* */
+  TK_ALT,
+  TK_SUBEXP_OPEN,
+  TK_SUBEXP_CLOSE,
+  TK_CC_OPEN,
+  TK_QUOTE_OPEN,
+  TK_CHAR_PROPERTY,    /* \p{...}, \P{...} */
+  /* in cc */
+  TK_CC_CLOSE,
+  TK_CC_RANGE,
+  TK_POSIX_BRACKET_OPEN,
+  TK_CC_AND,             /* && */
+  TK_CC_CC_OPEN          /* [ */
+};
+
+typedef struct {
+  enum TokenSyms type;
+  int escaped;
+  int base;   /* is number: 8, 16 (used in [....]) */
+  UChar* backp;
+  union {
+    UChar* s;
+    int   c;
+    OnigCodePoint code;
+    int   anchor;
+    int   subtype;
+    struct {
+      int lower;
+      int upper;
+      int greedy;
+      int possessive;
+    } repeat;
+    struct {
+      int  num;
+      int  ref1;
+      int* refs;
+      int  by_name;
+#ifdef USE_BACKREF_WITH_LEVEL
+      int  exist_level;
+      int  level;   /* \k<name+n> */
+#endif
+    } backref;
+    struct {
+      UChar* name;
+      UChar* name_end;
+      int    gnum;
+    } call;
+    struct {
+      int ctype;
+      int not;
+    } prop;
+  } u;
+} OnigToken;
+
+
+static int
+fetch_range_quantifier(UChar** src, UChar* end, OnigToken* tok, ScanEnv* env)
+{
+  int low, up, syn_allow, non_low = 0;
+  int r = 0;
+  OnigCodePoint c;
+  OnigEncoding enc = env->enc;
+  UChar* p = *src;
+  PFETCH_READY;
+
+  syn_allow = IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_INVALID_INTERVAL);
+
+  if (PEND) {
+    if (syn_allow)
+      return 1;  /* "....{" : OK! */
+    else
+      return ONIGERR_END_PATTERN_AT_LEFT_BRACE;  /* "....{" syntax error */
+  }
+
+  if (! syn_allow) {
+    c = PPEEK;
+    if (c == ')' || c == '(' || c == '|') {
+      return ONIGERR_END_PATTERN_AT_LEFT_BRACE;
+    }
+  }
+
+  low = onig_scan_unsigned_number(&p, end, env->enc);
+  if (low < 0) return ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE;
+  if (low > ONIG_MAX_REPEAT_NUM)
+    return ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE;
+
+  if (p == *src) { /* can't read low */
+    if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV)) {
+      /* allow {,n} as {0,n} */
+      low = 0;
+      non_low = 1;
+    }
+    else
+      goto invalid;
+  }
+
+  if (PEND) goto invalid;
+  PFETCH(c);
+  if (c == ',') {
+    UChar* prev = p;
+    up = onig_scan_unsigned_number(&p, end, env->enc);
+    if (up < 0) return ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE;
+    if (up > ONIG_MAX_REPEAT_NUM)
+      return ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE;
+
+    if (p == prev) {
+      if (non_low != 0)
+	goto invalid;
+      up = REPEAT_INFINITE;  /* {n,} : {n,infinite} */
+    }
+  }
+  else {
+    if (non_low != 0)
+      goto invalid;
+
+    PUNFETCH;
+    up = low;  /* {n} : exact n times */
+    r = 2;     /* fixed */
+  }
+
+  if (PEND) goto invalid;
+  PFETCH(c);
+  if (IS_SYNTAX_OP(env->syntax, ONIG_SYN_OP_ESC_BRACE_INTERVAL)) {
+    if (c != MC_ESC(env->syntax)) goto invalid;
+    PFETCH(c);
+  }
+  if (c != '}') goto invalid;
+
+  if (!IS_REPEAT_INFINITE(up) && low > up) {
+    return ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE;
+  }
+
+  tok->type = TK_INTERVAL;
+  tok->u.repeat.lower = low;
+  tok->u.repeat.upper = up;
+  *src = p;
+  return r; /* 0: normal {n,m}, 2: fixed {n} */
+
+ invalid:
+  if (syn_allow)
+    return 1;  /* OK */
+  else
+    return ONIGERR_INVALID_REPEAT_RANGE_PATTERN;
+}
+
+/* \M-, \C-, \c, or \... */
+static int
+fetch_escaped_value(UChar** src, UChar* end, ScanEnv* env)
+{
+  int v;
+  OnigCodePoint c;
+  OnigEncoding enc = env->enc;
+  UChar* p = *src;
+
+  if (PEND) return ONIGERR_END_PATTERN_AT_ESCAPE;
+
+  PFETCH_S(c);
+  switch (c) {
+  case 'M':
+    if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_ESC_CAPITAL_M_BAR_META)) {
+      if (PEND) return ONIGERR_END_PATTERN_AT_META;
+      PFETCH_S(c);
+      if (c != '-') return ONIGERR_META_CODE_SYNTAX;
+      if (PEND) return ONIGERR_END_PATTERN_AT_META;
+      PFETCH_S(c);
+      if (c == MC_ESC(env->syntax)) {
+        v = fetch_escaped_value(&p, end, env);
+        if (v < 0) return v;
+        c = (OnigCodePoint )v;
+      }
+      c = ((c & 0xff) | 0x80);
+    }
+    else
+      goto backslash;
+    break;
+
+  case 'C':
+    if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL)) {
+      if (PEND) return ONIGERR_END_PATTERN_AT_CONTROL;
+      PFETCH_S(c);
+      if (c != '-') return ONIGERR_CONTROL_CODE_SYNTAX;
+      goto control;
+    }
+    else
+      goto backslash;
+
+  case 'c':
+    if (IS_SYNTAX_OP(env->syntax, ONIG_SYN_OP_ESC_C_CONTROL)) {
+    control:
+      if (PEND) return ONIGERR_END_PATTERN_AT_CONTROL;
+      PFETCH_S(c);
+      if (c == '?') {
+        c = 0177;
+      }
+      else {
+        if (c == MC_ESC(env->syntax)) {
+          v = fetch_escaped_value(&p, end, env);
+          if (v < 0) return v;
+          c = (OnigCodePoint )v;
+        }
+        c &= 0x9f;
+      }
+      break;
+    }
+    /* fall through */
+
+  default:
+    {
+    backslash:
+      c = conv_backslash_value(c, env);
+    }
+    break;
+  }
+
+  *src = p;
+  return c;
+}
+
+static int fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env);
+
+static OnigCodePoint
+get_name_end_code_point(OnigCodePoint start)
+{
+  switch (start) {
+  case '<':  return (OnigCodePoint )'>'; break;
+  case '\'': return (OnigCodePoint )'\''; break;
+  default:
+    break;
+  }
+
+  return (OnigCodePoint )0;
+}
+
+#ifdef USE_NAMED_GROUP
+#ifdef USE_BACKREF_WITH_LEVEL
+/*
+   \k<name+n>, \k<name-n>
+   \k<num+n>,  \k<num-n>
+   \k<-num+n>, \k<-num-n>
+*/
+static int
+fetch_name_with_level(OnigCodePoint start_code, UChar** src, UChar* end,
+		      UChar** rname_end, ScanEnv* env,
+		      int* rback_num, int* rlevel)
+{
+  int r, sign, is_num, exist_level;
+  OnigCodePoint end_code;
+  OnigCodePoint c = 0;
+  OnigEncoding enc = env->enc;
+  UChar *name_end;
+  UChar *pnum_head;
+  UChar *p = *src;
+  PFETCH_READY;
+
+  *rback_num = 0;
+  is_num = exist_level = 0;
+  sign = 1;
+  pnum_head = *src;
+
+  end_code = get_name_end_code_point(start_code);
+
+  name_end = end;
+  r = 0;
+  if (PEND) {
+    return ONIGERR_EMPTY_GROUP_NAME;
+  }
+  else {
+    PFETCH(c);
+    if (c == end_code)
+      return ONIGERR_EMPTY_GROUP_NAME;
+
+    if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
+      is_num = 1;
+    }
+    else if (c == '-') {
+      is_num = 2;
+      sign = -1;
+      pnum_head = p;
+    }
+    else if (!ONIGENC_IS_CODE_WORD(enc, c)) {
+      r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
+    }
+  }
+
+  while (!PEND) {
+    name_end = p;
+    PFETCH(c);
+    if (c == end_code || c == ')' || c == '+' || c == '-') {
+      if (is_num == 2) 	r = ONIGERR_INVALID_GROUP_NAME;
+      break;
+    }
+
+    if (is_num != 0) {
+      if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
+        is_num = 1;
+      }
+      else {
+        r = ONIGERR_INVALID_GROUP_NAME;
+        is_num = 0;
+      }
+    }
+    else if (!ONIGENC_IS_CODE_WORD(enc, c)) {
+      r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
+    }
+  }
+
+  if (r == 0 && c != end_code) {
+    if (c == '+' || c == '-') {
+      int level;
+      int flag = (c == '-' ? -1 : 1);
+
+      PFETCH(c);
+      if (! ONIGENC_IS_CODE_DIGIT(enc, c)) goto err;
+      PUNFETCH;
+      level = onig_scan_unsigned_number(&p, end, enc);
+      if (level < 0) return ONIGERR_TOO_BIG_NUMBER;
+      *rlevel = (level * flag);
+      exist_level = 1;
+
+      PFETCH(c);
+      if (c == end_code)
+	goto end;
+    }
+
+  err:
+    r = ONIGERR_INVALID_GROUP_NAME;
+    name_end = end;
+  }
+
+ end:
+  if (r == 0) {
+    if (is_num != 0) {
+      *rback_num = onig_scan_unsigned_number(&pnum_head, name_end, enc);
+      if (*rback_num < 0) return ONIGERR_TOO_BIG_NUMBER;
+      else if (*rback_num == 0) goto err;
+
+      *rback_num *= sign;
+    }
+
+    *rname_end = name_end;
+    *src = p;
+    return (exist_level ? 1 : 0);
+  }
+  else {
+    onig_scan_env_set_error_string(env, r, *src, name_end);
+    return r;
+  }
+}
+#endif /* USE_BACKREF_WITH_LEVEL */
+
+/*
+  def: 0 -> define name    (don't allow number name)
+       1 -> reference name (allow number name)
+*/
+static int
+fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
+	   UChar** rname_end, ScanEnv* env, int* rback_num, int ref)
+{
+  int r, is_num, sign;
+  OnigCodePoint end_code;
+  OnigCodePoint c = 0;
+  OnigEncoding enc = env->enc;
+  UChar *name_end;
+  UChar *pnum_head;
+  UChar *p = *src;
+
+  *rback_num = 0;
+
+  end_code = get_name_end_code_point(start_code);
+
+  name_end = end;
+  pnum_head = *src;
+  r = 0;
+  is_num = 0;
+  sign = 1;
+  if (PEND) {
+    return ONIGERR_EMPTY_GROUP_NAME;
+  }
+  else {
+    PFETCH_S(c);
+    if (c == end_code)
+      return ONIGERR_EMPTY_GROUP_NAME;
+
+    if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
+      if (ref == 1)
+        is_num = 1;
+      else {
+        r = ONIGERR_INVALID_GROUP_NAME;
+        is_num = 0;
+      }
+    }
+    else if (c == '-') {
+      if (ref == 1) {
+        is_num = 2;
+        sign = -1;
+        pnum_head = p;
+      }
+      else {
+        r = ONIGERR_INVALID_GROUP_NAME;
+        is_num = 0;
+      }
+    }
+    else if (!ONIGENC_IS_CODE_WORD(enc, c)) {
+      r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
+    }
+  }
+
+  if (r == 0) {
+    while (!PEND) {
+      name_end = p;
+      PFETCH_S(c);
+      if (c == end_code || c == ')') {
+        if (is_num == 2) 	r = ONIGERR_INVALID_GROUP_NAME;
+        break;
+      }
+
+      if (is_num != 0) {
+        if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
+          is_num = 1;
+        }
+        else {
+          if (!ONIGENC_IS_CODE_WORD(enc, c))
+            r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
+          else
+            r = ONIGERR_INVALID_GROUP_NAME;
+          is_num = 0;
+        }
+      }
+      else {
+        if (!ONIGENC_IS_CODE_WORD(enc, c)) {
+          r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
+        }
+      }
+    }
+
+    if (c != end_code) {
+      r = ONIGERR_INVALID_GROUP_NAME;
+      name_end = end;
+    }
+
+    if (is_num != 0) {
+      *rback_num = onig_scan_unsigned_number(&pnum_head, name_end, enc);
+      if (*rback_num < 0) return ONIGERR_TOO_BIG_NUMBER;
+      else if (*rback_num == 0) {
+        r = ONIGERR_INVALID_GROUP_NAME;
+        goto err;
+      }
+
+      *rback_num *= sign;
+    }
+
+    *rname_end = name_end;
+    *src = p;
+    return 0;
+  }
+  else {
+    while (!PEND) {
+      name_end = p;
+      PFETCH_S(c);
+      if (c == end_code || c == ')')
+        break;
+    }
+    if (PEND)
+      name_end = end;
+
+  err:
+    onig_scan_env_set_error_string(env, r, *src, name_end);
+    return r;
+  }
+}
+#else
+static int
+fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
+	   UChar** rname_end, ScanEnv* env, int* rback_num, int ref)
+{
+  int r, is_num, sign;
+  OnigCodePoint end_code;
+  OnigCodePoint c = 0;
+  UChar *name_end;
+  OnigEncoding enc = env->enc;
+  UChar *pnum_head;
+  UChar *p = *src;
+  PFETCH_READY;
+
+  *rback_num = 0;
+
+  end_code = get_name_end_code_point(start_code);
+
+  *rname_end = name_end = end;
+  r = 0;
+  pnum_head = *src;
+  is_num = 0;
+  sign = 1;
+
+  if (PEND) {
+    return ONIGERR_EMPTY_GROUP_NAME;
+  }
+  else {
+    PFETCH(c);
+    if (c == end_code)
+      return ONIGERR_EMPTY_GROUP_NAME;
+
+    if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
+      is_num = 1;
+    }
+    else if (c == '-') {
+      is_num = 2;
+      sign = -1;
+      pnum_head = p;
+    }
+    else {
+      r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
+    }
+  }
+
+  while (!PEND) {
+    name_end = p;
+
+    PFETCH(c);
+    if (c == end_code || c == ')') break;
+    if (! ONIGENC_IS_CODE_DIGIT(enc, c))
+      r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
+  }
+  if (r == 0 && c != end_code) {
+    r = ONIGERR_INVALID_GROUP_NAME;
+    name_end = end;
+  }
+
+  if (r == 0) {
+    *rback_num = onig_scan_unsigned_number(&pnum_head, name_end, enc);
+    if (*rback_num < 0) return ONIGERR_TOO_BIG_NUMBER;
+    else if (*rback_num == 0) {
+      r = ONIGERR_INVALID_GROUP_NAME;
+      goto err;
+    }
+    *rback_num *= sign;
+
+    *rname_end = name_end;
+    *src = p;
+    return 0;
+  }
+  else {
+  err:
+    onig_scan_env_set_error_string(env, r, *src, name_end);
+    return r;
+  }
+}
+#endif /* USE_NAMED_GROUP */
+
+static void
+CC_ESC_WARN(ScanEnv* env, UChar *c)
+{
+  if (onig_warn == onig_null_warn) return ;
+
+  if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_WARN_CC_OP_NOT_ESCAPED) &&
+      IS_SYNTAX_BV(env->syntax, ONIG_SYN_BACKSLASH_ESCAPE_IN_CC)) {
+    UChar buf[WARN_BUFSIZE];
+    onig_snprintf_with_pattern(buf, WARN_BUFSIZE, env->enc,
+		env->pattern, env->pattern_end,
+                (UChar* )"character class has '%s' without escape", c);
+    (*onig_warn)((char* )buf);
+  }
+}
+
+static void
+CLOSE_BRACKET_WITHOUT_ESC_WARN(ScanEnv* env, UChar* c)
+{
+  if (onig_warn == onig_null_warn) return ;
+
+  if (IS_SYNTAX_BV((env)->syntax, ONIG_SYN_WARN_CC_OP_NOT_ESCAPED)) {
+    UChar buf[WARN_BUFSIZE];
+    onig_snprintf_with_pattern(buf, WARN_BUFSIZE, (env)->enc,
+		(env)->pattern, (env)->pattern_end,
+		(UChar* )"regular expression has '%s' without escape", c);
+    (*onig_warn)((char* )buf);
+  }
+}
+
+static UChar*
+find_str_position(OnigCodePoint s[], int n, UChar* from, UChar* to,
+		  UChar **next, OnigEncoding enc)
+{
+  int i;
+  OnigCodePoint x;
+  UChar *q;
+  UChar *p = from;
+  
+  while (p < to) {
+    x = ONIGENC_MBC_TO_CODE(enc, p, to);
+    q = p + enclen(enc, p);
+    if (x == s[0]) {
+      for (i = 1; i < n && q < to; i++) {
+	x = ONIGENC_MBC_TO_CODE(enc, q, to);
+	if (x != s[i]) break;
+	q += enclen(enc, q);
+      }
+      if (i >= n) {
+	if (IS_NOT_NULL(next))
+	  *next = q;
+	return p;
+      }
+    }
+    p = q;
+  }
+  return NULL_UCHARP;
+}
+
+static int
+str_exist_check_with_esc(OnigCodePoint s[], int n, UChar* from, UChar* to,
+		 OnigCodePoint bad, OnigEncoding enc, OnigSyntaxType* syn)
+{
+  int i, in_esc;
+  OnigCodePoint x;
+  UChar *q;
+  UChar *p = from;
+
+  in_esc = 0;
+  while (p < to) {
+    if (in_esc) {
+      in_esc = 0;
+      p += enclen(enc, p);
+    }
+    else {
+      x = ONIGENC_MBC_TO_CODE(enc, p, to);
+      q = p + enclen(enc, p);
+      if (x == s[0]) {
+	for (i = 1; i < n && q < to; i++) {
+	  x = ONIGENC_MBC_TO_CODE(enc, q, to);
+	  if (x != s[i]) break;
+	  q += enclen(enc, q);
+	}
+	if (i >= n) return 1;
+	p += enclen(enc, p);
+      }
+      else {
+	x = ONIGENC_MBC_TO_CODE(enc, p, to);
+	if (x == bad) return 0;
+	else if (x == MC_ESC(syn)) in_esc = 1;
+	p = q;
+      }
+    }
+  }
+  return 0;
+}
+
+static int
+fetch_token_in_cc(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
+{
+  int num;
+  OnigCodePoint c, c2;
+  OnigSyntaxType* syn = env->syntax;
+  OnigEncoding enc = env->enc;
+  UChar* prev;
+  UChar* p = *src;
+  PFETCH_READY;
+
+  if (PEND) {
+    tok->type = TK_EOT;
+    return tok->type;
+  }
+
+  PFETCH(c);
+  tok->type = TK_CHAR;
+  tok->base = 0;
+  tok->u.c  = c;
+  tok->escaped = 0;
+
+  if (c == ']') {
+    tok->type = TK_CC_CLOSE;
+  }
+  else if (c == '-') {
+    tok->type = TK_CC_RANGE;
+  }
+  else if (c == MC_ESC(syn)) {
+    if (! IS_SYNTAX_BV(syn, ONIG_SYN_BACKSLASH_ESCAPE_IN_CC))
+      goto end;
+
+    if (PEND) return ONIGERR_END_PATTERN_AT_ESCAPE;
+
+    PFETCH(c);
+    tok->escaped = 1;
+    tok->u.c = c;
+    switch (c) {
+    case 'w':
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_WORD;
+      tok->u.prop.not   = 0;
+      break;
+    case 'W':
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_WORD;
+      tok->u.prop.not   = 1;
+      break;
+    case 'd':
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_DIGIT;
+      tok->u.prop.not   = 0;
+      break;
+    case 'D':
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_DIGIT;
+      tok->u.prop.not   = 1;
+      break;
+    case 's':
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_SPACE;
+      tok->u.prop.not   = 0;
+      break;
+    case 'S':
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_SPACE;
+      tok->u.prop.not   = 1;
+      break;
+    case 'h':
+      if (! IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_H_XDIGIT)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_XDIGIT;
+      tok->u.prop.not   = 0;
+      break;
+    case 'H':
+      if (! IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_H_XDIGIT)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_XDIGIT;
+      tok->u.prop.not   = 1;
+      break;
+
+    case 'p':
+    case 'P':
+      c2 = PPEEK;
+      if (c2 == '{' &&
+	  IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY)) {
+	PINC;
+	tok->type = TK_CHAR_PROPERTY;
+	tok->u.prop.not = (c == 'P' ? 1 : 0);
+
+	if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT)) {
+	  PFETCH(c2);
+	  if (c2 == '^') {
+	    tok->u.prop.not = (tok->u.prop.not == 0 ? 1 : 0);
+	  }
+	  else
+	    PUNFETCH;
+	}
+      }
+      break;
+
+    case 'x':
+      if (PEND) break;
+
+      prev = p;
+      if (PPEEK_IS('{') && IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_X_BRACE_HEX8)) {
+	PINC;
+	num = scan_unsigned_hexadecimal_number(&p, end, 8, enc);
+	if (num < 0) return ONIGERR_TOO_BIG_WIDE_CHAR_VALUE;
+	if (!PEND) {
+          c2 = PPEEK;
+          if (ONIGENC_IS_CODE_XDIGIT(enc, c2))
+            return ONIGERR_TOO_LONG_WIDE_CHAR_VALUE;
+        }
+
+	if (p > prev + enclen(enc, prev) && !PEND && (PPEEK_IS('}'))) {
+	  PINC;
+	  tok->type   = TK_CODE_POINT;
+	  tok->base   = 16;
+	  tok->u.code = (OnigCodePoint )num;
+	}
+	else {
+	  /* can't read nothing or invalid format */
+	  p = prev;
+	}
+      }
+      else if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_X_HEX2)) {
+	num = scan_unsigned_hexadecimal_number(&p, end, 2, enc);
+	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (p == prev) {  /* can't read nothing. */
+	  num = 0; /* but, it's not error */
+	}
+	tok->type = TK_RAW_BYTE;
+	tok->base = 16;
+	tok->u.c  = num;
+      }
+      break;
+
+    case 'u':
+      if (PEND) break;
+
+      prev = p;
+      if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_U_HEX4)) {
+	num = scan_unsigned_hexadecimal_number(&p, end, 4, enc);
+	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (p == prev) {  /* can't read nothing. */
+	  num = 0; /* but, it's not error */
+	}
+	tok->type   = TK_CODE_POINT;
+	tok->base   = 16;
+	tok->u.code = (OnigCodePoint )num;
+      }
+      break;
+
+    case '0':
+    case '1': case '2': case '3': case '4': case '5': case '6': case '7':
+      if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_OCTAL3)) {
+	PUNFETCH;
+	prev = p;
+	num = scan_unsigned_octal_number(&p, end, 3, enc);
