added a new directory - samples

more code in Hawk and HawkStd
2020-01-07 09:02:56 +00:00 · 2020-01-07 09:02:56 +00:00 · 05c58df30f
commit 05c58df30f
parent 053dec0f99
21 changed files with 3285 additions and 2230 deletions
--- a/hawk/Makefile.am
+++ b/hawk/Makefile.am
@ -5,9 +5,9 @@ EXTRA_DIST =
 SUBDIRS =
 if ENABLE_STATIC_MODULE
-SUBDIRS += tools mod lib bin
+SUBDIRS += tools mod lib bin samples
 else
-SUBDIRS += tools lib mod bin
+SUBDIRS += tools lib mod bin samples
 endif
 DIST_SUBDIRS = $(SUBDIRS) t
--- a/hawk/Makefile.in
+++ b/hawk/Makefile.in
@ -87,8 +87,8 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-@ENABLE_STATIC_MODULE_TRUE@am__append_1 = tools mod lib bin
+@ENABLE_STATIC_MODULE_TRUE@am__append_1 = tools mod lib bin samples
-@ENABLE_STATIC_MODULE_FALSE@am__append_2 = tools lib mod bin
+@ENABLE_STATIC_MODULE_FALSE@am__append_2 = tools lib mod bin samples
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
@ -168,8 +168,8 @@ am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/ac/ar-lib \
 	$(top_srcdir)/ac/compile $(top_srcdir)/ac/config.guess \
 	$(top_srcdir)/ac/config.sub $(top_srcdir)/ac/install-sh \
 	$(top_srcdir)/ac/ltmain.sh $(top_srcdir)/ac/missing ac/ar-lib \
-	ac/compile ac/config.guess ac/config.sub ac/depcomp \
+	ac/compile ac/config.guess ac/config.sub ac/install-sh \
-	ac/install-sh ac/ltmain.sh ac/missing
+	ac/ltmain.sh ac/missing
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
--- a/hawk/ac/ar-lib
+++ b/hawk/ac/ar-lib
@ -4,7 +4,7 @@
 me=ar-lib
 scriptversion=2012-03-01.08; # UTC
-# Copyright (C) 2010-2014 Free Software Foundation, Inc.
+# Copyright (C) 2010-2018 Free Software Foundation, Inc.
 # Written by Peter Rosin <peda@lysator.liu.se>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -18,7 +18,7 @@ scriptversion=2012-03-01.08; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
--- a/hawk/ac/compile
+++ b/hawk/ac/compile
@ -1,9 +1,9 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
-scriptversion=2012-10-14.11; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -17,7 +17,7 @@ scriptversion=2012-10-14.11; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -255,7 +255,8 @@ EOF
    echo "compile $scriptversion"
    exit $?
    ;;
-  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
    func_cl_wrapper "$@"      # Doesn't return...
    ;;
 esac
@ -339,9 +340,9 @@ exit $ret
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/hawk/ac/config.guess
+++ b/hawk/ac/config.guess
--- a/hawk/ac/config.sub
+++ b/hawk/ac/config.sub
--- a/hawk/ac/depcomp
+++ b/hawk/ac/depcomp
@ -1,9 +1,9 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
-scriptversion=2013-05-30.07; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@ -16,7 +16,7 @@ scriptversion=2013-05-30.07; # UTC
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -783,9 +783,9 @@ exit 0
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/hawk/ac/install-sh
+++ b/hawk/ac/install-sh
@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
-scriptversion=2014-09-12.12; # UTC
+scriptversion=2018-03-11.20; # UTC
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@ -271,15 +271,18 @@ do
    fi
    dst=$dst_arg
-    # If destination is a directory, append the input filename; won't work
+    # If destination is a directory, append the input filename.
    # if double slashes aren't ignored.
    if test -d "$dst"; then
      if test "$is_target_a_directory" = never; then
        echo "$0: $dst_arg: Is a directory" >&2
        exit 1
      fi
      dstdir=$dst
-      dst=$dstdir/`basename "$src"`
+      dstbase=`basename "$src"`
      case $dst in
 	*/) dst=$dst$dstbase;;
 	*)  dst=$dst/$dstbase;;
      esac
      dstdir_status=0
    else
      dstdir=`dirname "$dst"`
@ -288,6 +291,11 @@ do
    fi
  fi
  case $dstdir in
    */) dstdirslash=$dstdir;;
    *)  dstdirslash=$dstdir/;;
  esac
  obsolete_mkdir_used=false
  if test $dstdir_status != 0; then
@ -324,14 +332,16 @@ do
            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
            ;;
          *)
-            # $RANDOM is not portable (e.g. dash);  use it when possible to
+            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
-            # lower collision chance
+            # here however when possible just to lower collision chance.
            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
-            # As "mkdir -p" follows symlinks and we work in /tmp possibly;  so
+            # Because "mkdir -p" follows existing symlinks and we likely work
-            # create the $tmpdir first (and fail if unsuccessful) to make sure
+            # directly in world-writeable /tmp, make sure that the '$tmpdir'
-            # that nobody tries to guess the $tmpdir name.
+            # directory is successfully created first before we actually test
            # 'mkdir -p' feature.
            if (umask $mkdir_umask &&
                $mkdirprog $mkdir_mode "$tmpdir" &&
                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
@ -434,8 +444,8 @@ do
  else
    # Make a couple of temp file names in the proper directory.
-    dsttmp=$dstdir/_inst.$$_
+    dsttmp=${dstdirslash}_inst.$$_
-    rmtmp=$dstdir/_rm.$$_
+    rmtmp=${dstdirslash}_rm.$$_
    # Trap to clean up those temp files at exit.
    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
@ -500,9 +510,9 @@ do
 done
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/hawk/ac/ltmain.sh
+++ b/hawk/ac/ltmain.sh
@ -31,7 +31,7 @@
 PROGRAM=libtool
 PACKAGE=libtool
-VERSION="2.4.6 Debian-2.4.6-2"
+VERSION=2.4.6
 package_revision=2.4.6
@ -2068,12 +2068,12 @@ include the following information:
       compiler:       $LTCC
       compiler flags: $LTCFLAGS
       linker:         $LD (gnu? $with_gnu_ld)
-       version:        $progname $scriptversion Debian-2.4.6-2
+       version:        $progname (GNU libtool) 2.4.6
       automake:       `($AUTOMAKE --version) 2>/dev/null |$SED 1q`
       autoconf:       `($AUTOCONF --version) 2>/dev/null |$SED 1q`
 Report bugs to <bug-libtool@gnu.org>.
-GNU libtool home page: <http://www.gnu.org/s/libtool/>.
+GNU libtool home page: <http://www.gnu.org/software/libtool/>.
 General help using GNU software: <http://www.gnu.org/gethelp/>."
    exit 0
 }
@ -2124,7 +2124,7 @@ fi
 # a configuration failure hint, and exit.
 func_fatal_configuration ()
 {
-    func__fatal_error ${1+"$@"} \
+    func_fatal_error ${1+"$@"} \
      "See the $PACKAGE documentation for more information." \
      "Fatal configuration error."
