static boolean do_debug_parse = false;
static public void main(String[] args) throws java.io.IOException {
/* create a parsing object */
parser parser_obj = new parser(new scanner());
/* open input files, etc. here */
Symbol parse_tree = null;
try {
if (do_debug_parse)
parse_tree = parser_obj.debug_parse();
else
parse_tree = parser_obj.parse();
} catch (Exception e) {
/* do cleanup here -- possibly rethrow e */
} finally {
/* do close out here */
}