+	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (p == prev) {  /* can't read nothing. */
+	  num = 0; /* but, it's not error */
+	}
+	tok->type = TK_RAW_BYTE;
+	tok->base = 8;
+	tok->u.c  = num;
+      }
+      break;
+
+    default:
+      PUNFETCH;
+      num = fetch_escaped_value(&p, end, env);
+      if (num < 0) return num;
+      if (tok->u.c != num) {
+	tok->u.code = (OnigCodePoint )num;
+	tok->type   = TK_CODE_POINT;
+      }
+      break;
+    }
+  }
+  else if (c == '[') {
+    if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_POSIX_BRACKET) && (PPEEK_IS(':'))) {
+      OnigCodePoint send[] = { (OnigCodePoint )':', (OnigCodePoint )']' };
+      tok->backp = p; /* point at '[' is readed */
+      PINC;
+      if (str_exist_check_with_esc(send, 2, p, end,
+                                   (OnigCodePoint )']', enc, syn)) {
+	tok->type = TK_POSIX_BRACKET_OPEN;
+      }
+      else {
+	PUNFETCH;
+	goto cc_in_cc;
+      }
+    }
+    else {
+    cc_in_cc:
+      if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_CCLASS_SET_OP)) {
+	tok->type = TK_CC_CC_OPEN;
+      }
+      else {
+	CC_ESC_WARN(env, (UChar* )"[");
+      }
+    }
+  }
+  else if (c == '&') {
+    if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_CCLASS_SET_OP) &&
+	!PEND && (PPEEK_IS('&'))) {
+      PINC;
+      tok->type = TK_CC_AND;
+    }
+  }
+
+ end:
+  *src = p;
+  return tok->type;
+}
+
+static int
+fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
+{
+  int r, num;
+  OnigCodePoint c;
+  OnigEncoding enc = env->enc;
+  OnigSyntaxType* syn = env->syntax;
+  UChar* prev;
+  UChar* p = *src;
+  PFETCH_READY;
+
+ start:
+  if (PEND) {
+    tok->type = TK_EOT;
+    return tok->type;
+  }
+
+  tok->type  = TK_STRING;
+  tok->base  = 0;
+  tok->backp = p;
+
+  PFETCH(c);
+  if (IS_MC_ESC_CODE(c, syn)) {
+    if (PEND) return ONIGERR_END_PATTERN_AT_ESCAPE;
+
+    tok->backp = p;
+    PFETCH(c);
+
+    tok->u.c = c;
+    tok->escaped = 1;
+    switch (c) {
+    case '*':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_ASTERISK_ZERO_INF)) break;
+      tok->type = TK_OP_REPEAT;
+      tok->u.repeat.lower = 0;
+      tok->u.repeat.upper = REPEAT_INFINITE;
+      goto greedy_check;
+      break;
+
+    case '+':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_PLUS_ONE_INF)) break;
+      tok->type = TK_OP_REPEAT;
+      tok->u.repeat.lower = 1;
+      tok->u.repeat.upper = REPEAT_INFINITE;
+      goto greedy_check;
+      break;
+
+    case '?':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_QMARK_ZERO_ONE)) break;
+      tok->type = TK_OP_REPEAT;
+      tok->u.repeat.lower = 0;
+      tok->u.repeat.upper = 1;
+    greedy_check:
+      if (!PEND && PPEEK_IS('?') &&
+	  IS_SYNTAX_OP(syn, ONIG_SYN_OP_QMARK_NON_GREEDY)) {
+	PFETCH(c);
+	tok->u.repeat.greedy     = 0;
+	tok->u.repeat.possessive = 0;
+      }
+      else {
+      possessive_check:
+	if (!PEND && PPEEK_IS('+') &&
+	    ((IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT) &&
+	      tok->type != TK_INTERVAL)  ||
+	     (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL) &&
+	      tok->type == TK_INTERVAL))) {
+	  PFETCH(c);
+	  tok->u.repeat.greedy     = 1;
+	  tok->u.repeat.possessive = 1;
+	}
+	else {
+	  tok->u.repeat.greedy     = 1;
+	  tok->u.repeat.possessive = 0;
+	}
+      }
+      break;
+
+    case '{':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_BRACE_INTERVAL)) break;
+      r = fetch_range_quantifier(&p, end, tok, env);
+      if (r < 0) return r;  /* error */
+      if (r == 0) goto greedy_check;
+      else if (r == 2) { /* {n} */
+	if (IS_SYNTAX_BV(syn, ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY))
+	  goto possessive_check;
+
+	goto greedy_check;
+      }
+      /* r == 1 : normal char */
+      break;
+
+    case '|':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_VBAR_ALT)) break;
+      tok->type = TK_ALT;
+      break;
+
+    case '(':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_LPAREN_SUBEXP)) break;
+      tok->type = TK_SUBEXP_OPEN;
+      break;
+
+    case ')':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_LPAREN_SUBEXP)) break;
+      tok->type = TK_SUBEXP_CLOSE;
+      break;
+
+    case 'w':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_W_WORD)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_WORD;
+      tok->u.prop.not   = 0;
+      break;
+
+    case 'W':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_W_WORD)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_WORD;
+      tok->u.prop.not   = 1;
+      break;
+
+    case 'b':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_B_WORD_BOUND)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.anchor = ANCHOR_WORD_BOUND;
+      break;
+
+    case 'B':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_B_WORD_BOUND)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.anchor = ANCHOR_NOT_WORD_BOUND;
+      break;
+
+#ifdef USE_WORD_BEGIN_END
+    case '<':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.anchor = ANCHOR_WORD_BEGIN;
+      break;
+
+    case '>':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.anchor = ANCHOR_WORD_END;
+      break;
+#endif
+
+    case 's':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_S_WHITE_SPACE)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_SPACE;
+      tok->u.prop.not   = 0;
+      break;
+
+    case 'S':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_S_WHITE_SPACE)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_SPACE;
+      tok->u.prop.not   = 1;
+      break;
+
+    case 'd':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_D_DIGIT)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_DIGIT;
+      tok->u.prop.not   = 0;
+      break;
+
+    case 'D':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_D_DIGIT)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_DIGIT;
+      tok->u.prop.not   = 1;
+      break;
+
+    case 'h':
+      if (! IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_H_XDIGIT)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_XDIGIT;
+      tok->u.prop.not   = 0;
+      break;
+
+    case 'H':
+      if (! IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_H_XDIGIT)) break;
+      tok->type = TK_CHAR_TYPE;
+      tok->u.prop.ctype = ONIGENC_CTYPE_XDIGIT;
+      tok->u.prop.not   = 1;
+      break;
+
+    case 'A':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR)) break;
+    begin_buf:
+      tok->type = TK_ANCHOR;
+      tok->u.subtype = ANCHOR_BEGIN_BUF;
+      break;
+
+    case 'Z':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.subtype = ANCHOR_SEMI_END_BUF;
+      break;
+
+    case 'z':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR)) break;
+    end_buf:
+      tok->type = TK_ANCHOR;
+      tok->u.subtype = ANCHOR_END_BUF;
+      break;
+
+    case 'G':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.subtype = ANCHOR_BEGIN_POSITION;
+      break;
+
+    case '`':
+      if (! IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR)) break;
+      goto begin_buf;
+      break;
+
+    case '\'':
+      if (! IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR)) break;
+      goto end_buf;
+      break;
+
+    case 'x':
+      if (PEND) break;
+
+      prev = p;
+      if (PPEEK_IS('{') && IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_X_BRACE_HEX8)) {
+	PINC;
+	num = scan_unsigned_hexadecimal_number(&p, end, 8, enc);
+	if (num < 0) return ONIGERR_TOO_BIG_WIDE_CHAR_VALUE;
+	if (!PEND) {
+          if (ONIGENC_IS_CODE_XDIGIT(enc, PPEEK))
+            return ONIGERR_TOO_LONG_WIDE_CHAR_VALUE;
+        }
+
+	if ((p > prev + enclen(enc, prev)) && !PEND && PPEEK_IS('}')) {
+	  PINC;
+	  tok->type   = TK_CODE_POINT;
+	  tok->u.code = (OnigCodePoint )num;
+	}
+	else {
+	  /* can't read nothing or invalid format */
+	  p = prev;
+	}
+      }
+      else if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_X_HEX2)) {
+	num = scan_unsigned_hexadecimal_number(&p, end, 2, enc);
+	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (p == prev) {  /* can't read nothing. */
+	  num = 0; /* but, it's not error */
+	}
+	tok->type = TK_RAW_BYTE;
+	tok->base = 16;
+	tok->u.c  = num;
+      }
+      break;
+
+    case 'u':
+      if (PEND) break;
+
+      prev = p;
+      if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_U_HEX4)) {
+	num = scan_unsigned_hexadecimal_number(&p, end, 4, enc);
+	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (p == prev) {  /* can't read nothing. */
+	  num = 0; /* but, it's not error */
+	}
+	tok->type   = TK_CODE_POINT;
+	tok->base   = 16;
+	tok->u.code = (OnigCodePoint )num;
+      }
+      break;
+
+    case '1': case '2': case '3': case '4':
+    case '5': case '6': case '7': case '8': case '9':
+      PUNFETCH;
+      prev = p;
+      num = onig_scan_unsigned_number(&p, end, enc);
+      if (num < 0 || num > ONIG_MAX_BACKREF_NUM) {
+        goto skip_backref;
+      }
+
+      if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_DECIMAL_BACKREF) && 
+	  (num <= env->num_mem || num <= 9)) { /* This spec. from GNU regex */
+	if (IS_SYNTAX_BV(syn, ONIG_SYN_STRICT_CHECK_BACKREF)) {
+	  if (num > env->num_mem || IS_NULL(SCANENV_MEM_NODES(env)[num]))
+	    return ONIGERR_INVALID_BACKREF;
+	}
+
+	tok->type = TK_BACKREF;
+	tok->u.backref.num     = 1;
+	tok->u.backref.ref1    = num;
+	tok->u.backref.by_name = 0;
+#ifdef USE_BACKREF_WITH_LEVEL
+	tok->u.backref.exist_level = 0;
+#endif
+	break;
+      }
+
+    skip_backref:
+      if (c == '8' || c == '9') {
+	/* normal char */
+	p = prev; PINC;
+	break;
+      }
+
+      p = prev;
+      /* fall through */
+    case '0':
+      if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_ESC_OCTAL3)) {
+	prev = p;
+	num = scan_unsigned_octal_number(&p, end, (c == '0' ? 2:3), enc);
+	if (num < 0) return ONIGERR_TOO_BIG_NUMBER;
+	if (p == prev) {  /* can't read nothing. */
+	  num = 0; /* but, it's not error */
+	}
+	tok->type = TK_RAW_BYTE;
+	tok->base = 8;
+	tok->u.c  = num;
+      }
+      else if (c != '0') {
+	PINC;
+      }
+      break;
+
+#ifdef USE_NAMED_GROUP
+    case 'k':
+      if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_K_NAMED_BACKREF)) {
+	PFETCH(c);
+	if (c == '<' || c == '\'') {
+	  UChar* name_end;
+	  int* backs;
+	  int back_num;
+
+	  prev = p;
+
+#ifdef USE_BACKREF_WITH_LEVEL
+	  name_end = NULL_UCHARP; /* no need. escape gcc warning. */
+	  r = fetch_name_with_level((OnigCodePoint )c, &p, end, &name_end,
+				    env, &back_num, &tok->u.backref.level);
+	  if (r == 1) tok->u.backref.exist_level = 1;
+	  else        tok->u.backref.exist_level = 0;
+#else
+	  r = fetch_name(&p, end, &name_end, env, &back_num, 1);
+#endif
+	  if (r < 0) return r;
+
+	  if (back_num != 0) {
+	    if (back_num < 0) {
+	      back_num = BACKREF_REL_TO_ABS(back_num, env);
+	      if (back_num <= 0)
+		return ONIGERR_INVALID_BACKREF;
+	    }
+
+	    if (IS_SYNTAX_BV(syn, ONIG_SYN_STRICT_CHECK_BACKREF)) {
+	      if (back_num > env->num_mem ||
+		  IS_NULL(SCANENV_MEM_NODES(env)[back_num]))
+		return ONIGERR_INVALID_BACKREF;
+	    }
+	    tok->type = TK_BACKREF;
+	    tok->u.backref.by_name = 0;
+	    tok->u.backref.num  = 1;
+	    tok->u.backref.ref1 = back_num;
+	  }
+	  else {
+	    num = onig_name_to_group_numbers(env->reg, prev, name_end, &backs);
+	    if (num <= 0) {
+	      onig_scan_env_set_error_string(env,
+			     ONIGERR_UNDEFINED_NAME_REFERENCE, prev, name_end);
+	      return ONIGERR_UNDEFINED_NAME_REFERENCE;
+	    }
+	    if (IS_SYNTAX_BV(syn, ONIG_SYN_STRICT_CHECK_BACKREF)) {
+	      int i;
+	      for (i = 0; i < num; i++) {
+		if (backs[i] > env->num_mem ||
+		    IS_NULL(SCANENV_MEM_NODES(env)[backs[i]]))
+		  return ONIGERR_INVALID_BACKREF;
+	      }
+	    }
+
+	    tok->type = TK_BACKREF;
+	    tok->u.backref.by_name = 1;
+	    if (num == 1) {
+	      tok->u.backref.num  = 1;
+	      tok->u.backref.ref1 = backs[0];
+	    }
+	    else {
+	      tok->u.backref.num  = num;
+	      tok->u.backref.refs = backs;
+	    }
+	  }
+	}
+	else
+	  PUNFETCH;
+      }
+      break;
+#endif
+
+#ifdef USE_SUBEXP_CALL
+    case 'g':
+      if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_G_SUBEXP_CALL)) {
+	PFETCH(c);
+	if (c == '<' || c == '\'') {
+	  int gnum;
+	  UChar* name_end;
+
+	  prev = p;
+	  r = fetch_name((OnigCodePoint )c, &p, end, &name_end, env, &gnum, 1);
+	  if (r < 0) return r;
+
+	  tok->type = TK_CALL;
+	  tok->u.call.name     = prev;
+	  tok->u.call.name_end = name_end;
+	  tok->u.call.gnum     = gnum;
+	}
+	else
+	  PUNFETCH;
+      }
+      break;
+#endif
+
+    case 'Q':
+      if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE)) {
+	tok->type = TK_QUOTE_OPEN;
+      }
+      break;
+
+    case 'p':
+    case 'P':
+      if (PPEEK_IS('{') &&
+	  IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY)) {
+	PINC;
+	tok->type = TK_CHAR_PROPERTY;
+	tok->u.prop.not = (c == 'P' ? 1 : 0);
+
+	if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT)) {
+	  PFETCH(c);
+	  if (c == '^') {
+	    tok->u.prop.not = (tok->u.prop.not == 0 ? 1 : 0);
+	  }
+	  else
+	    PUNFETCH;
+	}
+      }
+      break;
+
+    default:
+      PUNFETCH;
+      num = fetch_escaped_value(&p, end, env);
+      if (num < 0) return num;
+      /* set_raw: */
+      if (tok->u.c != num) {
+	tok->type = TK_CODE_POINT;
+	tok->u.code = (OnigCodePoint )num;
+      }
+      else { /* string */
+	p = tok->backp + enclen(enc, tok->backp);
+      }
+      break;
+    }
+  }
+  else {
+    tok->u.c = c;
+    tok->escaped = 0;
+
+#ifdef USE_VARIABLE_META_CHARS
+    if ((c != ONIG_INEFFECTIVE_META_CHAR) &&
+	IS_SYNTAX_OP(syn, ONIG_SYN_OP_VARIABLE_META_CHARACTERS)) {
+      if (c == MC_ANYCHAR(syn))
+	goto any_char;
+      else if (c == MC_ANYTIME(syn))
+	goto anytime;
+      else if (c == MC_ZERO_OR_ONE_TIME(syn))
+	goto zero_or_one_time;
+      else if (c == MC_ONE_OR_MORE_TIME(syn))
+	goto one_or_more_time;
+      else if (c == MC_ANYCHAR_ANYTIME(syn)) {
+	tok->type = TK_ANYCHAR_ANYTIME;
+	goto out;
+      }
+    }
+#endif
+
+    switch (c) {
+    case '.':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_DOT_ANYCHAR)) break;
+#ifdef USE_VARIABLE_META_CHARS
+    any_char:
+#endif
+      tok->type = TK_ANYCHAR;
+      break;
+
+    case '*':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_ASTERISK_ZERO_INF)) break;
+#ifdef USE_VARIABLE_META_CHARS
+    anytime:
+#endif
+      tok->type = TK_OP_REPEAT;
+      tok->u.repeat.lower = 0;
+      tok->u.repeat.upper = REPEAT_INFINITE;
+      goto greedy_check;
+      break;
+
+    case '+':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_PLUS_ONE_INF)) break;
+#ifdef USE_VARIABLE_META_CHARS
+    one_or_more_time:
+#endif
+      tok->type = TK_OP_REPEAT;
+      tok->u.repeat.lower = 1;
+      tok->u.repeat.upper = REPEAT_INFINITE;
+      goto greedy_check;
+      break;
+
+    case '?':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_QMARK_ZERO_ONE)) break;
+#ifdef USE_VARIABLE_META_CHARS
+    zero_or_one_time:
+#endif
+      tok->type = TK_OP_REPEAT;
+      tok->u.repeat.lower = 0;
+      tok->u.repeat.upper = 1;
+      goto greedy_check;
+      break;
+
+    case '{':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_BRACE_INTERVAL)) break;
+      r = fetch_range_quantifier(&p, end, tok, env);
+      if (r < 0) return r;  /* error */
+      if (r == 0) goto greedy_check;
+      else if (r == 2) { /* {n} */
+	if (IS_SYNTAX_BV(syn, ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY))
+	  goto possessive_check;
+
+	goto greedy_check;
+      }
+      /* r == 1 : normal char */
+      break;
+
+    case '|':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_VBAR_ALT)) break;
+      tok->type = TK_ALT;
+      break;
+
+    case '(':
+      if (PPEEK_IS('?') &&
+          IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_QMARK_GROUP_EFFECT)) {
+        PINC;
+        if (PPEEK_IS('#')) {
+          PFETCH(c);
+          while (1) {
+            if (PEND) return ONIGERR_END_PATTERN_IN_GROUP;
+            PFETCH(c);
+            if (c == MC_ESC(syn)) {
+              if (!PEND) PFETCH(c);
+            }
+            else {
+              if (c == ')') break;
+            }
+          }
+          goto start;
+        }
+        PUNFETCH;
+      }
+
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_LPAREN_SUBEXP)) break;
+      tok->type = TK_SUBEXP_OPEN;
+      break;
+
+    case ')':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_LPAREN_SUBEXP)) break;
+      tok->type = TK_SUBEXP_CLOSE;
+      break;
+
+    case '^':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_LINE_ANCHOR)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.subtype = (IS_SINGLELINE(env->option)
+			? ANCHOR_BEGIN_BUF : ANCHOR_BEGIN_LINE);
+      break;
+
+    case '$':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_LINE_ANCHOR)) break;
+      tok->type = TK_ANCHOR;
+      tok->u.subtype = (IS_SINGLELINE(env->option)
+			? ANCHOR_SEMI_END_BUF : ANCHOR_END_LINE);
+      break;
+
+    case '[':
+      if (! IS_SYNTAX_OP(syn, ONIG_SYN_OP_BRACKET_CC)) break;
+      tok->type = TK_CC_OPEN;
+      break;
+
+    case ']':
+      if (*src > env->pattern)   /* /].../ is allowed. */
+	CLOSE_BRACKET_WITHOUT_ESC_WARN(env, (UChar* )"]");
+      break;
+
+    case '#':
+      if (IS_EXTEND(env->option)) {
+	while (!PEND) {
+	  PFETCH(c);
+	  if (ONIGENC_IS_CODE_NEWLINE(enc, c))
+	    break;
+	}
+	goto start;
+	break;
+      }
+      break;
+
+    case ' ': case '\t': case '\n': case '\r': case '\f':
+      if (IS_EXTEND(env->option))
+	goto start;
+      break;
+
+    default:
+      /* string */
+      break;
+    }
+  }
+
+#ifdef USE_VARIABLE_META_CHARS
+ out:
+#endif
+  *src = p;
+  return tok->type;
+}
+
+static int
+add_ctype_to_cc_by_range(CClassNode* cc, int ctype ARG_UNUSED, int not,
+			 OnigEncoding enc ARG_UNUSED,
+                         OnigCodePoint sb_out, const OnigCodePoint mbr[])
+{
+  int i, r;
+  OnigCodePoint j;
+
+  int n = ONIGENC_CODE_RANGE_NUM(mbr);
+
+  if (not == 0) {
+    for (i = 0; i < n; i++) {
+      for (j  = ONIGENC_CODE_RANGE_FROM(mbr, i);
+           j <= ONIGENC_CODE_RANGE_TO(mbr, i); j++) {
+	if (j >= sb_out) {
+	  if (j == ONIGENC_CODE_RANGE_TO(mbr, i)) i++;
+	  else if (j > ONIGENC_CODE_RANGE_FROM(mbr, i)) {
+	    r = add_code_range_to_buf(&(cc->mbuf), j,
+				      ONIGENC_CODE_RANGE_TO(mbr, i));
+	    if (r != 0) return r;
+	    i++;
+	  }
+
+	  goto sb_end;
+	}
+        BITSET_SET_BIT(cc->bs, j);
+      }
+    }
+
+  sb_end:
+    for ( ; i < n; i++) {
+      r = add_code_range_to_buf(&(cc->mbuf),
+                                ONIGENC_CODE_RANGE_FROM(mbr, i),
+                                ONIGENC_CODE_RANGE_TO(mbr, i));
