--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwbasic/main.c	Sat Jan 22 21:01:03 2011 -0700
@@ -0,0 +1,100 @@
+/*
+main.c
+
+Copyright © 2011 William Astle
+
+This file is part of LWTOOLS.
+
+LWTOOLS 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 3 of the License, or (at your option) any later
+version.
+
+This program 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
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+main program startup handling for lwbasic
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <lw_cmdline.h>
+#include <lw_string.h>
+#include <lw_alloc.h>
+
+#include "lwbasic.h"
+
+#define PROGVER "lwbasic from " PACKAGE_STRING
+
+static struct lw_cmdline_options options[] =
+{
+	{ "output",			'o',		"FILE",		0,							"Output to FILE"},
+	{ "debug",			'd',		"LEVEL",	lw_cmdline_opt_optional,	"Set debug mode"},
+	{ 0 }
+};
+
+static int parse_opts(int key, char *arg, void *data)
+{
+	cstate *state = data;
+	
+	switch (key)
+	{
+	case 'o':
+		if (state -> output_file)
+			lw_free(state -> output_file);
+		state -> output_file = lw_strdup(arg);
+		break;
+
+	case 'd':
+		if (!arg)
+			state -> debug_level = 50;
+		else
+			state -> debug_level = atoi(arg);
+		break;
+	
+	case lw_cmdline_key_end:
+		return 0;
+		
+	case lw_cmdline_key_arg:
+		if (state -> input_file)
+		{
+			fprintf(stderr, "Already have an input file; ignoring %s\n", arg);
+		}
+		else
+		{
+			state -> input_file = lw_strdup(arg);
+		}
+		break;
+		
+	default:
+		return lw_cmdline_err_unknown;
+	}
+	
+	return 0;
+}
+
+static struct lw_cmdline_parser cmdline_parser =
+{
+	options,
+	parse_opts,
+	"INPUTFILE",
+	"lwbasic, a compiler for a dialect of Basic\vPlease report bugs to lost@l-w.ca.",
+	PROGVER
+};
+
+int main(int argc, char **argv)
+{
+	cstate state = { 0 };
+
+	lw_cmdline_parse(&cmdline_parser, argc, argv, 0, 0, &state);
+
+	exit(0);
+}