 }
@ -7274,11 +7274,10 @@ func_mode_link ()
      # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
      # -specs=*             GCC specs files
      # -stdlib=*            select c++ std lib with clang
      # -fsanitize=*         Clang/GCC memory and address sanitizer
      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
-      -specs=*|-fsanitize=*)
+      -specs=*)
        func_quote_for_eval "$arg"
 	arg=$func_quote_for_eval_result
        func_append compile_command " $arg"
@ -7571,10 +7570,7 @@ func_mode_link ()
 	case $pass in
 	dlopen) libs=$dlfiles ;;
 	dlpreopen) libs=$dlprefiles ;;
-	link)
+	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
 	  libs="$deplibs %DEPLIBS%"
 	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
 	  ;;
 	esac
      fi
      if test lib,dlpreopen = "$linkmode,$pass"; then
@ -7893,6 +7889,9 @@ func_mode_link ()
 	    # It is a libtool convenience library, so add in its objects.
 	    func_append convenience " $ladir/$objdir/$old_library"
 	    func_append old_convenience " $ladir/$objdir/$old_library"
 	  elif test prog != "$linkmode" && test lib != "$linkmode"; then
 	    func_fatal_error "'$lib' is not a convenience library"
 	  fi
 	  tmp_libs=
 	  for deplib in $dependency_libs; do
 	    deplibs="$deplib $deplibs"
@ -7903,9 +7902,6 @@ func_mode_link ()
 	    fi
 	    func_append tmp_libs " $deplib"
 	  done
 	  elif test prog != "$linkmode" && test lib != "$linkmode"; then
 	    func_fatal_error "'$lib' is not a convenience library"
 	  fi
 	  continue
 	fi # $pass = conv
@ -8829,9 +8825,6 @@ func_mode_link ()
 	    revision=$number_minor
 	    lt_irix_increment=no
 	    ;;
 	  *)
 	    func_fatal_configuration "$modename: unknown library version type '$version_type'"
 	    ;;
 	  esac
 	  ;;
 	no)
--- a/hawk/ac/missing
+++ b/hawk/ac/missing
@ -1,9 +1,9 @@
 #! /bin/sh
 # Common wrapper for a few potentially missing GNU programs.
-scriptversion=2013-10-28.13; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 # This program is free software; you can redistribute it and/or modify
@ -17,7 +17,7 @@ scriptversion=2013-10-28.13; # UTC
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -101,9 +101,9 @@ else
  exit $st
 fi
-perl_URL=http://www.perl.org/
+perl_URL=https://www.perl.org/
-flex_URL=http://flex.sourceforge.net/
+flex_URL=https://github.com/westes/flex
-gnu_software_URL=http://www.gnu.org/software
+gnu_software_URL=https://www.gnu.org/software
 program_details ()
 {
@ -207,9 +207,9 @@ give_advice "$1" | sed -e '1s/^/WARNING: /' \
 exit $st
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/hawk/bin/main.c
+++ b/hawk/bin/main.c
@ -24,11 +24,7 @@
    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 #if defined(__cplusplus)
 #include <HawkStd.hpp>
 #else
 #include <hawk-std.h>
 #endif
 #include <hawk-utl.h>
 #include <hawk-fmt.h>
 #include <hawk-cli.h>
@ -1083,325 +1079,6 @@ static hawk_mmgr_t debug_mmgr =
 #endif
 #if defined(__cplusplus)
 /* ------------------------------------------------------------------------- 
 * BEGINNING OF execute_hawk() in C++
 * ------------------------------------------------------------------------- */
 typedef HAWK::HawkStd HawkStd;
 typedef HAWK::HawkStd::Run Run;
 typedef HAWK::HawkStd::Value Value;
 class MyHawk: public HawkStd
 {
 public:
 	MyHawk (HAWK::Mmgr* mmgr = HAWK_NULL): HawkStd(mmgr) { }
 	~MyHawk () { close (); }
 	int open ()
 	{
 		if (HawkStd::open() <= -1) return -1;
 		idLastSleep = this->addGlobal(HAWK_T("LAST_SLEEP"));
 		if (idLastSleep <= -1) goto oops;
 		/* this is for demonstration only. 
 		 * you can use sys::sleep() instead */
 		if (this->addFunction(HAWK_T("sleep"), 1, 1, HAWK_NULL, (FunctionHandler)&MyHawk::sleep) <= -1 ||
 		    this->addFunction(HAWK_T("sumintarray"), 1, 1, HAWK_NULL, (FunctionHandler)&MyHawk::sumintarray) <= -1 ||
 		    this->addFunction(HAWK_T("arrayindices"), 1, 1, HAWK_NULL, (FunctionHandler)&MyHawk::arrayindices) <= -1) goto oops;
 		return 0;
 	oops:
 		HawkStd::close ();
 		return -1;
 	}
 	int sleep (
 		Run& run, Value& ret, Value* args, hawk_oow_t nargs, 
 		const hawk_ooch_t* name, hawk_oow_t len)
 	{
 		if (args[0].isIndexed()) 
 		{
 			run.setError (HAWK_EINVAL);
 			return -1;
 		}
 		Hawk::int_t x = args[0].toInt();
 		/*Value arg;
 		if (run.getGlobal(idLastSleep, arg) == 0)
 			qse_printf (HAWK_T("GOOD: [%d]\n"), (int)arg.toInt());
 		else { qse_printf (HAWK_T("BAD:\n")); }
 		*/
 		if (run.setGlobal(idLastSleep, x) <= -1) return -1;
 	#if defined(_WIN32)
 		::Sleep ((DWORD)(x * 1000));
 		return ret.setInt (0);
 	#elif defined(__OS2__)
 		::DosSleep ((ULONG)(x * 1000));
 		return ret.setInt (0);
 	#else
 		return ret.setInt (::sleep (x));
 	#endif
 	}
 	int sumintarray (
 		Run& run, Value& ret, Value* args, hawk_oow_t nargs, 
 		const hawk_ooch_t* name, hawk_oow_t len)
 	{
 		// BEGIN { 
 		//   for(i=0;i<=10;i++) x[i]=i; 
 		//   print sumintarray(x);
 		// }
 		long_t x = 0;
 		if (args[0].isIndexed()) 
 		{
 			Value val(run);
 			Value::Index idx;
 			Value::IndexIterator ii;
 			ii = args[0].getFirstIndex (&idx);
 			while (ii != ii.END)
 			{
 				if (args[0].getIndexed(idx, &val) <= -1) return -1;
 				x += val.toInt ();
 				ii = args[0].getNextIndex (&idx, ii);
 			}
 		}
 		else x += args[0].toInt();
 		return ret.setInt (x);
 	}
 	int arrayindices (
 		Run& run, 
 		Value& ret,
 		Value* args,
 		hawk_oow_t nargs, 
 		const hawk_ooch_t* name, 
 		hawk_oow_t len)
 	{
 		// create another array composed of array indices
 		// BEGIN { 
 		//   for(i=0;i<=10;i++) x[i]=i; 
 		//   y=arrayindices(x); 
 		//   for (i in y) print y[i]; 
 		// }
 		if (!args[0].isIndexed()) return 0;
 		Value::Index idx;
 		Value::IndexIterator ii;
 		long_t i;
 		ii = args[0].getFirstIndex (&idx);
 		for (i = 0; ii != ii.END ; i++)
 		{
 			Value::IntIndex iidx (i);
 			if (ret.setIndexedStr (iidx, idx.pointer(), idx.length()) <= -1) return -1;
 			ii = args[0].getNextIndex (&idx, ii);
 		}
 		return 0;
 	}
 private:
 	int idLastSleep;
 };
 static HAWK_INLINE int execute_hawk (int argc, hawk_bch_t* argv[])
 {
 	hawk_t* awk = HAWK_NULL;
 	hawk_rtx_t* rtx = HAWK_NULL;
 	hawk_val_t* retv;
 	int i;
 	struct arg_t arg;
 	int ret = -1;
 #if defined(ENABLE_CALLBACK)
 	static hawk_rtx_ecb_t rtx_ecb =
 	{
 		HAWK_FV(.close,  HAWK_NULL),
 		HAWK_FV(.stmt,   on_statement),
 		HAWK_FV(.gblset, HAWK_NULL)
 	};
 #endif
 	/* TODO: change it to support multiple source files */
 	hawk_parsestd_t psout;
 #if 0
 	hawk_mmgr_t* mmgr = HAWK_MMGR_GETDFL();
 #endif
 	i = process_argv(argc, argv, &arg);
 	if (i <= 0)
 	{
 		print_usage (((i == 0)? stdout: stderr), argv[0]);
 		return i;
 	}
 	if (i == 2) return 0;
 	if (i == 3) return -1;
 	if (arg.osf)
 	{
 		psout.type = HAWK_PARSESTD_FILEB;
 		psout.u.fileb.path = arg.osf;
 		psout.u.fileb.cmgr = arg.script_cmgr;
 	}
 #if 0
 #if defined(HAWK_BUILD_DEBUG)
 	if (arg.failmalloc > 0)
 	{
 		debug_mmgr.ctx = &arg;
 		mmgr = &debug_mmgr;
 	}
 	else 
 #endif
 	if (arg.memlimit > 0)
 	{
 		xma_mmgr.ctx = hawk_xma_open(HAWK_MMGR_GETDFL(), 0, arg.memlimit);
 		if (xma_mmgr.ctx == HAWK_NULL)
 		{
 			print_error ("cannot open memory heap\n");
 			goto oops;
 		}
 		mmgr = &xma_mmgr;
 	}
 #endif
 	MyHawk hawk;
 	if (hawk.open() <= -1);
 	{
 		//print_error ("cannot open awk - %hs\n", hawk.getErrorMessage()); // TODO: get ErrorMessage as byte string
 		print_error ("cannot open awk\n");
 		goto oops;
 	}
 	if (arg.modern) i = HAWK_MODERN;
 	else if (arg.classic) i = HAWK_CLASSIC;
 	else i = hawk.getTrait();
 	if (arg.opton) i |= arg.opton;
 	if (arg.optoff) i &= ~arg.optoff;
 	hawk.setTrait (i);
 	/* TODO: get depth from command line */
 	hawk.setMaxDepth (MyHawk::DEPTH_BLOCK_PARSE, 50);
 	hawk.setMaxDepth (MyHawk::DEPTH_EXPR_PARSE, 50);
 	hawk.setMaxDepth (MyHawk::DEPTH_BLOCK_RUN, 500);
 	hawk.setMaxDepth (MyHawk::DEPTH_EXPR_RUN, 500);
 	hawk.setMaxDepth (MyHawk::DEPTH_INCLUDE, 64);
 	if (add_gvs_to_awk(awk, &arg) <= -1)
 	{
 		print_hawk_error (awk);
 		goto oops;
 	}
 	MyHawk::Source* in, * out;
 	MyHawk::SourceString in_str (cmdline.ins);
 	MyHawk::SourceFile in_file (cmdline.inf);
 	MyHawk::SourceFile out_file (cmdline.outf);
 	in = (cmdline.ins)? (MyHawk::Source*)&in_str: (MyHawk::Source*)&in_file;
 	out = (cmdline.outf)? (MyHawk::Source*)&out_file: &MyHawk::Source::NONE;
 	MyHawk::Run* run = hawk.parse(*in, *out);
 	if (!run) 
 	{
 		print_error ("parse error\n"); // TODO: include error message...