+      if (r != 0) return r;
+    }
+  }
+  else {
+    OnigCodePoint prev = 0;
+
+    for (i = 0; i < n; i++) {
+      for (j = prev;
+	   j < ONIGENC_CODE_RANGE_FROM(mbr, i); j++) {
+	if (j >= sb_out) {
+	  goto sb_end2;
+	}
+	BITSET_SET_BIT(cc->bs, j);
+      }
+      prev = ONIGENC_CODE_RANGE_TO(mbr, i) + 1;
+    }
+    for (j = prev; j < sb_out; j++) {
+      BITSET_SET_BIT(cc->bs, j);
+    }
+
+  sb_end2:
+    prev = sb_out;
+
+    for (i = 0; i < n; i++) {
+      if (prev < ONIGENC_CODE_RANGE_FROM(mbr, i)) {
+	r = add_code_range_to_buf(&(cc->mbuf), prev,
+                                  ONIGENC_CODE_RANGE_FROM(mbr, i) - 1);
+	if (r != 0) return r;
+      }
+      prev = ONIGENC_CODE_RANGE_TO(mbr, i) + 1;
+    }
+    if (prev < 0x7fffffff) {
+      r = add_code_range_to_buf(&(cc->mbuf), prev, 0x7fffffff);
+      if (r != 0) return r;
+    }
+  }
+
+  return 0;
+}
+
+static int
+add_ctype_to_cc(CClassNode* cc, int ctype, int not, ScanEnv* env)
+{
+  int c, r;
+  const OnigCodePoint *ranges;
+  OnigCodePoint sb_out;
+  OnigEncoding enc = env->enc;
+
+  r = ONIGENC_GET_CTYPE_CODE_RANGE(enc, ctype, &sb_out, &ranges);
+  if (r == 0) {
+    return add_ctype_to_cc_by_range(cc, ctype, not, env->enc, sb_out, ranges);
+  }
+  else if (r != ONIG_NO_SUPPORT_CONFIG) {
+    return r;
+  }
+
+  r = 0;
+  switch (ctype) {
+  case ONIGENC_CTYPE_ALPHA:
+  case ONIGENC_CTYPE_BLANK:
+  case ONIGENC_CTYPE_CNTRL:
+  case ONIGENC_CTYPE_DIGIT:
+  case ONIGENC_CTYPE_LOWER:
+  case ONIGENC_CTYPE_PUNCT:
+  case ONIGENC_CTYPE_SPACE:
+  case ONIGENC_CTYPE_UPPER:
+  case ONIGENC_CTYPE_XDIGIT:
+  case ONIGENC_CTYPE_ASCII:
+  case ONIGENC_CTYPE_ALNUM:
+    if (not != 0) {
+      for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
+	if (! ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
+	  BITSET_SET_BIT(cc->bs, c);
+      }
+      ADD_ALL_MULTI_BYTE_RANGE(enc, cc->mbuf);
+    }
+    else {
+      for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
+	if (ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
+	  BITSET_SET_BIT(cc->bs, c);
+      }
+    }
+    break;
+
+  case ONIGENC_CTYPE_GRAPH:
+  case ONIGENC_CTYPE_PRINT:
+    if (not != 0) {
+      for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
+	if (! ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
+	  BITSET_SET_BIT(cc->bs, c);
+      }
+    }
+    else {
+      for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
+	if (ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
+	  BITSET_SET_BIT(cc->bs, c);
+      }
+      ADD_ALL_MULTI_BYTE_RANGE(enc, cc->mbuf);
+    }
+    break;
+
+  case ONIGENC_CTYPE_WORD:
+    if (not == 0) {
+      for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
+	if (IS_CODE_SB_WORD(enc, c)) BITSET_SET_BIT(cc->bs, c);
+      }
+      ADD_ALL_MULTI_BYTE_RANGE(enc, cc->mbuf);
+    }
+    else {
+      for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
+        if ((ONIGENC_CODE_TO_MBCLEN(enc, c) > 0) /* check invalid code point */
+	    && ! ONIGENC_IS_CODE_WORD(enc, c))
+	  BITSET_SET_BIT(cc->bs, c);
+      }
+    }
+    break;
+
+  default:
+    return ONIGERR_PARSER_BUG;
+    break;
+  }
+
+  return r;
+}
+
+static int
+parse_posix_bracket(CClassNode* cc, UChar** src, UChar* end, ScanEnv* env)
+{
+#define POSIX_BRACKET_CHECK_LIMIT_LENGTH  20
+#define POSIX_BRACKET_NAME_MIN_LEN         4
+
+  static PosixBracketEntryType PBS[] = {
+    { (UChar* )"alnum",  ONIGENC_CTYPE_ALNUM,  5 },
+    { (UChar* )"alpha",  ONIGENC_CTYPE_ALPHA,  5 },
+    { (UChar* )"blank",  ONIGENC_CTYPE_BLANK,  5 },
+    { (UChar* )"cntrl",  ONIGENC_CTYPE_CNTRL,  5 },
+    { (UChar* )"digit",  ONIGENC_CTYPE_DIGIT,  5 },
+    { (UChar* )"graph",  ONIGENC_CTYPE_GRAPH,  5 },
+    { (UChar* )"lower",  ONIGENC_CTYPE_LOWER,  5 },
+    { (UChar* )"print",  ONIGENC_CTYPE_PRINT,  5 },
+    { (UChar* )"punct",  ONIGENC_CTYPE_PUNCT,  5 },
+    { (UChar* )"space",  ONIGENC_CTYPE_SPACE,  5 },
+    { (UChar* )"upper",  ONIGENC_CTYPE_UPPER,  5 },
+    { (UChar* )"xdigit", ONIGENC_CTYPE_XDIGIT, 6 },
+    { (UChar* )"ascii",  ONIGENC_CTYPE_ASCII,  5 },
+    { (UChar* )"word",   ONIGENC_CTYPE_WORD,   4 },
+    { (UChar* )NULL,     -1, 0 }
+  };
+
+  PosixBracketEntryType *pb;
+  int not, i, r;
+  OnigCodePoint c;
+  OnigEncoding enc = env->enc;
+  UChar *p = *src;
+
+  if (PPEEK_IS('^')) {
+    PINC_S;
+    not = 1;
+  }
+  else
+    not = 0;
+
+  if (onigenc_strlen(enc, p, end) < POSIX_BRACKET_NAME_MIN_LEN + 3)
+    goto not_posix_bracket;
+
+  for (pb = PBS; IS_NOT_NULL(pb->name); pb++) {
+    if (onigenc_with_ascii_strncmp(enc, p, end, pb->name, pb->len) == 0) {
+      p = (UChar* )onigenc_step(enc, p, end, pb->len);
+      if (onigenc_with_ascii_strncmp(enc, p, end, (UChar* )":]", 2) != 0)
+        return ONIGERR_INVALID_POSIX_BRACKET_TYPE;
+
+      r = add_ctype_to_cc(cc, pb->ctype, not, env);
+      if (r != 0) return r;
+
+      PINC_S; PINC_S;
+      *src = p;
+      return 0;
+    }
+  }
+
+ not_posix_bracket:
+  c = 0;
+  i = 0;
+  while (!PEND && ((c = PPEEK) != ':') && c != ']') {
+    PINC_S;
+    if (++i > POSIX_BRACKET_CHECK_LIMIT_LENGTH) break;
+  }
+  if (c == ':' && ! PEND) {
+    PINC_S;
+    if (! PEND) {
+      PFETCH_S(c);
+      if (c == ']')
+        return ONIGERR_INVALID_POSIX_BRACKET_TYPE;
+    }
+  }
+
+  return 1;  /* 1: is not POSIX bracket, but no error. */
+}
+
+static int
+fetch_char_property_to_ctype(UChar** src, UChar* end, ScanEnv* env)
+{
+  int r;
+  OnigCodePoint c;
+  OnigEncoding enc = env->enc;
+  UChar *prev, *start, *p = *src;
+
+  r = 0;
+  start = prev = p;
+
+  while (!PEND) {
+    prev = p;
+    PFETCH_S(c);
+    if (c == '}') {
+      r = ONIGENC_PROPERTY_NAME_TO_CTYPE(enc, start, prev);
+      if (r < 0) break;
+
+      *src = p;
+      return r;
+    }
+    else if (c == '(' || c == ')' || c == '{' || c == '|') {
+      r = ONIGERR_INVALID_CHAR_PROPERTY_NAME;
+      break;
+    }
+  }
+
+  onig_scan_env_set_error_string(env, r, *src, prev);
+  return r;
+}
+
+static int
+parse_char_property(Node** np, OnigToken* tok, UChar** src, UChar* end,
+		    ScanEnv* env)
+{
+  int r, ctype;
+  CClassNode* cc;
+
+  ctype = fetch_char_property_to_ctype(src, end, env);
+  if (ctype < 0) return ctype;
+
+  *np = node_new_cclass();
+  CHECK_NULL_RETURN_MEMERR(*np);
+  cc = NCCLASS(*np);
+  r = add_ctype_to_cc(cc, ctype, 0, env);
+  if (r != 0) return r;
+  if (tok->u.prop.not != 0) NCCLASS_SET_NOT(cc);
+
+  return 0;
+}
+
+
+enum CCSTATE {
+  CCS_VALUE,
+  CCS_RANGE,
+  CCS_COMPLETE,
+  CCS_START
+};
+
+enum CCVALTYPE {
+  CCV_SB,
+  CCV_CODE_POINT,
+  CCV_CLASS
+};
+
+static int
+next_state_class(CClassNode* cc, OnigCodePoint* vs, enum CCVALTYPE* type,
+		 enum CCSTATE* state, ScanEnv* env)
+{
+  int r;
+
+  if (*state == CCS_RANGE)
+    return ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE;
+
+  if (*state == CCS_VALUE && *type != CCV_CLASS) {
+    if (*type == CCV_SB)
+      BITSET_SET_BIT(cc->bs, (int )(*vs));
+    else if (*type == CCV_CODE_POINT) {
+      r = add_code_range(&(cc->mbuf), env, *vs, *vs);
+      if (r < 0) return r;
+    }
+  }
+
+  *state = CCS_VALUE;
+  *type  = CCV_CLASS;
+  return 0;
+}
+
+static int
+next_state_val(CClassNode* cc, OnigCodePoint *vs, OnigCodePoint v,
+	       int* vs_israw, int v_israw,
+	       enum CCVALTYPE intype, enum CCVALTYPE* type,
+	       enum CCSTATE* state, ScanEnv* env)
+{
+  int r;
+
+  switch (*state) {
+  case CCS_VALUE:
+    if (*type == CCV_SB)
+      BITSET_SET_BIT(cc->bs, (int )(*vs));
+    else if (*type == CCV_CODE_POINT) {
+      r = add_code_range(&(cc->mbuf), env, *vs, *vs);
+      if (r < 0) return r;
+    }
+    break;
+
+  case CCS_RANGE:
+    if (intype == *type) {
+      if (intype == CCV_SB) {
+        if (*vs > 0xff || v > 0xff)
+          return ONIGERR_INVALID_CODE_POINT_VALUE;
+
+	if (*vs > v) {
+	  if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC))
+	    goto ccs_range_end;
+	  else
+	    return ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS;
+	}
+	bitset_set_range(cc->bs, (int )*vs, (int )v);
+      }
+      else {
+	r = add_code_range(&(cc->mbuf), env, *vs, v);
+	if (r < 0) return r;
+      }
+    }
+    else {
+#if 0
+      if (intype == CCV_CODE_POINT && *type == CCV_SB) {
+#endif
+	if (*vs > v) {
+	  if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC))
+	    goto ccs_range_end;
+	  else
+	    return ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS;
+	}
+	bitset_set_range(cc->bs, (int )*vs, (int )(v < 0xff ? v : 0xff));
+	r = add_code_range(&(cc->mbuf), env, (OnigCodePoint )*vs, v);
+	if (r < 0) return r;
+#if 0
+      }
+      else
+	return ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE;
+#endif
+    }
+  ccs_range_end:
+    *state = CCS_COMPLETE;
+    break;
+
+  case CCS_COMPLETE:
+  case CCS_START:
+    *state = CCS_VALUE;
+    break;
+
+  default:
+    break;
+  }
+
+  *vs_israw = v_israw;
+  *vs       = v;
+  *type     = intype;
+  return 0;
+}
+
+static int
+code_exist_check(OnigCodePoint c, UChar* from, UChar* end, int ignore_escaped,
+		 ScanEnv* env)
+{
+  int in_esc;
+  OnigCodePoint code;
+  OnigEncoding enc = env->enc;
+  UChar* p = from;
+
+  in_esc = 0;
+  while (! PEND) {
+    if (ignore_escaped && in_esc) {
+      in_esc = 0;
+    }
+    else {
+      PFETCH_S(code);
+      if (code == c) return 1;
+      if (code == MC_ESC(env->syntax)) in_esc = 1;
+    }
+  }
+  return 0;
+}
+
+static int
+parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
+		 ScanEnv* env)
+{
+  int r, neg, len, fetched, and_start;
+  OnigCodePoint v, vs;
+  UChar *p;
+  Node* node;
+  CClassNode *cc, *prev_cc;
+  CClassNode work_cc;
+
+  enum CCSTATE state;
+  enum CCVALTYPE val_type, in_type;
+  int val_israw, in_israw;
+
+  prev_cc = (CClassNode* )NULL;
+  *np = NULL_NODE;
+  r = fetch_token_in_cc(tok, src, end, env);
+  if (r == TK_CHAR && tok->u.c == '^' && tok->escaped == 0) {
+    neg = 1;
+    r = fetch_token_in_cc(tok, src, end, env);
+  }
+  else {
+    neg = 0;
+  }
+
+  if (r < 0) return r;
+  if (r == TK_CC_CLOSE) {
+    if (! code_exist_check((OnigCodePoint )']',
+                           *src, env->pattern_end, 1, env))
+      return ONIGERR_EMPTY_CHAR_CLASS;
+
+    CC_ESC_WARN(env, (UChar* )"]");
+    r = tok->type = TK_CHAR;  /* allow []...] */
+  }
+
+  *np = node = node_new_cclass();
+  CHECK_NULL_RETURN_MEMERR(node);
+  cc = NCCLASS(node);
+
+  and_start = 0;
+  state = CCS_START;
+  p = *src;
+  while (r != TK_CC_CLOSE) {
+    fetched = 0;
+    switch (r) {
+    case TK_CHAR:
+      len = ONIGENC_CODE_TO_MBCLEN(env->enc, tok->u.c);
+      if (len > 1) {
+	in_type = CCV_CODE_POINT;
+      }
+      else if (len < 0) {
+	r = len;
+	goto err;
+      }
+      else {
+      sb_char:
+	in_type = CCV_SB;
+      }
+      v = (OnigCodePoint )tok->u.c;
+      in_israw = 0;
+      goto val_entry2;
+      break;
+
+    case TK_RAW_BYTE:
+      /* tok->base != 0 : octal or hexadec. */
+      if (! ONIGENC_IS_SINGLEBYTE(env->enc) && tok->base != 0) {
+	UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];
+	UChar* bufe = buf + ONIGENC_CODE_TO_MBC_MAXLEN;
+	UChar* psave = p;
+	int i, base = tok->base;
+
+	buf[0] = (UChar)tok->u.c;
+	for (i = 1; i < ONIGENC_MBC_MAXLEN(env->enc); i++) {
+	  r = fetch_token_in_cc(tok, &p, end, env);
+	  if (r < 0) goto err;
+	  if (r != TK_RAW_BYTE || tok->base != base) {
+	    fetched = 1;
+	    break;
+	  }
+	  buf[i] = (UChar)tok->u.c;
+	}
+
+	if (i < ONIGENC_MBC_MINLEN(env->enc)) {
+	  r = ONIGERR_TOO_SHORT_MULTI_BYTE_STRING;
+	  goto err;
+	}
+
+	len = enclen(env->enc, buf);
+	if (i < len) {
+	  r = ONIGERR_TOO_SHORT_MULTI_BYTE_STRING;
+	  goto err;
+	}
+	else if (i > len) { /* fetch back */
+	  p = psave;
+	  for (i = 1; i < len; i++) {
+	    r = fetch_token_in_cc(tok, &p, end, env);
+	  }
+	  fetched = 0;
+	}
+
+	if (i == 1) {
+	  v = (OnigCodePoint )buf[0];
+	  goto raw_single;
+	}
+	else {
+	  v = ONIGENC_MBC_TO_CODE(env->enc, buf, bufe);
+	  in_type = CCV_CODE_POINT;
+	}
+      }
+      else {
+	v = (OnigCodePoint )tok->u.c;
+      raw_single:
+	in_type = CCV_SB;
+      }
+      in_israw = 1;
+      goto val_entry2;
+      break;
+
+    case TK_CODE_POINT:
+      v = tok->u.code;
+      in_israw = 1;
+    val_entry:
+      len = ONIGENC_CODE_TO_MBCLEN(env->enc, v);
+      if (len < 0) {
+	r = len;
+	goto err;
+      }
+      in_type = (len == 1 ? CCV_SB : CCV_CODE_POINT);
+    val_entry2:
+      r = next_state_val(cc, &vs, v, &val_israw, in_israw, in_type, &val_type,
+			 &state, env);
+      if (r != 0) goto err;
+      break;
+
+    case TK_POSIX_BRACKET_OPEN:
+      r = parse_posix_bracket(cc, &p, end, env);
+      if (r < 0) goto err;
+      if (r == 1) {  /* is not POSIX bracket */
+	CC_ESC_WARN(env, (UChar* )"[");
+	p = tok->backp;
+	v = (OnigCodePoint )tok->u.c;
+	in_israw = 0;
+	goto val_entry;
+      }
+      goto next_class;
+      break;
+
+    case TK_CHAR_TYPE:
+      r = add_ctype_to_cc(cc, tok->u.prop.ctype, tok->u.prop.not, env);
+      if (r != 0) return r;
+
+    next_class:
+      r = next_state_class(cc, &vs, &val_type, &state, env);
+      if (r != 0) goto err;
+      break;
+
+    case TK_CHAR_PROPERTY:
+      {
+	int ctype;
+
+	ctype = fetch_char_property_to_ctype(&p, end, env);
+	if (ctype < 0) return ctype;
+	r = add_ctype_to_cc(cc, ctype, tok->u.prop.not, env);
+	if (r != 0) return r;
+	goto next_class;
+      }
+      break;
+
+    case TK_CC_RANGE:
+      if (state == CCS_VALUE) {
+	r = fetch_token_in_cc(tok, &p, end, env);
+	if (r < 0) goto err;
+	fetched = 1;
+	if (r == TK_CC_CLOSE) { /* allow [x-] */
+	range_end_val:
+	  v = (OnigCodePoint )'-';
+	  in_israw = 0;
+	  goto val_entry;
+	}
+	else if (r == TK_CC_AND) {
+	  CC_ESC_WARN(env, (UChar* )"-");
+	  goto range_end_val;
+	}
+	state = CCS_RANGE;
+      }
+      else if (state == CCS_START) {
+	/* [-xa] is allowed */
+	v = (OnigCodePoint )tok->u.c;
+	in_israw = 0;
+
+	r = fetch_token_in_cc(tok, &p, end, env);
+	if (r < 0) goto err;
+	fetched = 1;
+	/* [--x] or [a&&-x] is warned. */
+	if (r == TK_CC_RANGE || and_start != 0)
+	  CC_ESC_WARN(env, (UChar* )"-");
+
+	goto val_entry;
+      }
+      else if (state == CCS_RANGE) {
+	CC_ESC_WARN(env, (UChar* )"-");
+	goto sb_char;  /* [!--x] is allowed */
+      }
+      else { /* CCS_COMPLETE */
+	r = fetch_token_in_cc(tok, &p, end, env);
+	if (r < 0) goto err;
+	fetched = 1;
+	if (r == TK_CC_CLOSE) goto range_end_val; /* allow [a-b-] */
+	else if (r == TK_CC_AND) {
+	  CC_ESC_WARN(env, (UChar* )"-");
+	  goto range_end_val;
+	}
+	
+	if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC)) {
+	  CC_ESC_WARN(env, (UChar* )"-");
+	  goto sb_char;   /* [0-9-a] is allowed as [0-9\-a] */
+	}
+	r = ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS;
+	goto err;
+      }
+      break;
+
+    case TK_CC_CC_OPEN: /* [ */
+      {
+	Node *anode;
+	CClassNode* acc;
+
+	r = parse_char_class(&anode, tok, &p, end, env);
+	if (r != 0) goto cc_open_err;
+	acc = NCCLASS(anode);
+	r = or_cclass(cc, acc, env->enc);
+
+	onig_node_free(anode);
+      cc_open_err:
+	if (r != 0) goto err;
+      }
+      break;
+
+    case TK_CC_AND: /* && */
+      {
+	if (state == CCS_VALUE) {
+	  r = next_state_val(cc, &vs, 0, &val_israw, 0, val_type,
+			     &val_type, &state, env);
+	  if (r != 0) goto err;
+	}
+	/* initialize local variables */
+	and_start = 1;
+	state = CCS_START;
+
+	if (IS_NOT_NULL(prev_cc)) {
+	  r = and_cclass(prev_cc, cc, env->enc);
+	  if (r != 0) goto err;
+	  bbuf_free(cc->mbuf);
+	}
+	else {
+	  prev_cc = cc;
+	  cc = &work_cc;
+	}
+	initialize_cclass(cc);
+      }
+      break;
+
+    case TK_EOT:
+      r = ONIGERR_PREMATURE_END_OF_CHAR_CLASS;
+      goto err;
+      break;
+    default:
+      r = ONIGERR_PARSER_BUG;
+      goto err;
+      break;
+    }
+
+    if (fetched)
+      r = tok->type;
+    else {
+      r = fetch_token_in_cc(tok, &p, end, env);
+      if (r < 0) goto err;
+    }
+  }
+
+  if (state == CCS_VALUE) {
+    r = next_state_val(cc, &vs, 0, &val_israw, 0, val_type,
+		       &val_type, &state, env);
+    if (r != 0) goto err;
+  }
+
+  if (IS_NOT_NULL(prev_cc)) {
+    r = and_cclass(prev_cc, cc, env->enc);
+    if (r != 0) goto err;
+    bbuf_free(cc->mbuf);
+    cc = prev_cc;
+  }
+
+  if (neg != 0)
+    NCCLASS_SET_NOT(cc);
+  else
+    NCCLASS_CLEAR_NOT(cc);
+  if (IS_NCCLASS_NOT(cc) &&
+      IS_SYNTAX_BV(env->syntax, ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC)) {
+    int is_empty;
+
+    is_empty = (IS_NULL(cc->mbuf) ? 1 : 0);
+    if (is_empty != 0)
+      BITSET_IS_EMPTY(cc->bs, is_empty);
+
+    if (is_empty == 0) {
+#define NEWLINE_CODE    0x0a
+
+      if (ONIGENC_IS_CODE_NEWLINE(env->enc, NEWLINE_CODE)) {
+        if (ONIGENC_CODE_TO_MBCLEN(env->enc, NEWLINE_CODE) == 1)
+          BITSET_SET_BIT(cc->bs, NEWLINE_CODE);
+        else
+          add_code_range(&(cc->mbuf), env, NEWLINE_CODE, NEWLINE_CODE);
+      }
+    }
+  }
+  *src = p;
+  return 0;
+
+ err:
+  if (cc != NCCLASS(*np))
+    bbuf_free(cc->mbuf);
+  onig_node_free(*np);
+  return r;
+}
+
+static int parse_subexp(Node** top, OnigToken* tok, int term,
+			UChar** src, UChar* end, ScanEnv* env);
+
+static int
+parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
+	      ScanEnv* env)
+{
+  int r, num;
+  Node *target;
+  OnigOptionType option;
+  OnigCodePoint c;
+  OnigEncoding enc = env->enc;
+
+#ifdef USE_NAMED_GROUP
+  int list_capture;
+#endif
+
+  UChar* p = *src;
+  PFETCH_READY;
+
+  *np = NULL;
+  if (PEND) return ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS;
+
+  option = env->option;
+  if (PPEEK_IS('?') &&
+      IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_QMARK_GROUP_EFFECT)) {
+    PINC;
+    if (PEND) return ONIGERR_END_PATTERN_IN_GROUP;
+
+    PFETCH(c);
+    switch (c) {
+    case ':':   /* (?:...) grouping only */
+    group:
+      r = fetch_token(tok, &p, end, env);
+      if (r < 0) return r;
+      r = parse_subexp(np, tok, term, &p, end, env);
+      if (r < 0) return r;
+      *src = p;
+      return 1; /* group */
+      break;
+
+    case '=':
+      *np = onig_node_new_anchor(ANCHOR_PREC_READ);
+      break;
+    case '!':  /*         preceding read */
+      *np = onig_node_new_anchor(ANCHOR_PREC_READ_NOT);
+      break;
+    case '>':            /* (?>...) stop backtrack */
+      *np = node_new_enclose(ENCLOSE_STOP_BACKTRACK);
+      break;
+
+#ifdef USE_NAMED_GROUP
+    case '\'':
+      if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP)) {
+	goto named_group1;
+      }
+      else
+	return ONIGERR_UNDEFINED_GROUP_OPTION;
+      break;
+#endif
+
+    case '<':   /* look behind (?<=...), (?<!...) */
+      PFETCH(c);
+      if (c == '=')
+	*np = onig_node_new_anchor(ANCHOR_LOOK_BEHIND);
+      else if (c == '!')
