--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/dyn-string.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,60 @@
+/* An abstract string datatype.
+   Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
+   Contributed by Mark Mitchell (mark@markmitchell.com).
+
+This file is part of GCC.
+   
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+typedef struct dyn_string
+{
+  int allocated;	/* The amount of space allocated for the string.  */
+  int length;		/* The actual length of the string.  */
+  char *s;		/* The string itself, NUL-terminated.  */
+}* dyn_string_t;
+
+/* The length STR, in bytes, not including the terminating NUL.  */
+#define dyn_string_length(STR)                                          \
+  ((STR)->length)
+
+/* The NTBS in which the contents of STR are stored.  */
+#define dyn_string_buf(STR)                                             \
+  ((STR)->s)
+
+/* Compare DS1 to DS2 with strcmp.  */
+#define dyn_string_compare(DS1, DS2)                                    \
+  (strcmp ((DS1)->s, (DS2)->s))
+
+
+extern int dyn_string_init (struct dyn_string *, int);
+extern dyn_string_t dyn_string_new (int);
+extern void dyn_string_delete (dyn_string_t);
+extern char *dyn_string_release (dyn_string_t);
+extern dyn_string_t dyn_string_resize (dyn_string_t, int);
+extern void dyn_string_clear (dyn_string_t);
+extern int dyn_string_copy (dyn_string_t, dyn_string_t);
+extern int dyn_string_copy_cstr (dyn_string_t, const char *);
+extern int dyn_string_prepend (dyn_string_t, dyn_string_t);
+extern int dyn_string_prepend_cstr (dyn_string_t, const char *);
+extern int dyn_string_insert (dyn_string_t, int, dyn_string_t);
+extern int dyn_string_insert_cstr (dyn_string_t, int, const char *);
+extern int dyn_string_insert_char (dyn_string_t, int, int);
+extern int dyn_string_append (dyn_string_t, dyn_string_t);
+extern int dyn_string_append_cstr (dyn_string_t, const char *);
+extern int dyn_string_append_char (dyn_string_t, int);
+extern int dyn_string_substring (dyn_string_t,  dyn_string_t, int, int);
+extern int dyn_string_eq (dyn_string_t, dyn_string_t);