 		return -1;
 	}
 	if (hawk_parsestd(awk, arg.psin, ((arg.osf == HAWK_NULL)? HAWK_NULL: &psout)) <= -1)
 	{
 		print_hawk_error (awk);
 		goto oops;
 	}
 	rtx = hawk_rtx_openstdwithbcstr(
 		awk, 0, "hawk",
 		(arg.call? HAWK_NULL: arg.icf.ptr), /* console input */
 		arg.ocf.ptr, /* console output */
 		arg.console_cmgr
 	);
 	if (rtx == HAWK_NULL) 
 	{
 		print_hawk_error (awk);
 		goto oops;
 	}
 	if (apply_fs_and_gvs_to_rtx(rtx, &arg) <= -1)
 	{
 		print_hawk_error (awk);
 		goto oops;
 	}
 	app_rtx = rtx;
 #if defined(ENABLE_CALLBACK)
 	hawk_rtx_pushecb (rtx, &rtx_ecb);
 #endif
 	set_intr_run ();
 	retv = arg.call?
 		hawk_rtx_callwithbcstrarr(rtx, arg.call, (const hawk_bch_t**)arg.icf.ptr, arg.icf.size):
 		hawk_rtx_loop(rtx);
 	unset_intr_run ();
 	if (retv)
 	{
 		hawk_int_t tmp;
 		hawk_rtx_refdownval (rtx, retv);
 		if (app_debug) dprint_return (rtx, retv);
 		ret = 0;
 		if (hawk_rtx_valtoint (rtx, retv, &tmp) >= 0) ret = tmp;
 	}
 	else
 	{
 		print_hawk_rtx_error (rtx);
 		goto oops;
 	}
 oops:
 	if (rtx) hawk_rtx_close (rtx);
 	if (awk) hawk_close (awk);
 #if 0
 	if (xma_mmgr.ctx) hawk_xma_close (xma_mmgr.ctx);
 #endif
 	freearg (&arg);
 #if defined(HAWK_BUILD_DEBUG)
 	/*
 	if (arg.failmalloc > 0)
 	{
 		hawk_fprintf (HAWK_STDERR, HAWK_T("\n"));
 		hawk_fprintf (HAWK_STDERR, HAWK_T("-[MALLOC COUNTS]---------------------------------------\n"));
 		hawk_fprintf (HAWK_STDERR, HAWK_T("ALLOC: %lu FREE: %lu: REALLOC: %lu\n"), 
 			(unsigned long)debug_mmgr_alloc_count,
 			(unsigned long)debug_mmgr_free_count,
 			(unsigned long)debug_mmgr_realloc_count);
 		hawk_fprintf (HAWK_STDERR, HAWK_T("-------------------------------------------------------\n"));
 	}*/
 #endif
 	return ret;
 }
 /* -------------------------------------------------------------------------
 * END OF execute_hawk() in C++
 * ------------------------------------------------------------------------- */
 #else
 /* ------------------------------------------------------------------------- 
 * BEGINNING OF execute_hawk() in C
 * ------------------------------------------------------------------------- */
 static HAWK_INLINE int execute_hawk (int argc, hawk_bch_t* argv[])
 {
 	hawk_t* awk = HAWK_NULL;
@ -1574,10 +1251,6 @@ oops:
 	return ret;
 }
 /* ------------------------------------------------------------------------- 
 * END OF execute_hawk() in C
 * ------------------------------------------------------------------------- */
 #endif
 /* ---------------------------------------------------------------------- */
--- a/hawk/configure
+++ b/hawk/configure
@ -7192,7 +7192,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  lt_cv_deplibs_check_method=pass_all
  ;;
-netbsd* | netbsdelf*-gnu)
+netbsd*)
  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
    lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
  else
@ -10894,9 +10894,6 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
  openbsd* | bitrig*)
    with_gnu_ld=no
    ;;
  linux* | k*bsd*-gnu | gnu*)
    link_all_deplibs=no
    ;;
  esac
  ld_shlibs=yes
@ -11151,7 +11148,7 @@ _LT_EOF
      fi
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 	wlarc=
@ -11821,7 +11818,6 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
 	if test yes = "$lt_cv_irix_exported_symbol"; then
          archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
 	fi
 	link_all_deplibs=no
      else
 	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
 	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
@ -11843,7 +11839,7 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
      esac
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
      else
@ -12938,6 +12934,9 @@ fi
  # before this can be enabled.
  hardcode_into_libs=yes
  # Add ABI-specific directories to the system library path.
  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
  # Ideally, we could use ldconfig to report *all* directores which are
  # searched for libraries, however this is still not possible.  Aside from not
  # being certain /sbin/ldconfig is available, command
@ -12946,7 +12945,7 @@ fi
  # appending ld.so.conf contents (and includes) to the search path.
  if test -f /etc/ld.so.conf; then
    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
  fi
  # We used to test for /lib/ld.so.1 and disable shared libraries on
@ -12958,18 +12957,6 @@ fi
  dynamic_linker='GNU/Linux ld.so'
  ;;
 netbsdelf*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  hardcode_into_libs=yes
  dynamic_linker='NetBSD ld.elf_so'
  ;;
 netbsd*)
  version_type=sunos
  need_lib_prefix=no
@ -15864,7 +15851,7 @@ lt_prog_compiler_static_CXX=
 	    ;;
 	esac
 	;;
-      netbsd* | netbsdelf*-gnu)
+      netbsd*)
 	;;
      *qnx* | *nto*)
        # QNX uses GNU C++, but need to define -shared option too, otherwise
@ -16239,9 +16226,6 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
      ;;
    esac
    ;;
  linux* | k*bsd*-gnu | gnu*)
    link_all_deplibs_CXX=no
    ;;
  *)
    export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
    ;;