+	*np = onig_node_new_anchor(ANCHOR_LOOK_BEHIND_NOT);
+#ifdef USE_NAMED_GROUP
+      else {
+	if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP)) {
+	  UChar *name;
+	  UChar *name_end;
+
+	  PUNFETCH;
+	  c = '<';
+
+	named_group1:
+	  list_capture = 0;
+
+	named_group2:
+	  name = p;
+	  r = fetch_name((OnigCodePoint )c, &p, end, &name_end, env, &num, 0);
+	  if (r < 0) return r;
+
+	  num = scan_env_add_mem_entry(env);
+	  if (num < 0) return num;
+	  if (list_capture != 0 && num >= (int )BIT_STATUS_BITS_NUM)
+	    return ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY;
+
+	  r = name_add(env->reg, name, name_end, num, env);
+	  if (r != 0) return r;
+	  *np = node_new_enclose_memory(env->option, 1);
+	  CHECK_NULL_RETURN_MEMERR(*np);
+	  NENCLOSE(*np)->regnum = num;
+	  if (list_capture != 0)
+	    BIT_STATUS_ON_AT_SIMPLE(env->capture_history, num);
+	  env->num_named++;
+	}
+	else {
+	  return ONIGERR_UNDEFINED_GROUP_OPTION;
+	}
+      }
+#else
+      else {
+	return ONIGERR_UNDEFINED_GROUP_OPTION;
+      }
+#endif
+      break;
+
+    case '@':
+      if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_ATMARK_CAPTURE_HISTORY)) {
+#ifdef USE_NAMED_GROUP
+	if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP)) {
+	  PFETCH(c);
+	  if (c == '<' || c == '\'') {
+	    list_capture = 1;
+	    goto named_group2; /* (?@<name>...) */
+	  }
+	  PUNFETCH;
+	}
+#endif
+	*np = node_new_enclose_memory(env->option, 0);
+	CHECK_NULL_RETURN_MEMERR(*np);
+	num = scan_env_add_mem_entry(env);
+	if (num < 0) {
+	  onig_node_free(*np);
+	  return num;
+	}
+	else if (num >= (int )BIT_STATUS_BITS_NUM) {
+	  onig_node_free(*np);
+	  return ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY;
+	}
+	NENCLOSE(*np)->regnum = num;
+	BIT_STATUS_ON_AT_SIMPLE(env->capture_history, num);
+      }
+      else {
+	return ONIGERR_UNDEFINED_GROUP_OPTION;
+      }
+      break;
+
+#ifdef USE_POSIXLINE_OPTION
+    case 'p':
+#endif
+    case '-': case 'i': case 'm': case 's': case 'x':
+      {
+	int neg = 0;
+
+	while (1) {
+	  switch (c) {
+	  case ':':
+	  case ')':
+	  break;
+
+	  case '-':  neg = 1; break;
+	  case 'x':  ONOFF(option, ONIG_OPTION_EXTEND,     neg); break;
+	  case 'i':  ONOFF(option, ONIG_OPTION_IGNORECASE, neg); break;
+	  case 's':
+	    if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_OPTION_PERL)) {
+	      ONOFF(option, ONIG_OPTION_MULTILINE,  neg);
+	    }
+	    else
+	      return ONIGERR_UNDEFINED_GROUP_OPTION;
+	    break;
+
+	  case 'm':
+	    if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_OPTION_PERL)) {
+	      ONOFF(option, ONIG_OPTION_SINGLELINE, (neg == 0 ? 1 : 0));
+	    }
+	    else if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_OPTION_RUBY)) {
+	      ONOFF(option, ONIG_OPTION_MULTILINE,  neg);
+	    }
+	    else
+	      return ONIGERR_UNDEFINED_GROUP_OPTION;
+	    break;
+#ifdef USE_POSIXLINE_OPTION
+	  case 'p':
+	    ONOFF(option, ONIG_OPTION_MULTILINE|ONIG_OPTION_SINGLELINE, neg);
+	    break;
+#endif
+	  default:
+	    return ONIGERR_UNDEFINED_GROUP_OPTION;
+	  }
+
+	  if (c == ')') {
+	    *np = node_new_option(option);
+	    CHECK_NULL_RETURN_MEMERR(*np);
+	    *src = p;
+	    return 2; /* option only */
+	  }
+	  else if (c == ':') {
+	    OnigOptionType prev = env->option;
+
+	    env->option     = option;
+	    r = fetch_token(tok, &p, end, env);
+	    if (r < 0) return r;
+	    r = parse_subexp(&target, tok, term, &p, end, env);
+	    env->option = prev;
+	    if (r < 0) return r;
+	    *np = node_new_option(option);
+	    CHECK_NULL_RETURN_MEMERR(*np);
+	    NENCLOSE(*np)->target = target;
+	    *src = p;
+	    return 0;
+	  }
+
+	  if (PEND) return ONIGERR_END_PATTERN_IN_GROUP;
+	  PFETCH(c);
+	}
+      }
+      break;
+
+    default:
+      return ONIGERR_UNDEFINED_GROUP_OPTION;
+    }
+  }
+  else {
+    if (ONIG_IS_OPTION_ON(env->option, ONIG_OPTION_DONT_CAPTURE_GROUP))
+      goto group;
+
+    *np = node_new_enclose_memory(env->option, 0);
+    CHECK_NULL_RETURN_MEMERR(*np);
+    num = scan_env_add_mem_entry(env);
+    if (num < 0) return num;
+    NENCLOSE(*np)->regnum = num;
+  }
+
+  CHECK_NULL_RETURN_MEMERR(*np);
+  r = fetch_token(tok, &p, end, env);
+  if (r < 0) return r;
+  r = parse_subexp(&target, tok, term, &p, end, env);
+  if (r < 0) return r;
+
+  if (NTYPE(*np) == NT_ANCHOR)
+    NANCHOR(*np)->target = target;
+  else {
+    NENCLOSE(*np)->target = target;
+    if (NENCLOSE(*np)->type == ENCLOSE_MEMORY) {
+      /* Don't move this to previous of parse_subexp() */
+      r = scan_env_set_mem_node(env, NENCLOSE(*np)->regnum, *np);
+      if (r != 0) return r;
+    }
+  }
+
+  *src = p;
+  return 0;
+}
+
+static const char* PopularQStr[] = {
+  "?", "*", "+", "??", "*?", "+?"
+};
+
+static const char* ReduceQStr[] = {
+  "", "", "*", "*?", "??", "+ and ??", "+? and ?"
+};
+
+static int
+set_quantifier(Node* qnode, Node* target, int group, ScanEnv* env)
+{
+  QtfrNode* qn;
+
+  qn = NQTFR(qnode);
+  if (qn->lower == 1 && qn->upper == 1) {
+    return 1;
+  }
+
+  switch (NTYPE(target)) {
+  case NT_STR:
+    if (! group) {
+      StrNode* sn = NSTR(target);
+      if (str_node_can_be_split(sn, env->enc)) {
+	Node* n = str_node_split_last_char(sn, env->enc);
+	if (IS_NOT_NULL(n)) {
+	  qn->target = n;
+	  return 2;
+	}
+      }
+    }
+    break;
+
+  case NT_QTFR:
+    { /* check redundant double repeat. */
+      /* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
+      QtfrNode* qnt   = NQTFR(target);
+      int nestq_num   = popular_quantifier_num(qn);
+      int targetq_num = popular_quantifier_num(qnt);
+
+#ifdef USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
+      if (!IS_QUANTIFIER_BY_NUMBER(qn) && !IS_QUANTIFIER_BY_NUMBER(qnt) &&
+	  IS_SYNTAX_BV(env->syntax, ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT)) {
+        UChar buf[WARN_BUFSIZE];
+
+        switch(ReduceTypeTable[targetq_num][nestq_num]) {
+        case RQ_ASIS:
+          break;
+
+        case RQ_DEL:
+          if (onig_verb_warn != onig_null_warn) {
+            onig_snprintf_with_pattern(buf, WARN_BUFSIZE, env->enc,
+                                 env->pattern, env->pattern_end,
+                                 (UChar* )"redundant nested repeat operator");
+            (*onig_verb_warn)((char* )buf);
+          }
+          goto warn_exit;
+          break;
+
+        default:
+          if (onig_verb_warn != onig_null_warn) {
+            onig_snprintf_with_pattern(buf, WARN_BUFSIZE, env->enc,
+                                       env->pattern, env->pattern_end,
+            (UChar* )"nested repeat operator %s and %s was replaced with '%s'",
+            PopularQStr[targetq_num], PopularQStr[nestq_num],
+            ReduceQStr[ReduceTypeTable[targetq_num][nestq_num]]);
+            (*onig_verb_warn)((char* )buf);
+          }
+          goto warn_exit;
+          break;
+        }
+      }
+
+    warn_exit:
+#endif
+      if (targetq_num >= 0) {
+	if (nestq_num >= 0) {
+	  onig_reduce_nested_quantifier(qnode, target);
+	  goto q_exit;
+	}
+	else if (targetq_num == 1 || targetq_num == 2) { /* * or + */
+	  /* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
+	  if (! IS_REPEAT_INFINITE(qn->upper) && qn->upper > 1 && qn->greedy) {
+	    qn->upper = (qn->lower == 0 ? 1 : qn->lower);
+	  }
+	}
+      }
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  qn->target = target;
+ q_exit:
+  return 0;
+}
+
+
+#ifdef USE_SHARED_CCLASS_TABLE
+
+#define THRESHOLD_RANGE_NUM_FOR_SHARE_CCLASS     8
+
+/* for ctype node hash table */
+
+typedef struct {
+  OnigEncoding enc;
+  int not;
+  int type;
+} type_cclass_key;
+
+static int type_cclass_cmp(type_cclass_key* x, type_cclass_key* y)
+{
+  if (x->type != y->type) return 1;
+  if (x->enc  != y->enc)  return 1;
+  if (x->not  != y->not)  return 1;
+  return 0;
+}
+
+static int type_cclass_hash(type_cclass_key* key)
+{
+  int i, val;
+  UChar *p;
+
+  val = 0;
+
+  p = (UChar* )&(key->enc);
+  for (i = 0; i < (int )sizeof(key->enc); i++) {
+    val = val * 997 + (int )*p++;
+  }
+
+  p = (UChar* )(&key->type);
+  for (i = 0; i < (int )sizeof(key->type); i++) {
+    val = val * 997 + (int )*p++;
+  }
+
+  val += key->not;
+  return val + (val >> 5);
+}
+
+static struct st_hash_type type_type_cclass_hash = {
+    type_cclass_cmp,
+    type_cclass_hash,
+};
+
+static st_table* OnigTypeCClassTable;
+
+
+static int
+i_free_shared_class(type_cclass_key* key, Node* node, void* arg ARG_UNUSED)
+{
+  if (IS_NOT_NULL(node)) {
+    CClassNode* cc = NCCLASS(node);
+    if (IS_NOT_NULL(cc->mbuf)) xfree(cc->mbuf);
+    xfree(node);
+  }
+
+  if (IS_NOT_NULL(key)) xfree(key);
+  return ST_DELETE;
+}
+
+extern int
+onig_free_shared_cclass_table(void)
+{
+  if (IS_NOT_NULL(OnigTypeCClassTable)) {
+    onig_st_foreach(OnigTypeCClassTable, i_free_shared_class, 0);
+    onig_st_free_table(OnigTypeCClassTable);
+    OnigTypeCClassTable = NULL;
+  }
+
+  return 0;
+}
+
+#endif /* USE_SHARED_CCLASS_TABLE */
+
+
+#ifndef CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS
+static int
+clear_not_flag_cclass(CClassNode* cc, OnigEncoding enc)
+{
+  BBuf *tbuf;
+  int r;
+
+  if (IS_NCCLASS_NOT(cc)) {
+    bitset_invert(cc->bs);
+
+    if (! ONIGENC_IS_SINGLEBYTE(enc)) {
+      r = not_code_range_buf(enc, cc->mbuf, &tbuf);
+      if (r != 0) return r;
+
+      bbuf_free(cc->mbuf);
+      cc->mbuf = tbuf;
+    }
+
+    NCCLASS_CLEAR_NOT(cc);
+  }
+
+  return 0;
+}
+#endif /* CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS */
+
+typedef struct {
+  ScanEnv*    env;
+  CClassNode* cc;
+  Node*       alt_root;
+  Node**      ptail;
+} IApplyCaseFoldArg;
+
+static int
+i_apply_case_fold(OnigCodePoint from, OnigCodePoint to[],
+		  int to_len, void* arg)
+{
+  IApplyCaseFoldArg* iarg;
+  ScanEnv* env;
+  CClassNode* cc;
+  BitSetRef bs;
+
+  iarg = (IApplyCaseFoldArg* )arg;
+  env = iarg->env;
+  cc  = iarg->cc;
+  bs = cc->bs;
+
+  if (to_len == 1) {
+    int is_in = onig_is_code_in_cc(env->enc, from, cc);
+#ifdef CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS
+    if ((is_in != 0 && !IS_NCCLASS_NOT(cc)) ||
+	(is_in == 0 &&  IS_NCCLASS_NOT(cc))) {
+      if (ONIGENC_MBC_MINLEN(env->enc) > 1 || *to >= SINGLE_BYTE_SIZE) {
+	add_code_range(&(cc->mbuf), env, *to, *to);
+      }
+      else {
+	BITSET_SET_BIT(bs, *to);
+      }
+    }
+#else
+    if (is_in != 0) {
+      if (ONIGENC_MBC_MINLEN(env->enc) > 1 || *to >= SINGLE_BYTE_SIZE) {
+	if (IS_NCCLASS_NOT(cc)) clear_not_flag_cclass(cc, env->enc);
+	add_code_range(&(cc->mbuf), env, *to, *to);
+      }
+      else {
+	if (IS_NCCLASS_NOT(cc)) {
+	  BITSET_CLEAR_BIT(bs, *to);
+	}
+	else
+	  BITSET_SET_BIT(bs, *to);
+      }
+    }
+#endif /* CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS */
+  }
+  else {
+    int r, i, len;
+    UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];
+    Node *snode = NULL_NODE;
+
+    if (onig_is_code_in_cc(env->enc, from, cc)
+#ifdef CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS
+	&& !IS_NCCLASS_NOT(cc)
+#endif
+	) {
+      for (i = 0; i < to_len; i++) {
+	len = ONIGENC_CODE_TO_MBC(env->enc, to[i], buf);
+	if (i == 0) {
+	  snode = onig_node_new_str(buf, buf + len);
+	  CHECK_NULL_RETURN_MEMERR(snode);
+
+	  /* char-class expanded multi-char only
+	     compare with string folded at match time. */
+	  NSTRING_SET_AMBIG(snode);
+	}
+	else {
+	  r = onig_node_str_cat(snode, buf, buf + len);
+	  if (r < 0) {
+	    onig_node_free(snode);
+	    return r;
+	  }
+	}
+      }
+
+      *(iarg->ptail) = onig_node_new_alt(snode, NULL_NODE);
+      CHECK_NULL_RETURN_MEMERR(*(iarg->ptail));
+      iarg->ptail = &(NCDR((*(iarg->ptail))));
+    }
+  }
+
+  return 0;
+}
+
+static int
+parse_exp(Node** np, OnigToken* tok, int term,
+	  UChar** src, UChar* end, ScanEnv* env)
+{
+  int r, len, group = 0;
+  Node* qn;
+  Node** targetp;
+
+  *np = NULL;
+  if (tok->type == (enum TokenSyms )term)
+    goto end_of_token;
+
+  switch (tok->type) {
+  case TK_ALT:
+  case TK_EOT:
+  end_of_token:
+  *np = node_new_empty();
+  return tok->type;
+  break;
+
+  case TK_SUBEXP_OPEN:
+    r = parse_enclose(np, tok, TK_SUBEXP_CLOSE, src, end, env);
+    if (r < 0) return r;
+    if (r == 1) group = 1;
+    else if (r == 2) { /* option only */
+      Node* target;
+      OnigOptionType prev = env->option;
+
+      env->option = NENCLOSE(*np)->option;
+      r = fetch_token(tok, src, end, env);
+      if (r < 0) return r;
+      r = parse_subexp(&target, tok, term, src, end, env);
+      env->option = prev;
+      if (r < 0) return r;
+      NENCLOSE(*np)->target = target;	
+      return tok->type;
+    }
+    break;
+
+  case TK_SUBEXP_CLOSE:
+    if (! IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP))
+      return ONIGERR_UNMATCHED_CLOSE_PARENTHESIS;
+
+    if (tok->escaped) goto tk_raw_byte;
+    else goto tk_byte;
+    break;
+
+  case TK_STRING:
+  tk_byte:
+    {
+      *np = node_new_str(tok->backp, *src);
+      CHECK_NULL_RETURN_MEMERR(*np);
+
+      while (1) {
+	r = fetch_token(tok, src, end, env);
+	if (r < 0) return r;
+	if (r != TK_STRING) break;
+
+	r = onig_node_str_cat(*np, tok->backp, *src);
+	if (r < 0) return r;
+      }
+
+    string_end:
+      targetp = np;
+      goto repeat;
+    }
+    break;
+
+  case TK_RAW_BYTE:
+  tk_raw_byte:
+    {
+      *np = node_new_str_raw_char((UChar )tok->u.c);
+      CHECK_NULL_RETURN_MEMERR(*np);
+      len = 1;
+      while (1) {
+	if (len >= ONIGENC_MBC_MINLEN(env->enc)) {
+	  if (len == enclen(env->enc, NSTR(*np)->s)) {
+	    r = fetch_token(tok, src, end, env);
+	    NSTRING_CLEAR_RAW(*np);
+	    goto string_end;
+	  }
+	}
+
+	r = fetch_token(tok, src, end, env);
+	if (r < 0) return r;
+	if (r != TK_RAW_BYTE) {
+	  /* Don't use this, it is wrong for little endian encodings. */
+#ifdef USE_PAD_TO_SHORT_BYTE_CHAR
+	  int rem;
+	  if (len < ONIGENC_MBC_MINLEN(env->enc)) {
+	    rem = ONIGENC_MBC_MINLEN(env->enc) - len;
+	    (void )node_str_head_pad(NSTR(*np), rem, (UChar )0);
+	    if (len + rem == enclen(env->enc, NSTR(*np)->s)) {
+	      NSTRING_CLEAR_RAW(*np);
+	      goto string_end;
+	    }
+	  }
+#endif
+	  return ONIGERR_TOO_SHORT_MULTI_BYTE_STRING;
+	}
+
+	r = node_str_cat_char(*np, (UChar )tok->u.c);
+	if (r < 0) return r;
+
+	len++;
+      }
+    }
+    break;
+
+  case TK_CODE_POINT:
+    {
+      UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];
+      int num = ONIGENC_CODE_TO_MBC(env->enc, tok->u.code, buf);
+      if (num < 0) return num;
+#ifdef NUMBERED_CHAR_IS_NOT_CASE_AMBIG
+      *np = node_new_str_raw(buf, buf + num);
+#else
+      *np = node_new_str(buf, buf + num);
+#endif
+      CHECK_NULL_RETURN_MEMERR(*np);
+    }
+    break;
+
+  case TK_QUOTE_OPEN:
+    {
+      OnigCodePoint end_op[2];
+      UChar *qstart, *qend, *nextp;
+
+      end_op[0] = (OnigCodePoint )MC_ESC(env->syntax);
+      end_op[1] = (OnigCodePoint )'E';
+      qstart = *src;
+      qend = find_str_position(end_op, 2, qstart, end, &nextp, env->enc);
+      if (IS_NULL(qend)) {
+	nextp = qend = end;
+      }
+      *np = node_new_str(qstart, qend);
+      CHECK_NULL_RETURN_MEMERR(*np);
+      *src = nextp;
+    }
+    break;
+
+  case TK_CHAR_TYPE:
+    {
+      switch (tok->u.prop.ctype) {
+      case ONIGENC_CTYPE_WORD:
+	*np = node_new_ctype(tok->u.prop.ctype, tok->u.prop.not);
+	CHECK_NULL_RETURN_MEMERR(*np);
+	break;
+
+      case ONIGENC_CTYPE_SPACE:
+      case ONIGENC_CTYPE_DIGIT:
+      case ONIGENC_CTYPE_XDIGIT:
+	{
+	  CClassNode* cc;
+
+#ifdef USE_SHARED_CCLASS_TABLE
+          const OnigCodePoint *mbr;
+	  OnigCodePoint sb_out;
+
+          r = ONIGENC_GET_CTYPE_CODE_RANGE(env->enc, tok->u.prop.ctype,
+					   &sb_out, &mbr);
+          if (r == 0 &&
+              ONIGENC_CODE_RANGE_NUM(mbr)
+              >= THRESHOLD_RANGE_NUM_FOR_SHARE_CCLASS) {
+            type_cclass_key  key;
+            type_cclass_key* new_key;
+
+            key.enc  = env->enc;
+            key.not  = tok->u.prop.not;
+            key.type = tok->u.prop.ctype;
+
+            THREAD_ATOMIC_START;
+
+            if (IS_NULL(OnigTypeCClassTable)) {
+              OnigTypeCClassTable
+                = onig_st_init_table_with_size(&type_type_cclass_hash, 10);
+              if (IS_NULL(OnigTypeCClassTable)) {
+                THREAD_ATOMIC_END;
+                return ONIGERR_MEMORY;
+              }
+            }
+            else {
+              if (onig_st_lookup(OnigTypeCClassTable, (st_data_t )&key,
+                                 (st_data_t* )np)) {
+                THREAD_ATOMIC_END;
+                break;
+              }
+            }
+
+            *np = node_new_cclass_by_codepoint_range(tok->u.prop.not,
+						     sb_out, mbr);
+            if (IS_NULL(*np)) {
+              THREAD_ATOMIC_END;
+              return ONIGERR_MEMORY;
+            }
+
+            cc = NCCLASS(*np);
+            NCCLASS_SET_SHARE(cc);
+            new_key = (type_cclass_key* )xmalloc(sizeof(type_cclass_key));
+	    xmemcpy(new_key, &key, sizeof(type_cclass_key));
+            onig_st_add_direct(OnigTypeCClassTable, (st_data_t )new_key,
+                               (st_data_t )*np);
+            
+            THREAD_ATOMIC_END;
+          }
+          else {
+#endif
+            *np = node_new_cclass();
+            CHECK_NULL_RETURN_MEMERR(*np);
+            cc = NCCLASS(*np);
+            add_ctype_to_cc(cc, tok->u.prop.ctype, 0, env);
+            if (tok->u.prop.not != 0) NCCLASS_SET_NOT(cc);
+#ifdef USE_SHARED_CCLASS_TABLE
+          }
+#endif
+	}
+	break;
+
+      default:
+	return ONIGERR_PARSER_BUG;
+	break;
+      }
+    }
+    break;
+
+  case TK_CHAR_PROPERTY:
+    r = parse_char_property(np, tok, src, end, env);
+    if (r != 0) return r;
+    break;
+
+  case TK_CC_OPEN:
+    {
+      CClassNode* cc;
+
+      r = parse_char_class(np, tok, src, end, env);
+      if (r != 0) return r;
+
+      cc = NCCLASS(*np);
+      if (IS_IGNORECASE(env->option)) {
+	IApplyCaseFoldArg iarg;
+
+	iarg.env      = env;
+	iarg.cc       = cc;
+	iarg.alt_root = NULL_NODE;
+	iarg.ptail    = &(iarg.alt_root);
+
+	r = ONIGENC_APPLY_ALL_CASE_FOLD(env->enc, env->case_fold_flag,
+					i_apply_case_fold, &iarg);
+	if (r != 0) {
+	  onig_node_free(iarg.alt_root);
+	  return r;
+	}
+	if (IS_NOT_NULL(iarg.alt_root)) {
+          Node* work = onig_node_new_alt(*np, iarg.alt_root);
+          if (IS_NULL(work)) {
+            onig_node_free(iarg.alt_root);
+            return ONIGERR_MEMORY;
+          }
+          *np = work;
+	}
+      }
+    }
+    break;
+
+  case TK_ANYCHAR:
+    *np = node_new_anychar();
+    CHECK_NULL_RETURN_MEMERR(*np);
+    break;
+
+  case TK_ANYCHAR_ANYTIME:
+    *np = node_new_anychar();
+    CHECK_NULL_RETURN_MEMERR(*np);
+    qn = node_new_quantifier(0, REPEAT_INFINITE, 0);
+    CHECK_NULL_RETURN_MEMERR(qn);
+    NQTFR(qn)->target = *np;
+    *np = qn;
+    break;
+
+  case TK_BACKREF:
+    len = tok->u.backref.num;
+    *np = node_new_backref(len,
+		   (len > 1 ? tok->u.backref.refs : &(tok->u.backref.ref1)),
+			   tok->u.backref.by_name,
+#ifdef USE_BACKREF_WITH_LEVEL
+			   tok->u.backref.exist_level,
+			   tok->u.backref.level,
+#endif
+			   env);
+    CHECK_NULL_RETURN_MEMERR(*np);
+    break;
+
+#ifdef USE_SUBEXP_CALL
+  case TK_CALL:
+    {
+      int gnum = tok->u.call.gnum;
+
+      if (gnum < 0) {
+	gnum = BACKREF_REL_TO_ABS(gnum, env);
+	if (gnum <= 0)
+	  return ONIGERR_INVALID_BACKREF;
+      }
+      *np = node_new_call(tok->u.call.name, tok->u.call.name_end, gnum);
+      CHECK_NULL_RETURN_MEMERR(*np);
+      env->num_call++;
+    }
+    break;
+#endif
+
+  case TK_ANCHOR:
+    *np = onig_node_new_anchor(tok->u.anchor);
+    break;
+
+  case TK_OP_REPEAT:
+  case TK_INTERVAL:
+    if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS)) {
+      if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS))
+	return ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED;
+      else
+	*np = node_new_empty();
+    }
+    else {
+      goto tk_byte;
+    }
+    break;
+
+  default:
+    return ONIGERR_PARSER_BUG;
+    break;
+  }
+
+  {
+    targetp = np;
+
+  re_entry:
+    r = fetch_token(tok, src, end, env);
+    if (r < 0) return r;
+
+  repeat:
+    if (r == TK_OP_REPEAT || r == TK_INTERVAL) {
+      if (is_invalid_quantifier_target(*targetp))
+	return ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID;
+
+      qn = node_new_quantifier(tok->u.repeat.lower, tok->u.repeat.upper,
+			       (r == TK_INTERVAL ? 1 : 0));
+      CHECK_NULL_RETURN_MEMERR(qn);
+      NQTFR(qn)->greedy = tok->u.repeat.greedy;
+      r = set_quantifier(qn, *targetp, group, env);
+      if (r < 0) {
+	onig_node_free(qn);
+	return r;
+      }
+
+      if (tok->u.repeat.possessive != 0) {
+	Node* en;
+	en = node_new_enclose(ENCLOSE_STOP_BACKTRACK);
+	if (IS_NULL(en)) {
+	  onig_node_free(qn);
+	  return ONIGERR_MEMORY;
+	}
+	NENCLOSE(en)->target = qn;
+	qn = en;
+      }
+
+      if (r == 0) {
+	*targetp = qn;
+      }
+      else if (r == 1) {
+	onig_node_free(qn);
+      }
+      else if (r == 2) { /* split case: /abc+/ */
+	Node *tmp;
+
+	*targetp = node_new_list(*targetp, NULL);
+	if (IS_NULL(*targetp)) {
+	  onig_node_free(qn);
+	  return ONIGERR_MEMORY;
+	}
+	tmp = NCDR(*targetp) = node_new_list(qn, NULL);
+	if (IS_NULL(tmp)) {
+	  onig_node_free(qn);
+	  return ONIGERR_MEMORY;
+	}
+	targetp = &(NCAR(tmp));
+      }
+      goto re_entry;
+    }
+  }
+
+  return r;
+}
+
+static int
+parse_branch(Node** top, OnigToken* tok, int term,
+	     UChar** src, UChar* end, ScanEnv* env)
+{
+  int r;
+  Node *node, **headp;
+
+  *top = NULL;
+  r = parse_exp(&node, tok, term, src, end, env);
+  if (r < 0) return r;
+
+  if (r == TK_EOT || r == term || r == TK_ALT) {
+    *top = node;
+  }
+  else {
+    *top  = node_new_list(node, NULL);
+    headp = &(NCDR(*top));
+    while (r != TK_EOT && r != term && r != TK_ALT) {
+      r = parse_exp(&node, tok, term, src, end, env);
+      if (r < 0) return r;
+
+      if (NTYPE(node) == NT_LIST) {
+	*headp = node;
+	while (IS_NOT_NULL(NCDR(node))) node = NCDR(node);
+	headp = &(NCDR(node));
+      }
+      else {
+	*headp = node_new_list(node, NULL);
+	headp = &(NCDR(*headp));
+      }
+    }
+  }
+
+  return r;
+}
+
+/* term_tok: TK_EOT or TK_SUBEXP_CLOSE */
+static int
+parse_subexp(Node** top, OnigToken* tok, int term,
+	     UChar** src, UChar* end, ScanEnv* env)
+{
+  int r;
+  Node *node, **headp;
+
+  *top = NULL;
+  r = parse_branch(&node, tok, term, src, end, env);
+  if (r < 0) {
+    onig_node_free(node);
+    return r;
+  }
+
+  if (r == term) {
+    *top = node;
+  }
+  else if (r == TK_ALT) {
+    *top  = onig_node_new_alt(node, NULL);
+    headp = &(NCDR(*top));
+    while (r == TK_ALT) {
+      r = fetch_token(tok, src, end, env);
+      if (r < 0) return r;
+      r = parse_branch(&node, tok, term, src, end, env);
+      if (r < 0) return r;
+
+      *headp = onig_node_new_alt(node, NULL);
+      headp = &(NCDR(*headp));
+    }
+
+    if (tok->type != (enum TokenSyms )term)
+      goto err;
+  }
+  else {
+  err:
+    if (term == TK_SUBEXP_CLOSE)
+      return ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS;
+    else
+      return ONIGERR_PARSER_BUG;
+  }
+
+  return r;
+}
+
+static int
+parse_regexp(Node** top, UChar** src, UChar* end, ScanEnv* env)
+{
+  int r;
+  OnigToken tok;
+
+  r = fetch_token(&tok, src, end, env);
+  if (r < 0) return r;
+  r = parse_subexp(top, &tok, TK_EOT, src, end, env);
+  if (r < 0) return r;
+  return 0;
+}
+
+extern int
+onig_parse_make_tree(Node** root, const UChar* pattern, const UChar* end,
+		     regex_t* reg, ScanEnv* env)
+{
+  int r;
+  UChar* p;
+
+#ifdef USE_NAMED_GROUP
+  names_clear(reg);
+#endif
+
+  scan_env_clear(env);
+  env->option         = reg->options;
+  env->case_fold_flag = reg->case_fold_flag;
+  env->enc            = reg->enc;
+  env->syntax         = reg->syntax;
+  env->pattern        = (UChar* )pattern;
+  env->pattern_end    = (UChar* )end;
+  env->reg            = reg;
+
+  *root = NULL;
+  p = (UChar* )pattern;
+  r = parse_regexp(root, &p, (UChar* )end, env);
+  reg->num_mem = env->num_mem;
+  return r;
+}
+
+extern void
+onig_scan_env_set_error_string(ScanEnv* env, int ecode ARG_UNUSED,
+				UChar* arg, UChar* arg_end)
+{
+  env->error     = arg;
+  env->error_end = arg_end;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regparse.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regparse.h
new file mode 100644
index 0000000000..d5edd6e698
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regparse.h
@@ -0,0 +1,353 @@
+#ifndef REGPARSE_H
+#define REGPARSE_H
+/**********************************************************************
+  regparse.h -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2007  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ * 
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regint.h"
+
+/* node type */
+#define NT_STR         0
+#define NT_CCLASS      1
+#define NT_CTYPE       2
+#define NT_CANY        3
+#define NT_BREF        4
+#define NT_QTFR        5
+#define NT_ENCLOSE     6
+#define NT_ANCHOR      7
+#define NT_LIST        8
+#define NT_ALT         9
+#define NT_CALL       10
+
+/* node type bit */
+#define NTYPE2BIT(type)      (1<<(type))
+
+#define BIT_NT_STR        NTYPE2BIT(NT_STR)
+#define BIT_NT_CCLASS     NTYPE2BIT(NT_CCLASS)
+#define BIT_NT_CTYPE      NTYPE2BIT(NT_CTYPE)
+#define BIT_NT_CANY       NTYPE2BIT(NT_CANY)
+#define BIT_NT_BREF       NTYPE2BIT(NT_BREF)
+#define BIT_NT_QTFR       NTYPE2BIT(NT_QTFR)
+#define BIT_NT_ENCLOSE    NTYPE2BIT(NT_ENCLOSE)
+#define BIT_NT_ANCHOR     NTYPE2BIT(NT_ANCHOR)
+#define BIT_NT_LIST       NTYPE2BIT(NT_LIST)
+#define BIT_NT_ALT        NTYPE2BIT(NT_ALT)
+#define BIT_NT_CALL       NTYPE2BIT(NT_CALL)
+
+#define IS_NODE_TYPE_SIMPLE(type) \
+  ((NTYPE2BIT(type) & (BIT_NT_STR | BIT_NT_CCLASS | BIT_NT_CTYPE |\
+                       BIT_NT_CANY | BIT_NT_BREF)) != 0)
+
+#define NTYPE(node)             ((node)->u.base.type)
+#define SET_NTYPE(node, ntype)   (node)->u.base.type = (ntype)
+
+#define NSTR(node)         (&((node)->u.str))
+#define NCCLASS(node)      (&((node)->u.cclass))
+#define NCTYPE(node)       (&((node)->u.ctype))
+#define NBREF(node)        (&((node)->u.bref))
+#define NQTFR(node)        (&((node)->u.qtfr))
+#define NENCLOSE(node)     (&((node)->u.enclose))
+#define NANCHOR(node)      (&((node)->u.anchor))
+#define NCONS(node)        (&((node)->u.cons))
+#define NCALL(node)        (&((node)->u.call))
+
+#define NCAR(node)         (NCONS(node)->car)
+#define NCDR(node)         (NCONS(node)->cdr)
+
+
+
+#define ANCHOR_ANYCHAR_STAR_MASK (ANCHOR_ANYCHAR_STAR | ANCHOR_ANYCHAR_STAR_ML)
+#define ANCHOR_END_BUF_MASK      (ANCHOR_END_BUF | ANCHOR_SEMI_END_BUF)
+
+#define ENCLOSE_MEMORY           (1<<0)
+#define ENCLOSE_OPTION           (1<<1)
+#define ENCLOSE_STOP_BACKTRACK   (1<<2)
+
+#define NODE_STR_MARGIN         16
+#define NODE_STR_BUF_SIZE       24  /* sizeof(CClassNode) - sizeof(int)*4 */
+#define NODE_BACKREFS_SIZE       6
+
+#define NSTR_RAW                (1<<0) /* by backslashed number */
+#define NSTR_AMBIG              (1<<1)
+#define NSTR_DONT_GET_OPT_INFO  (1<<2)
+
+#define NSTRING_LEN(node)             ((int)((node)->u.str.end - (node)->u.str.s))
+#define NSTRING_SET_RAW(node)          (node)->u.str.flag |= NSTR_RAW
+#define NSTRING_CLEAR_RAW(node)        (node)->u.str.flag &= ~NSTR_RAW
+#define NSTRING_SET_AMBIG(node)        (node)->u.str.flag |= NSTR_AMBIG
+#define NSTRING_SET_DONT_GET_OPT_INFO(node) \
+  (node)->u.str.flag |= NSTR_DONT_GET_OPT_INFO
+#define NSTRING_IS_RAW(node)          (((node)->u.str.flag & NSTR_RAW)   != 0)
+#define NSTRING_IS_AMBIG(node)        (((node)->u.str.flag & NSTR_AMBIG) != 0)
+#define NSTRING_IS_DONT_GET_OPT_INFO(node) \
+  (((node)->u.str.flag & NSTR_DONT_GET_OPT_INFO) != 0)
+
+#define BACKREFS_P(br) \
+  (IS_NOT_NULL((br)->back_dynamic) ? (br)->back_dynamic : (br)->back_static);
+
+#define NQ_TARGET_ISNOT_EMPTY     0
+#define NQ_TARGET_IS_EMPTY        1
+#define NQ_TARGET_IS_EMPTY_MEM    2
+#define NQ_TARGET_IS_EMPTY_REC    3
+
+/* status bits */
+#define NST_MIN_FIXED             (1<<0)
+#define NST_MAX_FIXED             (1<<1)
+#define NST_CLEN_FIXED            (1<<2)
+#define NST_MARK1                 (1<<3)
+#define NST_MARK2                 (1<<4)
+#define NST_MEM_BACKREFED         (1<<5)
+#define NST_STOP_BT_SIMPLE_REPEAT (1<<6)
+#define NST_RECURSION             (1<<7)
+#define NST_CALLED                (1<<8)
+#define NST_ADDR_FIXED            (1<<9)
+#define NST_NAMED_GROUP           (1<<10)
+#define NST_NAME_REF              (1<<11)
+#define NST_IN_REPEAT             (1<<12) /* STK_REPEAT is nested in stack. */
+#define NST_NEST_LEVEL            (1<<13)
+#define NST_BY_NUMBER             (1<<14) /* {n,m} */
+
+#define SET_ENCLOSE_STATUS(node,f)      (node)->u.enclose.state |=  (f)
+#define CLEAR_ENCLOSE_STATUS(node,f)    (node)->u.enclose.state &= ~(f)
+
+#define IS_ENCLOSE_CALLED(en)          (((en)->state & NST_CALLED)        != 0)
+#define IS_ENCLOSE_ADDR_FIXED(en)      (((en)->state & NST_ADDR_FIXED)    != 0)
+#define IS_ENCLOSE_RECURSION(en)       (((en)->state & NST_RECURSION)     != 0)
+#define IS_ENCLOSE_MARK1(en)           (((en)->state & NST_MARK1)         != 0)
+#define IS_ENCLOSE_MARK2(en)           (((en)->state & NST_MARK2)         != 0)
+#define IS_ENCLOSE_MIN_FIXED(en)       (((en)->state & NST_MIN_FIXED)     != 0)
+#define IS_ENCLOSE_MAX_FIXED(en)       (((en)->state & NST_MAX_FIXED)     != 0)
+#define IS_ENCLOSE_CLEN_FIXED(en)      (((en)->state & NST_CLEN_FIXED)    != 0)
+#define IS_ENCLOSE_STOP_BT_SIMPLE_REPEAT(en) \
+    (((en)->state & NST_STOP_BT_SIMPLE_REPEAT) != 0)
+#define IS_ENCLOSE_NAMED_GROUP(en)     (((en)->state & NST_NAMED_GROUP)   != 0)
+
+#define SET_CALL_RECURSION(node)       (node)->u.call.state |= NST_RECURSION
+#define IS_CALL_RECURSION(cn)          (((cn)->state & NST_RECURSION)  != 0)
+#define IS_CALL_NAME_REF(cn)           (((cn)->state & NST_NAME_REF)   != 0)
+#define IS_BACKREF_NAME_REF(bn)        (((bn)->state & NST_NAME_REF)   != 0)
+#define IS_BACKREF_NEST_LEVEL(bn)      (((bn)->state & NST_NEST_LEVEL) != 0)
+#define IS_QUANTIFIER_IN_REPEAT(qn)    (((qn)->state & NST_IN_REPEAT)  != 0)
+#define IS_QUANTIFIER_BY_NUMBER(qn)    (((qn)->state & NST_BY_NUMBER)  != 0)
+
+#define CALLNODE_REFNUM_UNDEF  -1
+
+typedef struct {
+  NodeBase base;
+  UChar* s;
+  UChar* end;
+  unsigned int flag;
+  int    capa;    /* (allocated size - 1) or 0: use buf[] */
+  UChar  buf[NODE_STR_BUF_SIZE];
+} StrNode;
+
+typedef struct {
+  NodeBase base;
+  int state;
+  struct _Node* target;
+  int lower;
+  int upper;
+  int greedy;
+  int target_empty_info;
+  struct _Node* head_exact;
+  struct _Node* next_head_exact;
+  int is_refered;     /* include called node. don't eliminate even if {0} */
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  int comb_exp_check_num;  /* 1,2,3...: check,  0: no check  */
+#endif
+} QtfrNode;
+
+typedef struct {
+  NodeBase base;
+  int state;
+  int type;
+  int regnum;
+  OnigOptionType option;
+  struct _Node*  target;
+  AbsAddrType    call_addr;
+  /* for multiple call reference */
+  OnigDistance min_len; /* min length (byte) */
+  OnigDistance max_len; /* max length (byte) */ 
+  int char_len;         /* character length  */
+  int opt_count;        /* referenced count in optimize_node_left() */
+} EncloseNode;
+
+#ifdef USE_SUBEXP_CALL
+
+typedef struct {
+  int           offset;
+  struct _Node* target;
+} UnsetAddr;
+
+typedef struct {
+  int        num;
+  int        alloc;
+  UnsetAddr* us;
+} UnsetAddrList;
+
+typedef struct {
+  NodeBase base;
+  int     state;
+  int     group_num;
+  UChar*  name;
+  UChar*  name_end;
+  struct _Node*  target;  /* EncloseNode : ENCLOSE_MEMORY */
+  UnsetAddrList* unset_addr_list;
+} CallNode;
+
+#endif
+
+typedef struct {
+  NodeBase base;
+  int  state;
+  int  back_num;
+  int  back_static[NODE_BACKREFS_SIZE];
+  int* back_dynamic;
+  int  nest_level;
+} BRefNode;
+
+typedef struct {
+  NodeBase base;
+  int type;
+  struct _Node* target;
+  int char_len;
+} AnchorNode;
+
+typedef struct {
+  NodeBase base;
+  struct _Node* car;
+  struct _Node* cdr;
+} ConsAltNode;
+
+typedef struct {
+  NodeBase base;
+  int ctype;
+  int not;
+} CtypeNode;
+
+typedef struct _Node {
+  union {
+    NodeBase     base;
+    StrNode      str;
+    CClassNode   cclass;
+    QtfrNode     qtfr;
+    EncloseNode  enclose;
+    BRefNode     bref;
+    AnchorNode   anchor;
+    ConsAltNode  cons;
+    CtypeNode    ctype;
+#ifdef USE_SUBEXP_CALL
+    CallNode     call;
+#endif
+  } u;
+} Node;
+
+
+#define NULL_NODE  ((Node* )0)
+
+#define SCANENV_MEMNODES_SIZE               8
+#define SCANENV_MEM_NODES(senv)   \
+ (IS_NOT_NULL((senv)->mem_nodes_dynamic) ? \
+    (senv)->mem_nodes_dynamic : (senv)->mem_nodes_static)
+
+typedef struct {
+  OnigOptionType   option;
+  OnigCaseFoldType case_fold_flag;
+  OnigEncoding     enc;
+  OnigSyntaxType*  syntax;
+  BitStatusType    capture_history;
+  BitStatusType    bt_mem_start;
+  BitStatusType    bt_mem_end;
+  BitStatusType    backrefed_mem;
+  UChar*           pattern;
+  UChar*           pattern_end;
+  UChar*           error;
+  UChar*           error_end;
+  regex_t*         reg;       /* for reg->names only */
+  int              num_call;
+#ifdef USE_SUBEXP_CALL
+  UnsetAddrList*   unset_addr_list;
+#endif
+  int              num_mem;
+#ifdef USE_NAMED_GROUP
+  int              num_named;
+#endif
+  int              mem_alloc;
+  Node*            mem_nodes_static[SCANENV_MEMNODES_SIZE];
+  Node**           mem_nodes_dynamic;
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+  int num_comb_exp_check;
+  int comb_exp_max_regnum;
+  int curr_max_regnum;
+  int has_recursion;
+#endif
+} ScanEnv;
+
+
+#define IS_SYNTAX_OP(syn, opm)    (((syn)->op  & (opm)) != 0)
+#define IS_SYNTAX_OP2(syn, opm)   (((syn)->op2 & (opm)) != 0)
+#define IS_SYNTAX_BV(syn, bvm)    (((syn)->behavior & (bvm)) != 0)
+
+#ifdef USE_NAMED_GROUP
+typedef struct {
+  int new_val;
+} GroupNumRemap;
+
+extern int    onig_renumber_name_table P_((regex_t* reg, GroupNumRemap* map));
+#endif
+
+extern int    onig_strncmp P_((const UChar* s1, const UChar* s2, int n));
+extern void   onig_strcpy P_((UChar* dest, const UChar* src, const UChar* end));
+extern void   onig_scan_env_set_error_string P_((ScanEnv* env, int ecode, UChar* arg, UChar* arg_end));
+extern int    onig_scan_unsigned_number P_((UChar** src, const UChar* end, OnigEncoding enc));
+extern void   onig_reduce_nested_quantifier P_((Node* pnode, Node* cnode));
+extern void   onig_node_conv_to_str_node P_((Node* node, int raw));
+extern int    onig_node_str_cat P_((Node* node, const UChar* s, const UChar* end));
+extern int    onig_node_str_set P_((Node* node, const UChar* s, const UChar* end));
+extern void   onig_node_free P_((Node* node));
+extern Node*  onig_node_new_enclose P_((int type));
+extern Node*  onig_node_new_anchor P_((int type));
+extern Node*  onig_node_new_str P_((const UChar* s, const UChar* end));
+extern Node*  onig_node_new_list P_((Node* left, Node* right));
+extern Node*  onig_node_list_add P_((Node* list, Node* x));
+extern Node*  onig_node_new_alt P_((Node* left, Node* right));
+extern void   onig_node_str_clear P_((Node* node));
+extern int    onig_free_node_list P_((void));
+extern int    onig_names_free P_((regex_t* reg));
+extern int    onig_parse_make_tree P_((Node** root, const UChar* pattern, const UChar* end, regex_t* reg, ScanEnv* env));
+extern int    onig_free_shared_cclass_table P_((void));
+
+#ifdef ONIG_DEBUG
+#ifdef USE_NAMED_GROUP
+extern int onig_print_names(FILE*, regex_t*);
+#endif
+#endif
+
+#endif /* REGPARSE_H */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regposerr.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regposerr.c