@ -16915,6 +16899,9 @@ fi
  # before this can be enabled.
  hardcode_into_libs=yes
  # Add ABI-specific directories to the system library path.
  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
  # Ideally, we could use ldconfig to report *all* directores which are
  # searched for libraries, however this is still not possible.  Aside from not
  # being certain /sbin/ldconfig is available, command
@ -16923,7 +16910,7 @@ fi
  # appending ld.so.conf contents (and includes) to the search path.
  if test -f /etc/ld.so.conf; then
    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
  fi
  # We used to test for /lib/ld.so.1 and disable shared libraries on
@ -16935,18 +16922,6 @@ fi
  dynamic_linker='GNU/Linux ld.so'
  ;;
 netbsdelf*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  hardcode_into_libs=yes
  dynamic_linker='NetBSD ld.elf_so'
  ;;
 netbsd*)
  version_type=sunos
  need_lib_prefix=no
@ -23298,7 +23273,7 @@ HAWK_PROJECT_AUTHOR="${PACKAGE_BUGREPORT}"
 HAWK_PROJECT_URL="${PACKAGE_URL}"
-ac_config_files="$ac_config_files Makefile tools/Makefile lib/Makefile mod/Makefile bin/Makefile t/Makefile"
+ac_config_files="$ac_config_files Makefile tools/Makefile lib/Makefile mod/Makefile bin/Makefile samples/Makefile t/Makefile"
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@ -24468,6 +24443,7 @@ do
    "lib/Makefile") CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;;
    "mod/Makefile") CONFIG_FILES="$CONFIG_FILES mod/Makefile" ;;
    "bin/Makefile") CONFIG_FILES="$CONFIG_FILES bin/Makefile" ;;
    "samples/Makefile") CONFIG_FILES="$CONFIG_FILES samples/Makefile" ;;
    "t/Makefile") CONFIG_FILES="$CONFIG_FILES t/Makefile" ;;
  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
@ -25173,6 +25149,7 @@ See \`config.log' for more details" "$LINENO" 5; }
    cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
 # Generated automatically by $as_me ($PACKAGE) $VERSION
 # Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 # Provide generalized library-building support services.
--- a/hawk/configure.ac
+++ b/hawk/configure.ac
@ -988,6 +988,7 @@ AC_CONFIG_FILES([
 	lib/Makefile 
 	mod/Makefile 
 	bin/Makefile
 	samples/Makefile
 	t/Makefile
 ])
 AC_OUTPUT
--- a/hawk/lib/Hawk.cpp
+++ b/hawk/lib/Hawk.cpp
@ -726,7 +726,9 @@ int Hawk::Value::setFlt (Run* r, flt_t v)
 	return n;
 }
-int Hawk::Value::setStr (const hawk_ooch_t* str, hawk_oow_t len, bool numeric)
+//////////////////////////////////////////////////////////////////
 int Hawk::Value::setStr (const hawk_uch_t* str, hawk_oow_t len, bool numeric)
 {
 	if (this->run == HAWK_NULL) 
 	{
@ -737,16 +739,12 @@ int Hawk::Value::setStr (const hawk_ooch_t* str, hawk_oow_t len, bool numeric)
 	return this->setStr(this->run, str, len, numeric);
 }
-int Hawk::Value::setStr (Run* r, const hawk_ooch_t* str, hawk_oow_t len, bool numeric)
+int Hawk::Value::setStr (Run* r, const hawk_uch_t* str, hawk_oow_t len, bool numeric)
 {
 	hawk_val_t* tmp;
-	hawk_oocs_t oocs;
+	tmp = numeric? hawk_rtx_makenstrvalwithuchars(r->rtx, str, len):
-	oocs.ptr = (hawk_ooch_t*)str;
+	               hawk_rtx_makestrvalwithuchars(r->rtx, str, len);
 	oocs.len = len;
 	tmp = numeric? hawk_rtx_makenstrvalwithoocs(r->rtx, &oocs):
 	               hawk_rtx_makestrvalwithoocs(r->rtx, &oocs);
 	if (tmp == HAWK_NULL)
 	{
 		r->awk->retrieveError (r);
@ -758,17 +756,17 @@ int Hawk::Value::setStr (Run* r, const hawk_ooch_t* str, hawk_oow_t len, bool nu
 	return n;
 }
-int Hawk::Value::setStr (const hawk_ooch_t* str, bool numeric)
+int Hawk::Value::setStr (const hawk_uch_t* str, bool numeric)
 {
 	if (this->run == HAWK_NULL) return -1;
 	return this->setStr(this->run, str, numeric);
 }
-int Hawk::Value::setStr (Run* r, const hawk_ooch_t* str, bool numeric)
+int Hawk::Value::setStr (Run* r, const hawk_uch_t* str, bool numeric)
 {
 	hawk_val_t* tmp;
-	tmp = numeric? hawk_rtx_makenstrvalwithoocstr(r->rtx, str):
+	tmp = numeric? hawk_rtx_makenstrvalwithucstr(r->rtx, str):
-	               hawk_rtx_makestrvalwithoocstr(r->rtx, str);
+	               hawk_rtx_makestrvalwithucstr(r->rtx, str);
 	if (tmp == HAWK_NULL) 
 	{
 		r->awk->retrieveError (r);
@ -780,7 +778,59 @@ int Hawk::Value::setStr (Run* r, const hawk_ooch_t* str, bool numeric)
 	return n;
 }
 //////////////////////////////////////////////////////////////////
 int Hawk::Value::setStr (const hawk_bch_t* str, hawk_oow_t len, bool numeric)
 {
 	if (this->run == HAWK_NULL) 
 	{
 		/* no runtime context assoicated. unfortunately, i can't 
 		 * set an error number for the same reason */
 		return -1; 
 	}
 	return this->setStr(this->run, str, len, numeric);
 }
 int Hawk::Value::setStr (Run* r, const hawk_bch_t* str, hawk_oow_t len, bool numeric)
 {
 	hawk_val_t* tmp;
 	tmp = numeric? hawk_rtx_makenstrvalwithbchars(r->rtx, str, len):
 	               hawk_rtx_makestrvalwithbchars(r->rtx, str, len);
 	if (tmp == HAWK_NULL)
 	{
 		r->awk->retrieveError (r);
 		return -1;
 	}
 	int n = this->setVal(r, tmp);
 	HAWK_ASSERT (n == 0);
 	return n;
 }
 int Hawk::Value::setStr (const hawk_bch_t* str, bool numeric)
 {
 	if (this->run == HAWK_NULL) return -1;
 	return this->setStr(this->run, str, numeric);
 }
 int Hawk::Value::setStr (Run* r, const hawk_bch_t* str, bool numeric)
 {
 	hawk_val_t* tmp;
 	tmp = numeric? hawk_rtx_makenstrvalwithbcstr(r->rtx, str):
 	               hawk_rtx_makestrvalwithbcstr(r->rtx, str);
 	if (tmp == HAWK_NULL) 
 	{
 		r->awk->retrieveError (r);
 		return -1;
 	}
 	int n = this->setVal(r, tmp);
 	HAWK_ASSERT (n == 0);
 	return n;
 }
 //////////////////////////////////////////////////////////////////
 int Hawk::Value::setMbs (const hawk_bch_t* str, hawk_oow_t len)
 {
 	if (this->run == HAWK_NULL) 
@ -1883,7 +1933,7 @@ int Hawk::dispatch_function (Run* run, const fnc_info_t* fi)
 	return 0;
 }
-int Hawk::xstrs_t::add (hawk_t* awk, const hawk_ooch_t* arg, hawk_oow_t len) 
+int Hawk::xstrs_t::add (hawk_t* hawk, const hawk_uch_t* arg, hawk_oow_t len) 
 {
 	if (this->len >= this->capa)
 	{
@ -1891,15 +1941,50 @@ int Hawk::xstrs_t::add (hawk_t* awk, const hawk_ooch_t* arg, hawk_oow_t len)
 		hawk_oow_t capa = this->capa;
 		capa += 64;
-		ptr = (hawk_oocs_t*)hawk_reallocmem(awk, this->ptr, HAWK_SIZEOF(hawk_oocs_t)*(capa+1));
+		ptr = (hawk_oocs_t*)hawk_reallocmem(hawk, this->ptr, HAWK_SIZEOF(hawk_oocs_t)*(capa + 1));
 		if (ptr == HAWK_NULL) return -1;