new file mode 100644
index 0000000000..e5ff3f5b40
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regposerr.c
@@ -0,0 +1,102 @@
+/**********************************************************************
+  regposerr.c - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2007  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR> 
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*#include "config.h"*/
+#include "onigposix.h"
+
+#if 0
+#ifdef HAVE_STRING_H
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+#endif
+
+#if defined(__GNUC__)
+#  define ARG_UNUSED  __attribute__ ((unused))
+#else
+#  define ARG_UNUSED
+#endif
+
+static char* ESTRING[] = {
+  NULL,
+  "failed to match",                         /* REG_NOMATCH    */
+  "Invalid regular expression",              /* REG_BADPAT     */
+  "invalid collating element referenced",    /* REG_ECOLLATE   */
+  "invalid character class type referenced", /* REG_ECTYPE     */
+  "bad backslash-escape sequence",           /* REG_EESCAPE    */
+  "invalid back reference number",           /* REG_ESUBREG    */
+  "imbalanced [ and ]",                      /* REG_EBRACK     */
+  "imbalanced ( and )",                      /* REG_EPAREN     */
+  "imbalanced { and }",                      /* REG_EBRACE     */
+  "invalid repeat range {n,m}",              /* REG_BADBR      */
+  "invalid range",                           /* REG_ERANGE     */
+  "Out of memory",                           /* REG_ESPACE     */
+  "? * + not preceded by valid regular expression", /* REG_BADRPT   */
+
+  /* Extended errors */
+  "internal error",                          /* REG_EONIG_INTERNAL */
+  "invalid wide char value",                 /* REG_EONIG_BADWC    */
+  "invalid argument",                        /* REG_EONIG_BADARG   */
+  "multi-thread error"                       /* REG_EONIG_THREAD   */
+};
+
+//#include <stdio.h>
+
+
+extern size_t
+regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf,
+	 size_t size)
+{
+  char* s;
+  char tbuf[35];
+  size_t len;
+
+  if (posix_ecode > 0
+      && posix_ecode < (int )(sizeof(ESTRING) / sizeof(ESTRING[0]))) {
+    s = ESTRING[posix_ecode];
+  }
+  else if (posix_ecode == 0) {
+    s = "";
+  }
+  else {
+    sprintf(tbuf, "undefined error code (%d)", posix_ecode);
+    s = tbuf;
+  }
+
+  len = strlen_s(s, MAX_STRING_SIZE) + 1; /* use strlen() because s is ascii encoding. */
+
+  if (buf != NULL && size > 0) {
+    strncpy_s(buf, size, s, size - 1);
+    buf[size - 1] = '\0';
+  }
+  return len;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regposix.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regposix.c
new file mode 100644
index 0000000000..adc9b0affd
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regposix.c
@@ -0,0 +1,305 @@
+/**********************************************************************
+  regposix.c - Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#define regex_t   onig_regex_t
+#include "regint.h"
+#undef regex_t
+#include "onigposix.h"
+
+#define ONIG_C(reg)    ((onig_regex_t* )((reg)->onig))
+#define PONIG_C(reg)   ((onig_regex_t** )(&(reg)->onig))
+
+/* #define ENC_STRING_LEN(enc,s,len)    len = strlen(s) */
+#define ENC_STRING_LEN(enc,s,len) do { \
+  if (ONIGENC_MBC_MINLEN(enc) == 1) { \
+    UChar* tmps = (UChar* )(s); \
+    while (*tmps != 0) tmps++; \
+    len = (int)(tmps - (UChar* )(s)); \
+  } \
+  else { \
+    len = onigenc_str_bytelen_null(enc, (UChar* )s); \
+  } \
+} while(0)
+
+typedef struct {
+  int onig_err;
+  int posix_err;
+} O2PERR;
+
+static int
+onig2posix_error_code(int code)
+{
+  static const O2PERR o2p[] = {
+    { ONIG_MISMATCH,                                      REG_NOMATCH },
+    { ONIG_NO_SUPPORT_CONFIG,                             REG_EONIG_INTERNAL },
+    { ONIGERR_MEMORY,                                     REG_ESPACE  },
+    { ONIGERR_MATCH_STACK_LIMIT_OVER,                     REG_EONIG_INTERNAL },
+    { ONIGERR_TYPE_BUG,                                   REG_EONIG_INTERNAL },
+    { ONIGERR_PARSER_BUG,                                 REG_EONIG_INTERNAL },
+    { ONIGERR_STACK_BUG,                                  REG_EONIG_INTERNAL },
+    { ONIGERR_UNDEFINED_BYTECODE,                         REG_EONIG_INTERNAL },
+    { ONIGERR_UNEXPECTED_BYTECODE,                        REG_EONIG_INTERNAL },
+    { ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED,             REG_EONIG_BADARG },
+    { ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR, REG_EONIG_BADARG },
+    { ONIGERR_INVALID_ARGUMENT,                           REG_EONIG_BADARG },
+    { ONIGERR_END_PATTERN_AT_LEFT_BRACE,                  REG_EBRACE  },
+    { ONIGERR_END_PATTERN_AT_LEFT_BRACKET,                REG_EBRACK  },
+    { ONIGERR_EMPTY_CHAR_CLASS,                           REG_ECTYPE  },
+    { ONIGERR_PREMATURE_END_OF_CHAR_CLASS,                REG_ECTYPE  },
+    { ONIGERR_END_PATTERN_AT_ESCAPE,                      REG_EESCAPE },
+    { ONIGERR_END_PATTERN_AT_META,                        REG_EESCAPE },
+    { ONIGERR_END_PATTERN_AT_CONTROL,                     REG_EESCAPE },
+    { ONIGERR_META_CODE_SYNTAX,                           REG_BADPAT  },
+    { ONIGERR_CONTROL_CODE_SYNTAX,                        REG_BADPAT  },
+    { ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE,           REG_ECTYPE  },
+    { ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE,         REG_ECTYPE  },
+    { ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS,    REG_ECTYPE  },
+    { ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED,    REG_BADRPT  },
+    { ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID,          REG_BADRPT  },
+    { ONIGERR_NESTED_REPEAT_OPERATOR,                     REG_BADRPT  },
+    { ONIGERR_UNMATCHED_CLOSE_PARENTHESIS,                REG_EPAREN  },
+    { ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS,     REG_EPAREN  },
+    { ONIGERR_END_PATTERN_IN_GROUP,                       REG_BADPAT  },
+    { ONIGERR_UNDEFINED_GROUP_OPTION,                     REG_BADPAT  },
+    { ONIGERR_INVALID_POSIX_BRACKET_TYPE,                 REG_BADPAT  },
+    { ONIGERR_INVALID_LOOK_BEHIND_PATTERN,                REG_BADPAT  },
+    { ONIGERR_INVALID_REPEAT_RANGE_PATTERN,               REG_BADPAT  },
+    { ONIGERR_TOO_BIG_NUMBER,                             REG_BADPAT  },
+    { ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE,            REG_BADBR   },
+    { ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE,   REG_BADBR   },
+    { ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS,                  REG_ECTYPE  },
+    { ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE,        REG_ECTYPE  },
+    { ONIGERR_TOO_MANY_MULTI_BYTE_RANGES,                 REG_ECTYPE  },
+    { ONIGERR_TOO_SHORT_MULTI_BYTE_STRING,                REG_BADPAT  },
+    { ONIGERR_TOO_BIG_BACKREF_NUMBER,                     REG_ESUBREG },
+    { ONIGERR_INVALID_BACKREF,                            REG_ESUBREG },
+    { ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED,       REG_BADPAT  },
+    { ONIGERR_TOO_BIG_WIDE_CHAR_VALUE,                    REG_EONIG_BADWC },
+    { ONIGERR_TOO_LONG_WIDE_CHAR_VALUE,                   REG_EONIG_BADWC },
+    { ONIGERR_INVALID_CODE_POINT_VALUE,                   REG_EONIG_BADWC },
+    { ONIGERR_EMPTY_GROUP_NAME,                           REG_BADPAT },
+    { ONIGERR_INVALID_GROUP_NAME,                         REG_BADPAT },
+    { ONIGERR_INVALID_CHAR_IN_GROUP_NAME,                 REG_BADPAT },
+    { ONIGERR_UNDEFINED_NAME_REFERENCE,                   REG_BADPAT },
+    { ONIGERR_UNDEFINED_GROUP_REFERENCE,                  REG_BADPAT },
+    { ONIGERR_MULTIPLEX_DEFINED_NAME,                     REG_BADPAT },
+    { ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL,             REG_BADPAT },
+    { ONIGERR_NEVER_ENDING_RECURSION,                     REG_BADPAT },
+    { ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY,      REG_BADPAT },
+    { ONIGERR_INVALID_CHAR_PROPERTY_NAME,                 REG_BADPAT },
+    { ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION,         REG_EONIG_BADARG },
+    { ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT,               REG_EONIG_THREAD }
+
+  };
+
+  int i;
+
+  if (code >= 0) return 0;
+
+  for (i = 0; i < (int )(sizeof(o2p) / sizeof(o2p[0])); i++) {
+    if (code == o2p[i].onig_err)
+      return o2p[i].posix_err;
+  }
+
+  return REG_EONIG_INTERNAL;  /* but, unknown error code */
+}
+
+extern int
+regcomp(regex_t* reg, const char* pattern, int posix_options)
+{
+  int r, len;
+  OnigSyntaxType* syntax = OnigDefaultSyntax;
+  OnigOptionType options;
+
+  if ((posix_options & REG_EXTENDED) == 0)
+    syntax = ONIG_SYNTAX_POSIX_BASIC;
+
+  options = syntax->options;
+  if ((posix_options & REG_ICASE)   != 0)
+    ONIG_OPTION_ON(options, ONIG_OPTION_IGNORECASE);
+  if ((posix_options & REG_NEWLINE) != 0) {
+    ONIG_OPTION_ON( options, ONIG_OPTION_NEGATE_SINGLELINE);
+    ONIG_OPTION_OFF(options, ONIG_OPTION_SINGLELINE);
+  }
+
+  reg->comp_options = posix_options;
+
+  ENC_STRING_LEN(OnigEncDefaultCharEncoding, pattern, len);
+  r = onig_new(PONIG_C(reg), (UChar* )pattern, (UChar* )(pattern + len),
+	       options, OnigEncDefaultCharEncoding, syntax,
+	       (OnigErrorInfo* )NULL);
+  if (r != ONIG_NORMAL) {
+    return onig2posix_error_code(r);
+  }
+
+  reg->re_nsub = ONIG_C(reg)->num_mem;
+  return 0;
+}
+
+extern int
+regexec(regex_t* reg, const char* str, size_t nmatch,
+	regmatch_t pmatch[], int posix_options)
+{
+  int r, i, len;
+  UChar* end;
+  regmatch_t* pm;
+  OnigOptionType options;
+
+  options = ONIG_OPTION_POSIX_REGION;
+  if ((posix_options & REG_NOTBOL) != 0) options |= ONIG_OPTION_NOTBOL;
+  if ((posix_options & REG_NOTEOL) != 0) options |= ONIG_OPTION_NOTEOL;
+
+  if (nmatch == 0 || (reg->comp_options & REG_NOSUB) != 0) {
+    pm = (regmatch_t* )NULL;
+    nmatch = 0;
+  }
+  else if ((int )nmatch < ONIG_C(reg)->num_mem + 1) {
+    pm = (regmatch_t* )xmalloc(sizeof(regmatch_t)
+                               * (ONIG_C(reg)->num_mem + 1));
+    if (pm == NULL)
+      return REG_ESPACE;
+  }
+  else {
+    pm = pmatch;
+  }
+
+  ENC_STRING_LEN(ONIG_C(reg)->enc, str, len);
+  end = (UChar* )(str + len);
+  r = onig_search(ONIG_C(reg), (UChar* )str, end, (UChar* )str, end,
+		  (OnigRegion* )pm, options);
+
+  if (r >= 0) {
+    r = 0; /* Match */
+    if (pm != pmatch && pm != NULL) {
+      xmemcpy(pmatch, pm, sizeof(regmatch_t) * nmatch);
+    }
+  }
+  else if (r == ONIG_MISMATCH) {
+    r = REG_NOMATCH;
+    for (i = 0; i < (int )nmatch; i++)
+      pmatch[i].rm_so = pmatch[i].rm_eo = ONIG_REGION_NOTPOS;
+  }
+  else {
+    r = onig2posix_error_code(r);
+  }
+
+  if (pm != pmatch && pm != NULL)
+    xfree(pm);
+
+#if 0
+  if (reg->re_nsub > nmatch - 1)
+    reg->re_nsub = (nmatch <= 1 ? 0 : nmatch - 1);
+#endif
+
+  return r;
+}
+
+extern void
+regfree(regex_t* reg)
+{
+  onig_free(ONIG_C(reg));
+}
+
+
+extern void
+reg_set_encoding(int mb_code)
+{
+  OnigEncoding enc;
+
+  switch (mb_code) {
+  case REG_POSIX_ENCODING_ASCII:
+    enc = ONIG_ENCODING_ASCII;
+    break;
+  case REG_POSIX_ENCODING_EUC_JP:
+    enc = ONIG_ENCODING_EUC_JP;
+    break;
+  case REG_POSIX_ENCODING_SJIS:
+    enc = ONIG_ENCODING_SJIS;
+    break;
+  case REG_POSIX_ENCODING_UTF8:
+    enc = ONIG_ENCODING_UTF8;
+    break;
+  case REG_POSIX_ENCODING_UTF16_BE:
+    enc = ONIG_ENCODING_UTF16_BE;
+    break;
+  case REG_POSIX_ENCODING_UTF16_LE:
+    enc = ONIG_ENCODING_UTF16_LE;
+    break;
+
+  default:
+    return ;
+    break;
+  }
+
+  onigenc_set_default_encoding(enc);
+}
+
+extern int
+reg_name_to_group_numbers(regex_t* reg,
+  const unsigned char* name, const unsigned char* name_end, int** nums)
+{
+  return onig_name_to_group_numbers(ONIG_C(reg), name, name_end, nums);
+}
+
+typedef struct {
+  int (*func)(const unsigned char*, const unsigned char*,int,int*,regex_t*,void*);
+  regex_t* reg;
+  void* arg;
+} i_wrap;
+
+static int
+i_wrapper(const UChar* name, const UChar* name_end, int ng, int* gs,
+	  onig_regex_t* reg ARG_UNUSED, void* arg)
+{
+  i_wrap* warg = (i_wrap* )arg;
+
+  return (*warg->func)(name, name_end, ng, gs, warg->reg, warg->arg);
+}
+
+extern int
+reg_foreach_name(regex_t* reg,
+ int (*func)(const unsigned char*, const unsigned char*,int,int*,regex_t*,void*),
+ void* arg)
+{
+  i_wrap warg;
+
+  warg.func = func;
+  warg.reg  = reg;
+  warg.arg  = arg;
+
+  return onig_foreach_name(ONIG_C(reg), i_wrapper, &warg);
+}
+
+extern int
+reg_number_of_names(regex_t* reg)
+{
+  return onig_number_of_names(ONIG_C(reg));
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regsyntax.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regsyntax.c
new file mode 100644
index 0000000000..dc4d68183b
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regsyntax.c
@@ -0,0 +1,315 @@
+/**********************************************************************
+  regsyntax.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2006  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regint.h"
+
+OnigSyntaxType OnigSyntaxASIS = {
+    0
+  , ONIG_SYN_OP2_INEFFECTIVE_ESCAPE
+  , 0
+  , ONIG_OPTION_NONE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType OnigSyntaxPosixBasic = {
+  ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_ESC_LPAREN_SUBEXP |
+    ONIG_SYN_OP_ESC_BRACE_INTERVAL )
+  , 0
+  , 0
+  , ( ONIG_OPTION_SINGLELINE | ONIG_OPTION_MULTILINE )
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType OnigSyntaxPosixExtended = {
+  ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_LPAREN_SUBEXP |
+    ONIG_SYN_OP_BRACE_INTERVAL |
+    ONIG_SYN_OP_PLUS_ONE_INF | ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_VBAR_ALT )
+  , 0
+  , ( ONIG_SYN_CONTEXT_INDEP_ANCHORS | 
+      ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS | ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS | 
+      ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP |
+      ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC )
+  , ( ONIG_OPTION_SINGLELINE | ONIG_OPTION_MULTILINE )
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType OnigSyntaxEmacs = {
+  ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC |
+    ONIG_SYN_OP_ESC_BRACE_INTERVAL |
+    ONIG_SYN_OP_ESC_LPAREN_SUBEXP | ONIG_SYN_OP_ESC_VBAR_ALT |
+    ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF |
+    ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_DECIMAL_BACKREF |
+    ONIG_SYN_OP_LINE_ANCHOR | ONIG_SYN_OP_ESC_CONTROL_CHARS )
+  , ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR
+  , ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC
+  , ONIG_OPTION_NONE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType OnigSyntaxGrep = {
+  ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC | ONIG_SYN_OP_POSIX_BRACKET |
+    ONIG_SYN_OP_ESC_BRACE_INTERVAL | ONIG_SYN_OP_ESC_LPAREN_SUBEXP |
+    ONIG_SYN_OP_ESC_VBAR_ALT |
+    ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_ESC_PLUS_ONE_INF |
+    ONIG_SYN_OP_ESC_QMARK_ZERO_ONE | ONIG_SYN_OP_LINE_ANCHOR |
+    ONIG_SYN_OP_ESC_W_WORD | ONIG_SYN_OP_ESC_B_WORD_BOUND |
+    ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | ONIG_SYN_OP_DECIMAL_BACKREF )
+  , 0
+  , ( ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC | ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC )
+  , ONIG_OPTION_NONE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType OnigSyntaxGnuRegex = {
+  SYN_GNU_REGEX_OP
+  , 0
+  , SYN_GNU_REGEX_BV
+  , ONIG_OPTION_NONE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType OnigSyntaxJava = {
+  (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
+     ONIG_SYN_OP_ESC_CONTROL_CHARS | ONIG_SYN_OP_ESC_C_CONTROL |
+     ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 )
+   & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
+  , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE | ONIG_SYN_OP2_QMARK_GROUP_EFFECT |
+      ONIG_SYN_OP2_OPTION_PERL | ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT |
+      ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL | ONIG_SYN_OP2_CCLASS_SET_OP |
+      ONIG_SYN_OP2_ESC_V_VTAB | ONIG_SYN_OP2_ESC_U_HEX4 |
+      ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY )
+  , ( SYN_GNU_REGEX_BV | ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND )
+  , ONIG_OPTION_SINGLELINE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+OnigSyntaxType OnigSyntaxPerl = {
+  (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
+     ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 |
+     ONIG_SYN_OP_ESC_X_BRACE_HEX8 | ONIG_SYN_OP_ESC_CONTROL_CHARS |
+     ONIG_SYN_OP_ESC_C_CONTROL )
+   & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
+  , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE |
+      ONIG_SYN_OP2_QMARK_GROUP_EFFECT | ONIG_SYN_OP2_OPTION_PERL |
+      ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY |
+      ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT )
+  , SYN_GNU_REGEX_BV
+  , ONIG_OPTION_SINGLELINE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+/* Perl + named group */
+OnigSyntaxType OnigSyntaxPerl_NG = {
+  (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
+     ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 |
+     ONIG_SYN_OP_ESC_X_BRACE_HEX8 | ONIG_SYN_OP_ESC_CONTROL_CHARS |
+     ONIG_SYN_OP_ESC_C_CONTROL )
+   & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
+  , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE |
+      ONIG_SYN_OP2_QMARK_GROUP_EFFECT | ONIG_SYN_OP2_OPTION_PERL |
+      ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY  |
+      ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
+      ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP       |
+      ONIG_SYN_OP2_ESC_K_NAMED_BACKREF        |
+      ONIG_SYN_OP2_ESC_G_SUBEXP_CALL )
+  , ( SYN_GNU_REGEX_BV |