 		this->ptr = ptr;
 		this->capa = capa;
 	}
 #if defined(HAWK_OOCH_IS_UCH)
 	this->ptr[this->len].len = len;
-	this->ptr[this->len].ptr = hawk_dupoochars(awk, arg, len);
+	this->ptr[this->len].ptr = hawk_dupuchars(hawk, arg, len);
 #else
 	this->ptr[this->len].ptr = hawk_duputobchars(hawk, arg, len, &this->ptr[this->len].len);
 #endif
 	if (this->ptr[this->len].ptr == HAWK_NULL) return -1;
 	this->len++;
 	this->ptr[this->len].len = 0;
 	this->ptr[this->len].ptr = HAWK_NULL;
 	return 0;
 }
 int Hawk::xstrs_t::add (hawk_t* hawk, const hawk_bch_t* arg, hawk_oow_t len)
 {
 	if (this->len >= this->capa)
 	{
 		hawk_oocs_t* ptr;
 		hawk_oow_t capa = this->capa;
 		capa += 64;
 		ptr = (hawk_oocs_t*)hawk_reallocmem(hawk, this->ptr, HAWK_SIZEOF(hawk_oocs_t)*(capa + 1));
 		if (ptr == HAWK_NULL) return -1;
 		this->ptr = ptr;
 		this->capa = capa;
 	}
 #if defined(HAWK_OOCH_IS_UCH)
 	this->ptr[this->len].ptr = hawk_dupbtouchars(hawk, arg, len, &this->ptr[this->len].len, 0);
 #else
 	this->ptr[this->len].len = len;
 	this->ptr[this->len].ptr = hawk_dupbchars(hawk, arg, len);
 #endif
 	if (this->ptr[this->len].ptr == HAWK_NULL) return -1;
 	this->len++;
@ -1922,19 +2007,33 @@ void Hawk::xstrs_t::clear (hawk_t* awk)
 	}
 }
-int Hawk::addArgument (const hawk_ooch_t* arg, hawk_oow_t len) 
+int Hawk::addArgument (const hawk_uch_t* arg, hawk_oow_t len) 
 {
 	HAWK_ASSERT (awk != HAWK_NULL);
-	int n = runarg.add(awk, arg, len);
+	int n = this->runarg.add(awk, arg, len);
 	if (n <= -1) this->setError (HAWK_ENOMEM);
 	return n;
 }
-int Hawk::addArgument (const hawk_ooch_t* arg) 
+int Hawk::addArgument (const hawk_uch_t* arg) 
 {
-	return addArgument(arg, hawk_count_oocstr(arg));
+	return addArgument(arg, hawk_count_ucstr(arg));
 }
 int Hawk::addArgument (const hawk_bch_t* arg, hawk_oow_t len) 
 {
 	HAWK_ASSERT (awk != HAWK_NULL);
 	int n = this->runarg.add(awk, arg, len);
 	if (n <= -1) this->setError (HAWK_ENOMEM);
 	return n;
 }
 int Hawk::addArgument (const hawk_bch_t* arg) 
 {
 	return this->addArgument(arg, hawk_count_bcstr(arg));
 }
 void Hawk::clearArguments () 
 {
 	runarg.clear (awk);
--- a/hawk/lib/Hawk.hpp
+++ b/hawk/lib/Hawk.hpp
@ -1068,10 +1068,14 @@ public:
 		int setFlt (flt_t v);
 		int setFlt (Run* r, flt_t v);
-		int setStr (const hawk_ooch_t* str, hawk_oow_t len, bool numeric = false);
+		int setStr (const hawk_uch_t* str, hawk_oow_t len, bool numeric = false);
-		int setStr (Run* r, const hawk_ooch_t* str, hawk_oow_t len, bool numeric = false);
+		int setStr (Run* r, const hawk_uch_t* str, hawk_oow_t len, bool numeric = false);
-		int setStr (const hawk_ooch_t* str, bool numeric = false);
+		int setStr (const hawk_uch_t* str, bool numeric = false);
-		int setStr (Run* r, const hawk_ooch_t* str, bool numeric = false);
+		int setStr (Run* r, const hawk_uch_t* str, bool numeric = false);
 		int setStr (const hawk_bch_t* str, hawk_oow_t len, bool numeric = false);
 		int setStr (Run* r, const hawk_bch_t* str, hawk_oow_t len, bool numeric = false);
 		int setStr (const hawk_bch_t* str, bool numeric = false);
 		int setStr (Run* r, const hawk_bch_t* str, bool numeric = false);
 		int setMbs (const hawk_bch_t* str, hawk_oow_t len);
 		int setMbs (Run* r, const hawk_bch_t* str, hawk_oow_t len);
@ -1433,7 +1437,12 @@ public:
 	/// \return 0 on success, -1 on failure
 	///
 	int addArgument (
-		const hawk_ooch_t* arg,  ///< string pointer
+		const hawk_uch_t* arg,  ///< string pointer
 		hawk_oow_t        len   ///< string length
 	);
 	int addArgument (
 		const hawk_bch_t* arg,  ///< string pointer
 		hawk_oow_t        len   ///< string length
 	);
@ -1444,7 +1453,11 @@ public:
 	/// \return 0 on success, -1 on failure
 	///
 	int addArgument (
-		const hawk_ooch_t* arg ///< string pointer
+		const hawk_uch_t* arg ///< string pointer
 	);
 	int addArgument (
 		const hawk_bch_t* arg ///< string pointer
 	);
 	///
@ -1746,7 +1759,9 @@ protected:
 	{
 		xstrs_t (): ptr (HAWK_NULL), len (0), capa (0) {}
-		int add (hawk_t* awk, const hawk_ooch_t* arg, hawk_oow_t len);
+		int add (hawk_t* awk, const hawk_uch_t* arg, hawk_oow_t len);
 		int add (hawk_t* awk, const hawk_bch_t* arg, hawk_oow_t len);
 		void clear (hawk_t* awk);
 		hawk_oocs_t* ptr;
--- a/hawk/lib/HawkStd.cpp
+++ b/hawk/lib/HawkStd.cpp
@ -798,19 +798,33 @@ const hawk_cmgr_t* HawkStd::getConsoleCmgr () const
 	return this->console_cmgr;
 }
-int HawkStd::addConsoleOutput (const hawk_ooch_t* arg, hawk_oow_t len) 
+int HawkStd::addConsoleOutput (const hawk_uch_t* arg, hawk_oow_t len) 
 {
 	HAWK_ASSERT (awk != HAWK_NULL);
-	int n = this->ofile.add (awk, arg, len);
+	int n = this->ofile.add(awk, arg, len);
-	if (n <= -1) setError (HAWK_ENOMEM);
+	if (n <= -1) this->setError (HAWK_ENOMEM);
 	return n;
 }
-int HawkStd::addConsoleOutput (const hawk_ooch_t* arg) 
+int HawkStd::addConsoleOutput (const hawk_uch_t* arg) 
 {
-	return addConsoleOutput (arg, hawk_count_oocstr(arg));
+	return this->addConsoleOutput(arg, hawk_count_ucstr(arg));
 }
 int HawkStd::addConsoleOutput (const hawk_bch_t* arg, hawk_oow_t len) 
 {
 	HAWK_ASSERT (awk != HAWK_NULL);
 	int n = this->ofile.add(awk, arg, len);
 	if (n <= -1) this->setError (HAWK_ENOMEM);
 	return n;
 }
 int HawkStd::addConsoleOutput (const hawk_bch_t* arg) 
 {
 	return this->addConsoleOutput(arg, hawk_count_bcstr(arg));
 }
 void HawkStd::clearConsoleOutputs () 
 {
 	this->ofile.clear (awk);
@ -1283,12 +1297,21 @@ int HawkStd::SourceFile::close (Data& io)
 hawk_ooi_t HawkStd::SourceFile::read (Data& io, hawk_ooch_t* buf, hawk_oow_t len)
 {
-	return hawk_sio_getoochars ((hawk_sio_t*)io.getHandle(), buf, len);
+	return hawk_sio_getoochars((hawk_sio_t*)io.getHandle(), buf, len);
 }
 hawk_ooi_t HawkStd::SourceFile::write (Data& io, const hawk_ooch_t* buf, hawk_oow_t len)
 {
-	return hawk_sio_putoochars ((hawk_sio_t*)io.getHandle(), buf, len);
+	return hawk_sio_putoochars((hawk_sio_t*)io.getHandle(), buf, len);
 }
 HawkStd::SourceString::~SourceString ()
 {
 	if (this->_hawk) 
 	{
 		HAWK_ASSERT (this->str != HAWK_NULL);
 		hawk_freemem (this->_hawk, this->str);
 	}
 }
 int HawkStd::SourceString::open (Data& io)
@ -1298,9 +1321,40 @@ int HawkStd::SourceString::open (Data& io)
 	if (io.getName() == HAWK_NULL)
 	{
 		// open the main source file.
 		if (io.getMode() == WRITE) 
 		{
 			// SourceString does not support writing.