+      ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP |
+      ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME )
+  , ONIG_OPTION_SINGLELINE
+  ,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  }
+};
+
+
+
+extern int
+onig_set_default_syntax(OnigSyntaxType* syntax)
+{
+  if (IS_NULL(syntax))
+    syntax = ONIG_SYNTAX_RUBY;
+
+  OnigDefaultSyntax = syntax;
+  return 0;
+}
+
+extern void
+onig_copy_syntax(OnigSyntaxType* to, OnigSyntaxType* from)
+{
+  *to = *from;
+}
+
+extern void
+onig_set_syntax_op(OnigSyntaxType* syntax, unsigned int op)
+{
+  syntax->op = op;
+}
+
+extern void
+onig_set_syntax_op2(OnigSyntaxType* syntax, unsigned int op2)
+{
+  syntax->op2 = op2;
+}
+
+extern void
+onig_set_syntax_behavior(OnigSyntaxType* syntax, unsigned int behavior)
+{
+  syntax->behavior = behavior;
+}
+
+extern void
+onig_set_syntax_options(OnigSyntaxType* syntax, OnigOptionType options)
+{
+  syntax->options = options;
+}
+
+extern unsigned int
+onig_get_syntax_op(OnigSyntaxType* syntax)
+{
+  return syntax->op;
+}
+
+extern unsigned int
+onig_get_syntax_op2(OnigSyntaxType* syntax)
+{
+  return syntax->op2;
+}
+
+extern unsigned int
+onig_get_syntax_behavior(OnigSyntaxType* syntax)
+{
+  return syntax->behavior;
+}
+
+extern OnigOptionType
+onig_get_syntax_options(OnigSyntaxType* syntax)
+{
+  return syntax->options;
+}
+
+#ifdef USE_VARIABLE_META_CHARS
+extern int onig_set_meta_char(OnigSyntaxType* enc,
+                              unsigned int what, OnigCodePoint code)
+{
+  switch (what) {
+  case ONIG_META_CHAR_ESCAPE:
+    enc->meta_char_table.esc = code;
+    break;
+  case ONIG_META_CHAR_ANYCHAR:
+    enc->meta_char_table.anychar = code;
+    break;
+  case ONIG_META_CHAR_ANYTIME:
+    enc->meta_char_table.anytime = code;
+    break;
+  case ONIG_META_CHAR_ZERO_OR_ONE_TIME:
+    enc->meta_char_table.zero_or_one_time = code;
+    break;
+  case ONIG_META_CHAR_ONE_OR_MORE_TIME:
+    enc->meta_char_table.one_or_more_time = code;
+    break;
+  case ONIG_META_CHAR_ANYCHAR_ANYTIME:
+    enc->meta_char_table.anychar_anytime = code;
+    break;
+  default:
+    return ONIGERR_INVALID_ARGUMENT;
+    break;
+  }
+  return 0;
+}
+#endif /* USE_VARIABLE_META_CHARS */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regtrav.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regtrav.c
new file mode 100644
index 0000000000..fbc71d899f
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regtrav.c
@@ -0,0 +1,76 @@
+/**********************************************************************
+  regtrav.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2004  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regint.h"
+
+#ifdef USE_CAPTURE_HISTORY
+
+static int
+capture_tree_traverse(OnigCaptureTreeNode* node, int at,
+                      int(*callback_func)(int,int,int,int,int,void*),
+                      int level, void* arg)
+{
+  int r, i;
+
+  if (node == (OnigCaptureTreeNode* )0)
+    return 0;
+
+  if ((at & ONIG_TRAVERSE_CALLBACK_AT_FIRST) != 0) {
+    r = (*callback_func)(node->group, node->beg, node->end,
+                         level, ONIG_TRAVERSE_CALLBACK_AT_FIRST, arg);
+    if (r != 0) return r;
+  }
+
+  for (i = 0; i < node->num_childs; i++) {
+    r = capture_tree_traverse(node->childs[i], at,
+                              callback_func, level + 1, arg);
+    if (r != 0) return r;
+  }
+
+  if ((at & ONIG_TRAVERSE_CALLBACK_AT_LAST) != 0) {
+    r = (*callback_func)(node->group, node->beg, node->end,
+                         level, ONIG_TRAVERSE_CALLBACK_AT_LAST, arg);
+    if (r != 0) return r;
+  }
+
+  return 0;
+}
+#endif /* USE_CAPTURE_HISTORY */
+
+extern int
+onig_capture_tree_traverse(OnigRegion* region, int at,
+                  int(*callback_func)(int,int,int,int,int,void*), void* arg)
+{
+#ifdef USE_CAPTURE_HISTORY
+  return capture_tree_traverse(region->history_root, at,
+                               callback_func, 0, arg);
+#else
+  return ONIG_NO_SUPPORT_CONFIG;
+#endif
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regversion.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regversion.c
new file mode 100644
index 0000000000..087c6ad899
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regversion.c
@@ -0,0 +1,56 @@
+/**********************************************************************
+  regversion.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2008  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+//#include "config.h"
+#include "oniguruma.h"
+//#include <stdio.h>
+
+extern const char*
+onig_version(void)
+{
+  static char s[12];
+
+  sprintf(s, "%d.%d.%d",
+          ONIGURUMA_VERSION_MAJOR,
+          ONIGURUMA_VERSION_MINOR,
+          ONIGURUMA_VERSION_TEENY);
+  return s;
+}
+
+extern const char*
+onig_copyright(void)
+{
+  static char s[58];
+
+  sprintf(s, "Oniguruma %d.%d.%d : Copyright (C) 2002-2008 K.Kosako",
+          ONIGURUMA_VERSION_MAJOR,
+          ONIGURUMA_VERSION_MINOR,
+          ONIGURUMA_VERSION_TEENY);
+  return s;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/st.c b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/st.c
new file mode 100644
index 0000000000..1527fcc439
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/st.c
@@ -0,0 +1,579 @@
+/* This is a public domain general purpose hash table package written by Peter Moore @ UCB. */
+
+/* static	char	sccsid[] = "@(#) st.c 5.1 89/12/14 Crucible"; */
+
+//#include <stdio.h>
+//#include <stdlib.h>
+//#include <string.h>
+#include "OnigurumaUefiPort.h"
+
+#ifdef _WIN32
+#include <malloc.h>
+#endif
+
+#include "regint.h"
+#include "st.h"
+
+typedef struct st_table_entry st_table_entry;
+
+struct st_table_entry {
+    unsigned int hash;
+    st_data_t key;
+    st_data_t record;
+    st_table_entry *next;
+};
+
+#define ST_DEFAULT_MAX_DENSITY 5
+#define ST_DEFAULT_INIT_TABLE_SIZE 11
+
+    /*
+     * DEFAULT_MAX_DENSITY is the default for the largest we allow the
+     * average number of items per bin before increasing the number of
+     * bins
+     *
+     * DEFAULT_INIT_TABLE_SIZE is the default for the number of bins
+     * allocated initially
+     *
+     */
+
+static int numcmp(long, long);
+static int numhash(long);
+static struct st_hash_type type_numhash = {
+    numcmp,
+    numhash,
+};
+
+/* extern int strcmp(const char *, const char *); */
+static int strhash(const char *);
+static struct st_hash_type type_strhash = {
+    strcmp,
+    strhash,
+};
+
+static void rehash(st_table *);
+
+#define alloc(type) (type*)xmalloc((unsigned)sizeof(type))
+#define Calloc(n,s) (char*)xcalloc((n),(s))
+
+#define EQUAL(table,x,y) ((x)==(y) || (*table->type->compare)((x),(y)) == 0)
+
+#define do_hash(key,table) (unsigned int)(*(table)->type->hash)((key))
+#define do_hash_bin(key,table) (do_hash(key, table)%(table)->num_bins)
+
+/*
+ * MINSIZE is the minimum size of a dictionary.
+ */
+
+#define MINSIZE 8
+
+/*
+Table of prime numbers 2^n+a, 2<=n<=30.
+*/
+static const long primes[] = {
+	8 + 3,
+	16 + 3,
+	32 + 5,
+	64 + 3,
+	128 + 3,
+	256 + 27,
+	512 + 9,
+	1024 + 9,
+	2048 + 5,
+	4096 + 3,
+	8192 + 27,
+	16384 + 43,
+	32768 + 3,
+	65536 + 45,
+	131072 + 29,
+	262144 + 3,
+	524288 + 21,
+	1048576 + 7,
+	2097152 + 17,
+	4194304 + 15,
+	8388608 + 9,
+	16777216 + 43,
+	33554432 + 35,
+	67108864 + 15,
+	134217728 + 29,
+	268435456 + 3,
+	536870912 + 11,
+	1073741824 + 85,
+	0
+};
+
+static int
+new_size(size)
+    int size;
+{
+    int i;
+
+#if 0
+    for (i=3; i<31; i++) {
+	if ((1<<i) > size) return 1<<i;
+    }
+    return -1;
+#else
+    int newsize;
+
+    for (i = 0, newsize = MINSIZE;
+	 i < (int )(sizeof(primes)/sizeof(primes[0]));
+	 i++, newsize <<= 1)
+    {
+	if (newsize > size) return primes[i];
+    }
+    /* Ran out of polynomials */
+    return -1;			/* should raise exception */
+#endif
+}
+
+#ifdef HASH_LOG
+static int collision = 0;
+static int init_st = 0;
+
+static void
+stat_col()
+{
+    FILE *f = fopen("/tmp/col", "w");
+    fprintf(f, "collision: %d\n", collision);
+    fclose(f);
+}
+#endif
+
+st_table*
+st_init_table_with_size(type, size)
+    struct st_hash_type *type;
+    int size;
+{
+    st_table *tbl;
+
+#ifdef HASH_LOG
+    if (init_st == 0) {
+	init_st = 1;
+	atexit(stat_col);
+    }
+#endif
+
+    size = new_size(size);	/* round up to prime number */
+
+    tbl = alloc(st_table);
+    tbl->type = type;
+    tbl->num_entries = 0;
+    tbl->num_bins = size;
+    tbl->bins = (st_table_entry **)Calloc(size, sizeof(st_table_entry*));
+
+    return tbl;
+}
+
+st_table*
+st_init_table(type)
+    struct st_hash_type *type;
+{
+    return st_init_table_with_size(type, 0);
+}
+
+st_table*
+st_init_numtable(void)
+{
+    return st_init_table(&type_numhash);
+}
+
+st_table*
+st_init_numtable_with_size(size)
+    int size;
+{
+    return st_init_table_with_size(&type_numhash, size);
+}
+
+st_table*
+st_init_strtable(void)
+{
+    return st_init_table(&type_strhash);
+}
+
+st_table*
+st_init_strtable_with_size(size)
+    int size;
+{
+    return st_init_table_with_size(&type_strhash, size);
+}
+
+void
+st_free_table(table)
+    st_table *table;
+{
+    register st_table_entry *ptr, *next;
+    int i;
+
+    for(i = 0; i < table->num_bins; i++) {
+	ptr = table->bins[i];
+	while (ptr != 0) {
+	    next = ptr->next;
+	    free(ptr);
+	    ptr = next;
+	}
+    }
+    free(table->bins);
+    free(table);
+}
+
+#define PTR_NOT_EQUAL(table, ptr, hash_val, key) \
+((ptr) != 0 && (ptr->hash != (hash_val) || !EQUAL((table), (key), (ptr)->key)))
+
+#ifdef HASH_LOG
+#define COLLISION collision++
+#else
+#define COLLISION
+#endif
+
+#define FIND_ENTRY(table, ptr, hash_val, bin_pos) do {\
+    bin_pos = hash_val%(table)->num_bins;\
+    ptr = (table)->bins[bin_pos];\
+    if (PTR_NOT_EQUAL(table, ptr, hash_val, key)) {\
+	COLLISION;\
+	while (PTR_NOT_EQUAL(table, ptr->next, hash_val, key)) {\
+	    ptr = ptr->next;\
+	}\
+	ptr = ptr->next;\
+    }\
+} while (0)
+
+int
+st_lookup(table, key, value)
+    st_table *table;
+    register st_data_t key;
+    st_data_t *value;
+{
+    unsigned int hash_val, bin_pos;
+    register st_table_entry *ptr;
+
+    hash_val = do_hash(key, table);
+    FIND_ENTRY(table, ptr, hash_val, bin_pos);
+
+    if (ptr == 0) {
+	return 0;
+    }
+    else {
+	if (value != 0)  *value = ptr->record;
+	return 1;
+    }
+}
+
+#define ADD_DIRECT(table, key, value, hash_val, bin_pos)\
+do {\
+    st_table_entry *entry;\
+    if (table->num_entries/(table->num_bins) > ST_DEFAULT_MAX_DENSITY) {\
+	rehash(table);\
+        bin_pos = hash_val % table->num_bins;\
+    }\
+    \
+    entry = alloc(st_table_entry);\
+    \
+    entry->hash = hash_val;\
+    entry->key = key;\
+    entry->record = value;\
+    entry->next = table->bins[bin_pos];\
+    table->bins[bin_pos] = entry;\
+    table->num_entries++;\
+} while (0)
+
+int
+st_insert(table, key, value)
+    register st_table *table;
+    register st_data_t key;
+    st_data_t value;
+{
+    unsigned int hash_val, bin_pos;
+    register st_table_entry *ptr;
+
+    hash_val = do_hash(key, table);
+    FIND_ENTRY(table, ptr, hash_val, bin_pos);
+
+    if (ptr == 0) {
+	ADD_DIRECT(table, key, value, hash_val, bin_pos);
+	return 0;
+    }
+    else {
+	ptr->record = value;
+	return 1;
+    }
+}
+
+void
+st_add_direct(table, key, value)
+    st_table *table;
+    st_data_t key;
+    st_data_t value;
+{
+    unsigned int hash_val, bin_pos;
+
+    hash_val = do_hash(key, table);
+    bin_pos = hash_val % table->num_bins;
+    ADD_DIRECT(table, key, value, hash_val, bin_pos);
+}
+
+static void
+rehash(table)
+    register st_table *table;
+{
+    register st_table_entry *ptr, *next, **new_bins;
+    int i, old_num_bins = table->num_bins, new_num_bins;
+    unsigned int hash_val;
+
+    new_num_bins = new_size(old_num_bins+1);
+    new_bins = (st_table_entry**)Calloc(new_num_bins, sizeof(st_table_entry*));
+
+    for(i = 0; i < old_num_bins; i++) {
+	ptr = table->bins[i];
+	while (ptr != 0) {
+	    next = ptr->next;
+	    hash_val = ptr->hash % new_num_bins;
+	    ptr->next = new_bins[hash_val];
+	    new_bins[hash_val] = ptr;
+	    ptr = next;
+	}
+    }
+    free(table->bins);
+    table->num_bins = new_num_bins;
+    table->bins = new_bins;
+}
+
+st_table*
+st_copy(old_table)
+    st_table *old_table;
+{
+    st_table *new_table;
+    st_table_entry *ptr, *entry;
+    int i, num_bins = old_table->num_bins;
+
+    new_table = alloc(st_table);
+    if (new_table == 0) {
+	return 0;
+    }
+
+    *new_table = *old_table;
+    new_table->bins = (st_table_entry**)
+	Calloc((unsigned)num_bins, sizeof(st_table_entry*));
+
+    if (new_table->bins == 0) {
+	free(new_table);
+	return 0;
+    }
+
+    for(i = 0; i < num_bins; i++) {
+	new_table->bins[i] = 0;
+	ptr = old_table->bins[i];
+	while (ptr != 0) {
+	    entry = alloc(st_table_entry);
+	    if (entry == 0) {
+		free(new_table->bins);
+		free(new_table);
+		return 0;
+	    }
+	    *entry = *ptr;
+	    entry->next = new_table->bins[i];
+	    new_table->bins[i] = entry;
+	    ptr = ptr->next;
+	}
+    }
+    return new_table;
+}
+
+int
+st_delete(table, key, value)
+    register st_table *table;
+    register st_data_t *key;
+    st_data_t *value;
+{
+    unsigned int hash_val;
+    st_table_entry *tmp;
+    register st_table_entry *ptr;
+
+    hash_val = do_hash_bin(*key, table);
+    ptr = table->bins[hash_val];
+
+    if (ptr == 0) {
+	if (value != 0) *value = 0;
+	return 0;
+    }
+
+    if (EQUAL(table, *key, ptr->key)) {
+	table->bins[hash_val] = ptr->next;
+	table->num_entries--;
+	if (value != 0) *value = ptr->record;
+	*key = ptr->key;
+	free(ptr);
+	return 1;
+    }
+
+    for(; ptr->next != 0; ptr = ptr->next) {
+	if (EQUAL(table, ptr->next->key, *key)) {
+	    tmp = ptr->next;
+	    ptr->next = ptr->next->next;
+	    table->num_entries--;
+	    if (value != 0) *value = tmp->record;
+	    *key = tmp->key;
+	    free(tmp);
+	    return 1;
+	}
+    }
+
+    return 0;
+}
+
+int
+st_delete_safe(table, key, value, never)
+    register st_table *table;
+    register st_data_t *key;
+    st_data_t *value;
+    st_data_t never;
+{
+    unsigned int hash_val;
+    register st_table_entry *ptr;
+
+    hash_val = do_hash_bin(*key, table);
+    ptr = table->bins[hash_val];
+
+    if (ptr == 0) {
+	if (value != 0) *value = 0;
+	return 0;
+    }
+
+    for(; ptr != 0; ptr = ptr->next) {
+	if ((ptr->key != never) && EQUAL(table, ptr->key, *key)) {
+	    table->num_entries--;
+	    *key = ptr->key;
+	    if (value != 0) *value = ptr->record;
+	    ptr->key = ptr->record = never;
+	    return 1;
+	}
+    }
+
+    return 0;
+}
+
+static int
+#if defined(__GNUC__)
+delete_never(st_data_t key __attribute__ ((unused)), st_data_t value,
+	     st_data_t never)
+#else
+delete_never(key, value, never)
+    st_data_t key, value, never;
+#endif
+{
+    if (value == never) return ST_DELETE;
+    return ST_CONTINUE;
+}
+
+void
+st_cleanup_safe(table, never)
+    st_table *table;
+    st_data_t never;
+{
+    int num_entries = table->num_entries;
+
+    st_foreach(table, delete_never, never);
+    table->num_entries = num_entries;
+}
+
+int
+st_foreach(table, func, arg)
+    st_table *table;
+    int (*func)();
+    st_data_t arg;
+{
+    st_table_entry *ptr, *last, *tmp;
+    enum st_retval retval;
+    int i;
+
+    for(i = 0; i < table->num_bins; i++) {
+	last = 0;
+	for(ptr = table->bins[i]; ptr != 0;) {
+	    retval = (*func)(ptr->key, ptr->record, arg);
+	    switch (retval) {
+	    case ST_CHECK:	/* check if hash is modified during iteration */
+	        tmp = 0;
+		if (i < table->num_bins) {
+		    for (tmp = table->bins[i]; tmp; tmp=tmp->next) {
+			if (tmp == ptr) break;
+		    }
+		}
+		if (!tmp) {
+		    /* call func with error notice */
+		    return 1;
+		}
+		/* fall through */
+	    case ST_CONTINUE:
+		last = ptr;
+		ptr = ptr->next;
+		break;
+	    case ST_STOP:
+	        return 0;
+	    case ST_DELETE:
+		tmp = ptr;
+		if (last == 0) {
+		    table->bins[i] = ptr->next;
+		}
+		else {
+		    last->next = ptr->next;
+		}
+		ptr = ptr->next;
+		free(tmp);
+		table->num_entries--;
+	    }
+	}
+    }
+    return 0;
+}
+
+static int
+strhash(string)
+    register const char *string;
+{
+    register int c;
+
+#ifdef HASH_ELFHASH
+    register unsigned int h = 0, g;
+
+    while ((c = *string++) != '\0') {
+	h = ( h << 4 ) + c;
+	if ( g = h & 0xF0000000 )
+	    h ^= g >> 24;
+	h &= ~g;
+    }
+    return h;
+#elif HASH_PERL
+    register int val = 0;
+
+    while ((c = *string++) != '\0') {
+	val += c;
+	val += (val << 10);
+	val ^= (val >> 6);
+    }
+    val += (val << 3);
+    val ^= (val >> 11);
+
+    return val + (val << 15);
+#else
+    register int val = 0;
+
+    while ((c = *string++) != '\0') {
+	val = val*997 + c;
+    }
+
+    return val + (val>>5);
+#endif
+}
+
+static int
+numcmp(x, y)
+    long x, y;
+{
+    return x != y;
+}
+
+static int
+numhash(n)
+    long n;
+{
+    return n;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/st.h b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/st.h
new file mode 100644
index 0000000000..a620002449
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/st.h
@@ -0,0 +1,68 @@
+/* This is a public domain general purpose hash table package written by Peter Moore @ UCB. */
+
+/* @(#) st.h 5.1 89/12/14 */
+
+#ifndef ST_INCLUDED
+
+#define ST_INCLUDED
+
+#ifdef _WIN32
+# include <windows.h>
+typedef ULONG_PTR st_data_t;
+#else
+typedef unsigned long st_data_t;
+#endif
+#define ST_DATA_T_DEFINED
+
+typedef struct st_table st_table;
+
+struct st_hash_type {
+    int (*compare)();
+    int (*hash)();
+};
+
+struct st_table {
+    struct st_hash_type *type;
+    int num_bins;
+    int num_entries;
+    struct st_table_entry **bins;
+};
+
+#define st_is_member(table,key) st_lookup(table,key,(st_data_t *)0)
+
+enum st_retval {ST_CONTINUE, ST_STOP, ST_DELETE, ST_CHECK};
+
+#ifndef _
+# define _(args) args
+#endif
+#ifndef ANYARGS
+# ifdef __cplusplus
+#   define ANYARGS ...