-		if (io.getMode() == WRITE) return -1;
+			((Hawk*)io)->setError (HAWK_ENOIMPL);
-		ptr = str;
+			return -1;
 		}
 		if (!this->str)
 		{
 			this->_hawk = (hawk_t*)io;
 			if (this->_type == STR_UCH)
 			{
 			#if defined(HAWK_OOCH_IS_UCH)
 				this->str = hawk_dupucstr(this->_hawk, (hawk_uch_t*)this->_str, HAWK_NULL);
 			#else
 				this->str = hawk_duputobcstr(this->_hawk, (hawk_uch_t*)this->_str, HAWK_NULL);
 			#endif
 			}
 			else
 			{
 			#if defined(HAWK_OOCH_IS_UCH)
 				this->str = hawk_dupbtoucstr(this->_hawk, (hawk_bch_t*)this->_str, HAWK_NULL, 0);
 			#else
 				this->str = hawk_dupbcstr(this->_hawk, (hawk_bch_t*)this->_str, HAWK_NULL);
 			#endif
 			}
 			if (!this->str) 
 			{
 				// TODO: check if retrieveError is needed 
 				return -1;
 			}
 		}
 		this->ptr = this->str;
 	}
 	else
 	{
@ -1332,13 +1386,10 @@ int HawkStd::SourceString::open (Data& io)
 					totlen = hawk_count_oocstr(ioname) + dirlen;
 					if (totlen >= HAWK_COUNTOF(fbuf))
 					{
-						dbuf = (hawk_ooch_t*)HAWK_MMGR_ALLOC(
+						dbuf = (hawk_ooch_t*)hawk_allocmem((hawk_t*)io, HAWK_SIZEOF(hawk_ooch_t) * (totlen + 1));
 							((Hawk*)io)->getMmgr(),
 							HAWK_SIZEOF(hawk_ooch_t) * (totlen + 1)
 						);
 						if (dbuf == HAWK_NULL)
 						{
-							((Hawk*)io)->setError (HAWK_ENOMEM);
+							// TODO: check if retrieveError is needed 
 							return -1;
 						}
@ -1358,7 +1409,7 @@ int HawkStd::SourceString::open (Data& io)
 				(HAWK_SIO_READ | HAWK_SIO_IGNOREECERR | HAWK_SIO_KEEPPATH): 
 				(HAWK_SIO_WRITE | HAWK_SIO_CREATE | HAWK_SIO_TRUNCATE | HAWK_SIO_IGNOREECERR))
 		);
-		if (dbuf) HAWK_MMGR_FREE (((Hawk*)io)->getMmgr(), dbuf);
+		if (dbuf) hawk_freemem ((hawk_t*)io, dbuf);
 		if (sio == HAWK_NULL) return -1;
 		io.setHandle (sio);
--- a/hawk/lib/HawkStd.hpp
+++ b/hawk/lib/HawkStd.hpp
@ -89,7 +89,9 @@ public:
 	class HAWK_EXPORT SourceString: public Source
 	{
 	public:
-		SourceString (const hawk_ooch_t* str): str (str) {}
+		SourceString (const hawk_uch_t* str): _type(STR_UCH), _str(str), _hawk(HAWK_NULL), str(HAWK_NULL), ptr(HAWK_NULL) {}
 		SourceString (const hawk_bch_t* str): _type(STR_BCH), _str(str), _hawk(HAWK_NULL), str(HAWK_NULL), ptr(HAWK_NULL) {}
 		~SourceString ();
 		int open (Data& io);
 		int close (Data& io);
@ -97,7 +99,15 @@ public:
 		hawk_ooi_t write (Data& io, const hawk_ooch_t* buf, hawk_oow_t len);
 	protected:
-		const hawk_ooch_t* str;
+		enum
 		{
 			STR_UCH,
 			STR_BCH
 		} _type;
 		const void* _str;
 		hawk_t* _hawk;
 		hawk_ooch_t* str;
 		const hawk_ooch_t* ptr;
 	};
@ -124,8 +134,10 @@ public:
 	/// The addConsoleOutput() function adds a file to form an
 	/// output console stream.
-	int addConsoleOutput (const hawk_ooch_t* arg, hawk_oow_t len);
+	int addConsoleOutput (const hawk_uch_t* arg, hawk_oow_t len);
-	int addConsoleOutput (const hawk_ooch_t* arg);
+	int addConsoleOutput (const hawk_uch_t* arg);
 	int addConsoleOutput (const hawk_bch_t* arg, hawk_oow_t len);
 	int addConsoleOutput (const hawk_bch_t* arg);
 	void clearConsoleOutputs ();
--- a/hawk/m4/libtool.m4
+++ b/hawk/m4/libtool.m4
@ -728,6 +728,7 @@ _LT_CONFIG_SAVE_COMMANDS([
    cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
 # Generated automatically by $as_me ($PACKAGE) $VERSION
 # Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 # Provide generalized library-building support services.
@ -2866,6 +2867,9 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  # before this can be enabled.
  hardcode_into_libs=yes
  # Add ABI-specific directories to the system library path.
  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
  # Ideally, we could use ldconfig to report *all* directores which are
  # searched for libraries, however this is still not possible.  Aside from not
  # being certain /sbin/ldconfig is available, command
@ -2874,7 +2878,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  # appending ld.so.conf contents (and includes) to the search path.
  if test -f /etc/ld.so.conf; then
    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
  fi
  # We used to test for /lib/ld.so.1 and disable shared libraries on
@ -2886,18 +2890,6 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  dynamic_linker='GNU/Linux ld.so'
  ;;
 netbsdelf*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  hardcode_into_libs=yes
  dynamic_linker='NetBSD ld.elf_so'
  ;;
 netbsd*)
  version_type=sunos
  need_lib_prefix=no
@ -3557,7 +3549,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  lt_cv_deplibs_check_method=pass_all
  ;;
-netbsd* | netbsdelf*-gnu)
+netbsd*)
  if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
    lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
  else
@ -4435,7 +4427,7 @@ m4_if([$1], [CXX], [
 	    ;;
 	esac
 	;;
-      netbsd* | netbsdelf*-gnu)
+      netbsd*)
 	;;
      *qnx* | *nto*)
        # QNX uses GNU C++, but need to define -shared option too, otherwise
@ -4947,9 +4939,6 @@ m4_if([$1], [CXX], [
      ;;
    esac
    ;;
  linux* | k*bsd*-gnu | gnu*)
    _LT_TAGVAR(link_all_deplibs, $1)=no
    ;;
  *)
    _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
    ;;
@ -5012,9 +5001,6 @@ dnl Note also adjust exclude_expsyms for C++ above.