+# else
+#   define ANYARGS
+# endif
+#endif
+
+st_table *st_init_table _((struct st_hash_type *));
+st_table *st_init_table_with_size _((struct st_hash_type *, int));
+st_table *st_init_numtable _((void));
+st_table *st_init_numtable_with_size _((int));
+st_table *st_init_strtable _((void));
+st_table *st_init_strtable_with_size _((int));
+int st_delete _((st_table *, st_data_t *, st_data_t *));
+int st_delete_safe _((st_table *, st_data_t *, st_data_t *, st_data_t));
+int st_insert _((st_table *, st_data_t, st_data_t));
+int st_lookup _((st_table *, st_data_t, st_data_t *));
+int st_foreach _((st_table *, int (*)(ANYARGS), st_data_t));
+void st_add_direct _((st_table *, st_data_t, st_data_t));
+void st_free_table _((st_table *));
+void st_cleanup_safe _((st_table *, st_data_t));
+st_table *st_copy _((st_table *));
+
+#define ST_NUMCMP	((int (*)()) 0)
+#define ST_NUMHASH	((int (*)()) -2)
+
+#define st_numcmp	ST_NUMCMP
+#define st_numhash	ST_NUMHASH
+
+#endif /* ST_INCLUDED */
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.c b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.c
new file mode 100644
index 0000000000..6c62957ca3
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.c
@@ -0,0 +1,321 @@
+/**
+  @file
+
+  EFI_REGULAR_EXPRESSION_PROTOCOL Implementation
+
+  Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License that accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#include "RegularExpressionDxe.h"
+
+STATIC
+EFI_REGEX_SYNTAX_TYPE * CONST mSupportedSyntaxes[] = {
+  &gEfiRegexSyntaxTypePosixExtendedGuid,
+  &gEfiRegexSyntaxTypePerlGuid
+};
+
+STATIC
+EFI_REGULAR_EXPRESSION_PROTOCOL mProtocolInstance = {
+  RegularExpressionMatch,
+  RegularExpressionGetInfo
+};
+
+
+
+#define CHAR16_ENCODING ONIG_ENCODING_UTF16_LE
+
+/**
+  Call the Oniguruma regex match API.
+
+  Same parameters as RegularExpressionMatch, except SyntaxType is required.
+
+  @retval EFI_SUCCESS       Regex compilation and match completed successfully.
+  @retval EFI_DEVICE_ERROR  Regex compilation failed.
+**/
+STATIC
+EFI_STATUS
+OnigurumaMatch (
+  IN  CHAR16                *String,
+  IN  CHAR16                *Pattern,
+  IN  EFI_REGEX_SYNTAX_TYPE *SyntaxType,
+  OUT BOOLEAN               *Result,
+  OUT EFI_REGEX_CAPTURE     **Captures,     OPTIONAL
+  OUT UINTN                 *CapturesCount
+  )
+{
+  regex_t         *OnigRegex;
+  OnigSyntaxType  *OnigSyntax;
+  OnigRegion      *Region;
+  INT32           OnigResult;
+  OnigErrorInfo   ErrorInfo;
+  CHAR8           ErrorMessage[ONIG_MAX_ERROR_MESSAGE_LEN];
+  UINT32          Index;
+  OnigUChar       *Start;
+
+  //
+  // Detemine the internal syntax type
+  //
+  OnigSyntax = ONIG_SYNTAX_DEFAULT;
+  if (CompareGuid (SyntaxType, &gEfiRegexSyntaxTypePosixExtendedGuid)) {
+    OnigSyntax = ONIG_SYNTAX_POSIX_EXTENDED;
+  } else if (CompareGuid (SyntaxType, &gEfiRegexSyntaxTypePerlGuid)) {
+    OnigSyntax = ONIG_SYNTAX_PERL;
+  } else {
+    DEBUG ((DEBUG_ERROR, "Unsupported regex syntax - using default\n"));
+    ASSERT (FALSE);
+  }
+
+  //
+  // Compile pattern
+  //
+  Start = (OnigUChar*)Pattern;
+  OnigResult = onig_new (
+                 &OnigRegex,
+                 Start,
+                 Start + onigenc_str_bytelen_null (CHAR16_ENCODING, Start),
+                 ONIG_OPTION_DEFAULT,
+                 CHAR16_ENCODING,
+                 OnigSyntax,
+                 &ErrorInfo
+                 );
+
+  if (OnigResult != ONIG_NORMAL) {
+    onig_error_code_to_str (ErrorMessage, OnigResult, &ErrorInfo);
+    DEBUG ((DEBUG_ERROR, "Regex compilation failed: %a\n", ErrorMessage));
+    return EFI_DEVICE_ERROR;
+  }
+
+  //
+  // Try to match
+  //
+  Start = (OnigUChar*)String;
+  Region = onig_region_new ();
+  OnigResult = onig_search (
+                 OnigRegex,
+                 Start,
+                 Start + onigenc_str_bytelen_null (CHAR16_ENCODING, Start),
+                 Start,
+                 Start + onigenc_str_bytelen_null (CHAR16_ENCODING, Start),
+                 Region,
+                 ONIG_OPTION_NONE
+                 );
+  if (OnigResult >= 0) {
+    *Result = TRUE;
+  } else {
+    *Result = FALSE;
+    if (OnigResult != ONIG_MISMATCH) {
+      onig_error_code_to_str (ErrorMessage, OnigResult);
+      DEBUG ((DEBUG_ERROR, "Regex match failed: %a\n", ErrorMessage));
+    }
+  }
+
+  //
+  // If successful, copy out the region (capture) information
+  //
+  if (*Result && Captures != NULL) {
+    *CapturesCount = Region->num_regs;
+    *Captures = AllocatePool (*CapturesCount * sizeof(**Captures));
+    if (*Captures != NULL) {
+      for (Index = 0; Index < *CapturesCount; ++Index) {
+        //
+        // Region beg/end values represent bytes, not characters
+        //
+        (*Captures)[Index].CapturePtr = (CHAR16*)((UINTN)String + Region->beg[Index]);
+        (*Captures)[Index].Length = (Region->end[Index] - Region->beg[Index]) / sizeof(CHAR16);
+      }
+    }
+  }
+
+  onig_region_free (Region, 1);
+  onig_free (OnigRegex);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Returns information about the regular expression syntax types supported
+  by the implementation.
+
+  This                     A pointer to the EFI_REGULAR_EXPRESSION_PROTOCOL
+                           instance.
+
+  RegExSyntaxTypeListSize  On input, the size in bytes of RegExSyntaxTypeList.
+                           On output with a return code of EFI_SUCCESS, the
+                           size in bytes of the data returned in
+                           RegExSyntaxTypeList. On output with a return code
+                           of EFI_BUFFER_TOO_SMALL, the size of
+                           RegExSyntaxTypeList required to obtain the list.
+
+  RegExSyntaxTypeList      A caller-allocated memory buffer filled by the
+                           driver with one EFI_REGEX_SYNTAX_TYPE element
+                           for each supported Regular expression syntax
+                           type. The list must not change across multiple
+                           calls to the same driver. The first syntax
+                           type in the list is the default type for the
+                           driver.
+
+  @retval EFI_SUCCESS            The regular expression syntax types list
+                                 was returned successfully.
+  @retval EFI_UNSUPPORTED        The service is not supported by this driver.
+  @retval EFI_DEVICE_ERROR       The list of syntax types could not be
+                                 retrieved due to a hardware or firmware error.
+  @retval EFI_BUFFER_TOO_SMALL   The buffer RegExSyntaxTypeList is too small
+                                 to hold the result.
+  @retval EFI_INVALID_PARAMETER  RegExSyntaxTypeListSize is NULL
+
+**/
+EFI_STATUS
+EFIAPI
+RegularExpressionGetInfo (
+  IN     EFI_REGULAR_EXPRESSION_PROTOCOL *This,
+  IN OUT UINTN                           *RegExSyntaxTypeListSize,
+  OUT    EFI_REGEX_SYNTAX_TYPE           *RegExSyntaxTypeList
+  )
+{
+  UINTN SyntaxSize;
+  UINTN Index;
+
+  if (This == NULL || RegExSyntaxTypeListSize == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (*RegExSyntaxTypeListSize != 0 && RegExSyntaxTypeList == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  SyntaxSize = ARRAY_SIZE (mSupportedSyntaxes) * sizeof(**mSupportedSyntaxes);
+
+  if (*RegExSyntaxTypeListSize < SyntaxSize) {
+    *RegExSyntaxTypeListSize = SyntaxSize;
+    return EFI_BUFFER_TOO_SMALL;
+  }
+
+  for (Index = 0; Index < ARRAY_SIZE (mSupportedSyntaxes); ++Index) {
+    CopyMem (&RegExSyntaxTypeList[Index], mSupportedSyntaxes[Index], sizeof(**mSupportedSyntaxes));
+  }
+  *RegExSyntaxTypeListSize = SyntaxSize;
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Checks if the input string matches to the regular expression pattern.
+
+  This          A pointer to the EFI_REGULAR_EXPRESSION_PROTOCOL instance.
+                Type EFI_REGULAR_EXPRESSION_PROTOCOL is defined in Section
+                XYZ.
+
+  String        A pointer to a NULL terminated string to match against the
+                regular expression string specified by Pattern.
+
+  Pattern       A pointer to a NULL terminated string that represents the
+                regular expression.
+
+  SyntaxType    A pointer to the EFI_REGEX_SYNTAX_TYPE that identifies the
+                regular expression syntax type to use. May be NULL in which
+                case the function will use its default regular expression
+                syntax type.
+
+  Result        On return, points to TRUE if String fully matches against
+                the regular expression Pattern using the regular expression
+                SyntaxType. Otherwise, points to FALSE.
+
+  Captures      A Pointer to an array of EFI_REGEX_CAPTURE objects to receive
+                the captured groups in the event of a match. The full
+                sub-string match is put in Captures[0], and the results of N
+                capturing groups are put in Captures[1:N]. If Captures is
+                NULL, then this function doesn't allocate the memory for the
+                array and does not build up the elements. It only returns the
+                number of matching patterns in CapturesCount. If Captures is
+                not NULL, this function returns a pointer to an array and
+                builds up the elements in the array. CapturesCount is also
+                updated to the number of matching patterns found. It is the
+                caller's responsibility to free the memory pool in Captures
+                and in each CapturePtr in the array elements.
+
+  CapturesCount On output, CapturesCount is the number of matching patterns
+                found in String. Zero means no matching patterns were found
+                in the string.
+
+  @retval EFI_SUCCESS            The regular expression string matching
+                                 completed successfully.
+  @retval EFI_UNSUPPORTED        The regular expression syntax specified by
+                                 SyntaxType is not supported by this driver.
+  @retval EFI_DEVICE_ERROR       The regular expression string matching
+                                 failed due to a hardware or firmware error.
+  @retval EFI_INVALID_PARAMETER  String, Pattern, Result, or CapturesCountis
+                                 NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+RegularExpressionMatch (
+  IN  EFI_REGULAR_EXPRESSION_PROTOCOL *This,
+  IN  CHAR16                          *String,
+  IN  CHAR16                          *Pattern,
+  IN  EFI_REGEX_SYNTAX_TYPE           *SyntaxType, OPTIONAL
+  OUT BOOLEAN                         *Result,
+  OUT EFI_REGEX_CAPTURE               **Captures, OPTIONAL
+  OUT UINTN                           *CapturesCount
+  )
+{
+  EFI_STATUS  Status;
+  UINT32      Index;
+  BOOLEAN     Supported;
+
+  if (This == NULL || String == NULL || Pattern == NULL || Result == NULL || CapturesCount == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  //
+  // Figure out which syntax to use
+  //
+  if (SyntaxType == NULL) {
+    SyntaxType = mSupportedSyntaxes[0];
+  } else {
+    Supported = FALSE;
+    for (Index = 0; Index < ARRAY_SIZE (mSupportedSyntaxes); ++Index) {
+      if (CompareGuid (SyntaxType, mSupportedSyntaxes[Index])) {
+        Supported = TRUE;
+        break;
+      }
+    }
+    if (!Supported) {
+      return EFI_UNSUPPORTED;
+    }
+  }
+
+  Status = OnigurumaMatch (String, Pattern, SyntaxType, Result, Captures, CapturesCount);
+
+  return Status;
+}
+
+/**
+  Entry point for RegularExpressionDxe.
+**/
+EFI_STATUS
+EFIAPI
+RegularExpressionDxeEntry (
+  IN  EFI_HANDLE        ImageHandle,
+  IN  EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS  Status;
+
+  Status = gBS->InstallMultipleProtocolInterfaces (
+                  &ImageHandle,
+                  &gEfiRegularExpressionProtocolGuid,
+                  &mProtocolInstance,
+                  NULL
+                  );
+
+  return Status;
+}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.h b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.h
new file mode 100644
index 0000000000..46734718c8
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.h
@@ -0,0 +1,130 @@
+/**
+  @file
+
+  EFI_REGULAR_EXPRESSION_PROTOCOL Header File.
+
+  Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+  
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License that accompanies this
+  distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#include "Oniguruma/oniguruma.h"
+
+#include <Uefi.h>
+#include <Protocol/RegularExpressionProtocol.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+
+#define ARRAY_SIZE(Array) (sizeof(Array) / sizeof(*Array))
+
+/**
+  Checks if the input string matches to the regular expression pattern.
+
+  This          A pointer to the EFI_REGULAR_EXPRESSION_PROTOCOL instance.
+                Type EFI_REGULAR_EXPRESSION_PROTOCOL is defined in Section
+                XYZ.
+
+  String        A pointer to a NULL terminated string to match against the
+                regular expression string specified by Pattern.
+
+  Pattern       A pointer to a NULL terminated string that represents the
+                regular expression.
+
+  SyntaxType    A pointer to the EFI_REGEX_SYNTAX_TYPE that identifies the
+                regular expression syntax type to use. May be NULL in which
+                case the function will use its default regular expression
+                syntax type.
+
+  Result        On return, points to TRUE if String fully matches against
+                the regular expression Pattern using the regular expression
+                SyntaxType. Otherwise, points to FALSE.
+
+  Captures      A Pointer to an array of EFI_REGEX_CAPTURE objects to receive
+                the captured groups in the event of a match. The full
+                sub-string match is put in Captures[0], and the results of N
+                capturing groups are put in Captures[1:N]. If Captures is
+                NULL, then this function doesn't allocate the memory for the
+                array and does not build up the elements. It only returns the
+                number of matching patterns in CapturesCount. If Captures is
+                not NULL, this function returns a pointer to an array and
+                builds up the elements in the array. CapturesCount is also
+                updated to the number of matching patterns found. It is the
+                caller's responsibility to free the memory pool in Captures
+                and in each CapturePtr in the array elements.
+
+  CapturesCount On output, CapturesCount is the number of matching patterns
+                found in String. Zero means no matching patterns were found
+                in the string.
+
+  @retval EFI_SUCCESS            The regular expression string matching
+                                 completed successfully.
+  @retval EFI_UNSUPPORTED        The regular expression syntax specified by
+                                 SyntaxType is not supported by this driver.
+  @retval EFI_DEVICE_ERROR       The regular expression string matching
+                                 failed due to a hardware or firmware error.
+  @retval EFI_INVALID_PARAMETER  String, Pattern, Result, or CapturesCountis
+                                 NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+RegularExpressionMatch (
+  IN  EFI_REGULAR_EXPRESSION_PROTOCOL *This,
+  IN  CHAR16                          *String,
+  IN  CHAR16                          *Pattern,
+  IN  EFI_REGEX_SYNTAX_TYPE           *SyntaxType, OPTIONAL
+  OUT BOOLEAN                         *Result,
+  OUT EFI_REGEX_CAPTURE               **Captures, OPTIONAL
+  OUT UINTN                           *CapturesCount
+  );
+
+/**
+  Returns information about the regular expression syntax types supported
+  by the implementation.
+
+  This                     A pointer to the EFI_REGULAR_EXPRESSION_PROTOCOL
+                           instance.
+
+  RegExSyntaxTypeListSize  On input, the size in bytes of RegExSyntaxTypeList.
+                           On output with a return code of EFI_SUCCESS, the
+                           size in bytes of the data returned in
+                           RegExSyntaxTypeList. On output with a return code
+                           of EFI_BUFFER_TOO_SMALL, the size of
+                           RegExSyntaxTypeList required to obtain the list.
+
+  RegExSyntaxTypeList      A caller-allocated memory buffer filled by the
+                           driver with one EFI_REGEX_SYNTAX_TYPE element
+                           for each supported Regular expression syntax
+                           type. The list must not change across multiple
+                           calls to the same driver. The first syntax
+                           type in the list is the default type for the
+                           driver.
+
+  @retval EFI_SUCCESS            The regular expression syntax types list
+                                 was returned successfully.
+  @retval EFI_UNSUPPORTED        The service is not supported by this driver.
+  @retval EFI_DEVICE_ERROR       The list of syntax types could not be
+                                 retrieved due to a hardware or firmware error.
+  @retval EFI_BUFFER_TOO_SMALL   The buffer RegExSyntaxTypeList is too small
+                                 to hold the result.
+  @retval EFI_INVALID_PARAMETER  RegExSyntaxTypeListSize is NULL
+
+**/
+EFI_STATUS
+EFIAPI
+RegularExpressionGetInfo (
+  IN     EFI_REGULAR_EXPRESSION_PROTOCOL *This,
+  IN OUT UINTN                           *RegExSyntaxTypeListSize,
+  OUT    EFI_REGEX_SYNTAX_TYPE           *RegExSyntaxTypeList
+  );
+
+
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
new file mode 100644
index 0000000000..7f1023eed0
--- /dev/null
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
@@ -0,0 +1,98 @@
+##
+#  @file
+#
+#  EFI_REGULAR_EXPRESSION_PROTOCOL Implementation
+#
+#  Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
+#
+#  This program and the accompanying materials are licensed and made available
+#  under the terms and conditions of the BSD License that accompanies this
+#  distribution.  The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php.
+#
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+##
+
+[Defines]
+  INF_VERSION     = 0x00010018
+  BASE_NAME       = RegularExpressionDxe
+  FILE_GUID       = 3E197E9C-D8DC-42D3-89CE-B04FA9833756
+  MODULE_TYPE     = UEFI_DRIVER
+  VERSION_STRING  = 1.0
+  ENTRY_POINT     = RegularExpressionDxeEntry
+
+[Sources]
+  RegularExpressionDxe.c
+  RegularExpressionDxe.h
+  Oniguruma/OnigurumaUefiPort.h
+  Oniguruma/OnigurumaUefiPort.c
+  Oniguruma/OnigurumaIntrinsics.c | MSFT
+
+# Upstream Oniguruma code
+  Oniguruma/oniguruma.h
+  Oniguruma/regcomp.c
+  Oniguruma/regenc.c
+  Oniguruma/regenc.h
+  Oniguruma/regerror.c
+  Oniguruma/regexec.c
+  Oniguruma/oniggnu.h
+  Oniguruma/reggnu.c
+  Oniguruma/regint.h
+  Oniguruma/regparse.c
+  Oniguruma/regparse.h
+  Oniguruma/regposerr.c
+  Oniguruma/onigposix.h
+  Oniguruma/regposix.c
+  Oniguruma/regsyntax.c
+  Oniguruma/regtrav.c
+  Oniguruma/regversion.c
+  Oniguruma/st.c
+  Oniguruma/st.h
+
+# Supported Character Encodings
+  Oniguruma/enc/ascii.c
+  Oniguruma/enc/unicode.c
+  Oniguruma/enc/utf16_le.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  MemoryAllocationLib
+  BaseMemoryLib
+  DebugLib
+
+[Guids]
+  gEfiRegexSyntaxTypePosixExtendedGuid
+  gEfiRegexSyntaxTypePerlGuid
+
+[Protocols]
+  gEfiRegularExpressionProtocolGuid
+
+[BuildOptions]
+  # Override MSFT build option to remove /Oi and /GL
+  MSFT:DEBUG_*_IA32_CC_FLAGS   == /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2  /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gm 
+  MSFT:RELEASE_*_IA32_CC_FLAGS == /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2  /FIAutoGen.h /EHs-c- /GR- /GF 
+  MSFT:DEBUG_*_X64_CC_FLAGS    == /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2s /FIAutoGen.h /EHs-c- /GR- /GF /Gy /Zi /Gm /X 
+  MSFT:RELEASE_*_X64_CC_FLAGS  == /nologo /c /WX /GS- /W4 /Gs32768 /D UNICODE /O1b2s /FIAutoGen.h /EHs-c- /GR- /GF /Gy /X 
+  MSFT:DEBUG_*_IPF_CC_FLAGS    == /nologo /c /WX /GS- /W4 /EHs-c- /GR- /Gy /Os /FIAutoGen.h /QIPF_fr32 /Zi /X 
+  MSFT:RELEASE_*_IPF_CC_FLAGS  == /nologo /c /WX /GS- /W4 /EHs-c- /GR- /Gy /Os /FIAutoGen.h /QIPF_fr32 /X 
+  INTEL:*_*_*_CC_FLAGS         =  /Oi-
+  GCC:*_*_*_CC_FLAGS           =  -fno-builtin
+
+  # Oniguruma: potentially uninitialized local variable used
+  MSFT:*_*_*_CC_FLAGS = /wd4701
+
+  # Oniguruma: intrinsic function not declared
+  MSFT:*_*_*_CC_FLAGS = /wd4164
+
+  # Oniguruma: old style declaration in st.c
+  MSFT:*_*_*_CC_FLAGS = /wd4131
+
+  # Oniguruma: 'type cast' : truncation from 'OnigUChar *' to 'unsigned int' 
+  MSFT:*_*_*_CC_FLAGS = /wd4305 /wd4306
+