  openbsd* | bitrig*)
    with_gnu_ld=no
    ;;
  linux* | k*bsd*-gnu | gnu*)
    _LT_TAGVAR(link_all_deplibs, $1)=no
    ;;
  esac
  _LT_TAGVAR(ld_shlibs, $1)=yes
@ -5269,7 +5255,7 @@ _LT_EOF
      fi
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 	wlarc=
@ -5790,7 +5776,6 @@ _LT_EOF
 	if test yes = "$lt_cv_irix_exported_symbol"; then
          _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
 	fi
 	_LT_TAGVAR(link_all_deplibs, $1)=no
      else
 	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
 	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
@ -5812,7 +5797,7 @@ _LT_EOF
      esac
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
      else
--- a/hawk/samples/Makefile.am
+++ b/hawk/samples/Makefile.am
@ -0,0 +1,31 @@
 AUTOMAKE_OPTIONS = nostdinc
 CPPFLAGS_ALL_COMMON = \
 	-I$(abs_builddir) \
 	-I$(abs_builddir)/../lib  \
 	-I$(abs_srcdir) \
 	-I$(abs_srcdir)/../lib \
 	-I$(includedir)
 LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(abs_builddir)/../lib -L$(libdir)
 CPPFLAGS_BIN_COMMON = $(CPPFLAGS_ALL_COMMON)
 LDFLAGS_BIN_COMMON = $(LDFLAGS_ALL_COMMON) -version-info 1:0:0 -no-undefined
 LIBADD_BIN_COMMON = $(LIBM) 
 bin_PROGRAMS = 
 if ENABLE_CXX
 bin_PROGRAMS += hawk51
 hawk51_SOURCES = hawk51.cpp
 hawk51_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
 hawk51_LDFLAGS = $(LDFLAGS_ALL_COMMON)
 hawk51_LDADD = $(LIBADD_BIN_COMMON) $(SOCKET_LIBS) -lhawkxx
 hawk51_DEPENDENCIES = ../lib/libhawkxx.la
 endif
--- a/hawk/samples/Makefile.in
+++ b/hawk/samples/Makefile.in
@ -0,0 +1,721 @@
 # Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@
 # Copyright (C) 1994-2018 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 # This program is distributed in the hope that it will be useful,
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 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
--- a/hawk/samples/hawk51.cpp
+++ b/hawk/samples/hawk51.cpp
@ -0,0 +1,497 @@
 /*
 * $Id$
 *
    Copyright (c) 2006-2019 Chung, Hyung-Hwan. 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 "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 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 <HawkStd.hpp>
 #include <hawk-utl.h>
 #include <hawk-fmt.h>
 #include <hawk-cli.h>
 #include <stdio.h>
 #include <string.h>
 #include <signal.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <locale.h>
 #include <cstring>
 #if defined(_WIN32)
 #	include <windows.h>
 #elif defined(__OS2__)
 #	define INCL_DOSPROCESS
 #	include <os2.h>
 #else
 #	include <unistd.h>
 #	include <signal.h>
 #	include <errno.h>
 #endif
 /* these three definitions for doxygen cross-reference */
 typedef HAWK::HawkStd HawkStd;
 typedef HAWK::HawkStd::Run Run;
 typedef HAWK::HawkStd::Value Value;
 class MyHawk: public HawkStd
 {
 public:
 	MyHawk (HAWK::Mmgr* mmgr = HAWK_NULL): HawkStd(mmgr) { }
 	~MyHawk () { this->close (); }
 	int open ()
 	{
 		if (HawkStd::open () <= -1) return -1;
 		idLastSleep = this->addGlobal(HAWK_T("LAST_SLEEP"));
 		if (idLastSleep <= -1) goto oops;
 		/* this is for demonstration only. 
 		 * you can use sys::sleep() instead */
 		if (this->addFunction(HAWK_T("sleep"), 1, 1, HAWK_NULL, (FunctionHandler)&MyHawk::sleep) <= -1 ||
 		    this->addFunction (HAWK_T("sumintarray"), 1, 1, HAWK_NULL, (FunctionHandler)&MyHawk::sumintarray) <= -1 ||
 		    this->addFunction (HAWK_T("arrayindices"), 1, 1, HAWK_NULL, (FunctionHandler)&MyHawk::arrayindices) <= -1) goto oops;
 		return 0;
 	oops:
 		HawkStd::close ();
 		return -1;
 	}
 	int sleep (Run& run, Value& ret, Value* args, hawk_oow_t nargs, const hawk_ooch_t* name, hawk_oow_t len)
 	{
 		if (args[0].isIndexed()) 
 		{
 			run.setError (HAWK_EINVAL);
 			return -1;
 		}
 		hawk_int_t x = args[0].toInt();
 		/*Value arg;
 		if (run.getGlobal(idLastSleep, arg) == 0)
 			hawk_printf (HAWK_T("GOOD: [%d]\n"), (int)arg.toInt());
 		else { hawk_printf (HAWK_T("BAD:\n")); }
 		*/
 		if (run.setGlobal (idLastSleep, x) <= -1) return -1;
 	#if defined(_WIN32)
 		::Sleep ((DWORD)(x * 1000));
 		return ret.setInt (0);
 	#elif defined(__OS2__)
 		::DosSleep ((ULONG)(x * 1000));
 		return ret.setInt (0);
 	#else
 		return ret.setInt (::sleep (x));
 	#endif
 	}
 	int sumintarray (Run& run, Value& ret, Value* args, hawk_oow_t nargs, const hawk_ooch_t* name, hawk_oow_t len)
 	{
 		// BEGIN { 
 		//   for(i=0;i<=10;i++) x[i]=i; 
 		//   print sumintarray(x);
 		// }
 		hawk_int_t x = 0;
 		if (args[0].isIndexed()) 
 		{
 			Value val(run);
 			Value::Index idx;
 			Value::IndexIterator ii;
 			ii = args[0].getFirstIndex(&idx);
 			while (ii != ii.END)
 			{
 				if (args[0].getIndexed(idx, &val) <= -1) return -1;
 				x += val.toInt ();
 				ii = args[0].getNextIndex(&idx, ii);
 			}
 		}
 		else x += args[0].toInt();
 		return ret.setInt(x);
 	}
 	int arrayindices (Run& run, Value& ret, Value* args, hawk_oow_t nargs, const hawk_ooch_t* name, hawk_oow_t len)
 	{
 		// create another array composed of array indices
 		// BEGIN { 
 		//   for(i=0;i<=10;i++) x[i]=i; 
 		//   y=arrayindices(x); 
 		//   for (i in y) print y[i]; 
 		// }
 		if (!args[0].isIndexed()) return 0;
 		Value::Index idx;
 		Value::IndexIterator ii;
 		hawk_int_t i;
 		ii = args[0].getFirstIndex (&idx);
 		for (i = 0; ii != ii.END ; i++)
 		{
 			Value::IntIndex iidx (i);
 			if (ret.setIndexedStr (
 				iidx, idx.pointer(), idx.length()) <= -1) return -1;
 			ii = args[0].getNextIndex (&idx, ii);
 		}
 		return 0;
 	}
 private:
 	int idLastSleep;
 };
 static MyHawk* app_hawk = HAWK_NULL;
 static void print_error (const hawk_bch_t* fmt, ...)
 {
 	va_list va;
 	fprintf (stderr, "ERROR: ");
 	va_start (va, fmt);
 	vfprintf (stderr, fmt, va);
 	va_end (va);
 }
 static void print_error (MyHawk& hawk)
 {
 	hawk_loc_t loc = hawk.getErrorLocation();
 	if (loc.file)
 	{
 		print_error ("line %lu at %s - %s\n", (unsigned long int)loc.line, loc.file, hawk.getErrorMessage());
 	}
 	else
 	{
 		print_error ("line %lu - %s\n", (unsigned long int)loc.line, hawk.getErrorMessage());
 	}
 }
 #ifdef _WIN32
 static BOOL WINAPI stop_run (DWORD ctrl_type)
 {
 	if (ctrl_type == CTRL_C_EVENT ||
 	    ctrl_type == CTRL_CLOSE_EVENT)
 	{
 		if (app_hawk) app_hawk->stop ();
 		return TRUE;
 	}
 	return FALSE;
 }
 #else
 static int setsignal (int sig, void(*handler)(int), int restart)
 {
 	struct sigaction sa_int;
 	sa_int.sa_handler = handler;
 	sigemptyset (&sa_int.sa_mask);
 	sa_int.sa_flags = 0;
 	if (restart)
 	{
 	#ifdef SA_RESTART
 		sa_int.sa_flags |= SA_RESTART;
 	#endif
 	}
 	else
 	{
 	#ifdef SA_INTERRUPT
 		sa_int.sa_flags |= SA_INTERRUPT;
 	#endif
 	}
 	return sigaction (sig, &sa_int, NULL);
 }
 static void stop_run (int sig)
 {
 	int e = errno;
 	if (app_hawk) app_hawk->halt ();
 	errno = e;
 }
 #endif
 static void set_signal (void)
 {
 #ifdef _WIN32
 	SetConsoleCtrlHandler (stop_run, TRUE);
 #else
 	/*setsignal (SIGINT, stop_run, 1); TO BE MORE COMPATIBLE WITH WIN32*/
 	setsignal (SIGINT, stop_run, 0);
 #endif
 }
 static void unset_signal (void)
 {
 #ifdef _WIN32
 	SetConsoleCtrlHandler (stop_run, FALSE);
 #else
 	setsignal (SIGINT, SIG_DFL, 1);
 #endif
 }
 static void print_usage (FILE* out, const hawk_bch_t* argv0)
 {
 	fprintf (out, "USAGE: %s [options] -f sourcefile [ -- ] [datafile]*\n", argv0);
 	fprintf (out, "       %s [options] [ -- ] sourcestring [datafile]*\n", argv0);
 	fprintf (out, "Where options are:\n");
 	fprintf (out, " -h                print this message\n");
 	fprintf (out, " -f sourcefile     set the source script file\n");
 	fprintf (out, " -d deparsedfile   set the deparsing output file\n");
 	fprintf (out, " -o outputfile     set the console output file\n");
 	fprintf (out, " -F string         set a field separator(FS)\n");
 }
 struct cmdline_t
 {
 	hawk_bch_t* ins;
 	hawk_bch_t* inf;
 	hawk_bch_t* outf;
 	hawk_bch_t* outc;
 	hawk_bch_t* fs;
 };
 static int handle_cmdline (MyHawk& awk, int argc, hawk_bch_t* argv[], cmdline_t* cmdline)
 {
 	static hawk_bcli_t opt =
 	{
 		"hF:f:d:o:",
 		HAWK_NULL
 	};
 	hawk_bci_t c;
 	std::memset (cmdline, 0, HAWK_SIZEOF(*cmdline));
 	while ((c = hawk_get_bcli(argc, argv, &opt)) != HAWK_BCI_EOF)
 	{
 		switch (c)
 		{
 			case 'h':
 				print_usage (stdout, argv[0]);
 				return 0;
 			case 'F':
 				cmdline->fs = opt.arg;
 				break;
 			case 'f':
 				cmdline->inf = opt.arg;
 				break;
 			case 'd':
 				cmdline->outf = opt.arg;
 				break;
 			case 'o':
 				cmdline->outc = opt.arg;
 				break;
 			case '?':
 				print_error ("illegal option - '%c'\n", opt.opt);
 				return -1;
 			case ':':
 				print_error ("bad argument for '%c'\n", opt.opt);
 				return -1;
 			default:
 				print_usage (stderr, argv[0]);
 				return -1;
 		}
 	}
 	if (opt.ind < argc && !cmdline->inf) cmdline->ins = argv[opt.ind++];
 	while (opt.ind < argc)
 	{
 		if (awk.addArgument(argv[opt.ind++]) <= -1) 
 		{
 			print_error (awk);
 			return -1;
 		}
 	}
 	if (!cmdline->ins && !cmdline->inf)
 	{
 		print_usage (stderr, argv[0]);
 		return -1;
 	}
 	return 1;
 }
 static int hawk_main (MyHawk& awk, int argc, hawk_bch_t* argv[])
 {
 	MyHawk::Run* run;
 	cmdline_t cmdline;
 	int n;
 	awk.setTrait (awk.getTrait() | HAWK_FLEXMAP | HAWK_RWPIPE | HAWK_NEXTOFILE);
 	// ARGV[0]
 	if (awk.addArgument(HAWK_T("hawk25")) <= -1)
 	{
 		print_error (awk); 
 		return -1; 
 	}
 	if ((n = handle_cmdline(awk, argc, argv, &cmdline)) <= 0) return n;
 	MyHawk::Source* in, * out;
 	MyHawk::SourceString in_str(cmdline.ins);
 	MyHawk::SourceFile in_file(cmdline.inf); 
 	MyHawk::SourceFile out_file(cmdline.outf);
 	in = (cmdline.ins)? (MyHawk::Source*)&in_str: (MyHawk::Source*)&in_file;
 	out = (cmdline.outf)? (MyHawk::Source*)&out_file: &MyHawk::Source::NONE;
 	run = awk.parse (*in, *out);
 	if (run == HAWK_NULL) 
 	{
 		print_error (awk); 
 		return -1; 
 	}
 	if (cmdline.fs)
 	{
 		MyHawk::Value fs (run);
 		if (fs.setStr(cmdline.fs) <= -1) 
 		{
 			print_error (awk); 
 			return -1; 
 		}
 		if (awk.setGlobal(HAWK_GBL_FS, fs) <= -1) 
 		{
 			print_error (awk); 
 			return -1; 
 		}
 	}
 	if (cmdline.outc) 
 	{
 		if (awk.addConsoleOutput(cmdline.outc) <= -1)
 		{
 			print_error (awk); 
 			return -1; 
 		}
 	}
 	MyHawk::Value ret;
 	if (awk.loop (&ret) <= -1) 
 	{ 
 		print_error (awk); 
 		return -1; 
 	}
 	return 0;
 }
 static HAWK_INLINE int execute_hawk (int argc, hawk_bch_t* argv[])
 {
 	//HAWK::HeapMmgr hm (1000000);
 	//MyHawk awk (&hm);
 	MyHawk hawk;
 	if (hawk.open() <= -1)
 	{
 		print_error (hawk);
 		return -1;
 	}
 	app_hawk = &hawk;
 	set_signal ();
 	int n = hawk_main(hawk, argc, argv);
 	unset_signal ();
 	app_hawk = HAWK_NULL;
 	hawk.close ();
 	return n;
 }
 /* ---------------------------------------------------------------------- */
 int main (int argc, hawk_bch_t* argv[])
 {
 	int ret;
 #if defined(_WIN32)
 	char locale[100];
 	UINT codepage;
 	WSADATA wsadata;
 	int sock_inited = 0;
 #elif defined(__DOS__)
 	extern BOOL _watt_do_exit;
 	int sock_inited = 0;
 #else
 	/* nothing special */
 #endif
 #if defined(_WIN32)
 	codepage = GetConsoleOutputCP();
 	if (codepage == CP_UTF8)
 	{
 		/*SetConsoleOUtputCP (CP_UTF8);*/
 		/*hawk_setdflcmgrbyid (HAWK_CMGR_UTF8);*/
 	}
 	else
 	{
 		/* .codepage */
 		hawk_fmt_uintmax_to_bcstr (locale, HAWK_COUNTOF(locale), codepage, 10, -1, '\0', ".");
 		setlocale (LC_ALL, locale);
 		/* hawk_setdflcmgrbyid (HAWK_CMGR_SLMB); */
 	}
 #else
 	setlocale (LC_ALL, "");
 	/* hawk_setdflcmgrbyid (HAWK_CMGR_SLMB); */
 #endif
 #if defined(_WIN32)
 	if (WSAStartup(MAKEWORD(2,0), &wsadata) != 0)
 		print_warning ("Failed to start up winsock\n");
 	else sock_inited = 1;
 #elif defined(__DOS__)
 	/* TODO: add an option to skip watt-32 */
 	_watt_do_exit = 0; /* prevent sock_init from exiting upon failure */
 	if (sock_init() != 0) print_warning ("Failed to initialize watt-32\n");
 	else sock_inited = 1;
 #endif
 	ret = execute_hawk(argc, argv);
 #if defined(_WIN32)
 	if (sock_inited) WSACleanup ();
 #elif defined(__DOS__)
 	if (sock_inited) sock_exit ();
 #endif
 	return ret;
 }