/**
 * mds — A micro-display server
 * Copyright © 2014, 2015, 2016, 2017  Mattias Andrée (maandree@kth.se)
 * 
 * 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
 * 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/>.
 */
#include "mds-kbdc.h"

#include "globals.h"
#include "make-tree.h"
#include "simplify-tree.h"
#include "process-includes.h"
#include "validate-tree.h"
#include "eliminate-dead-code.h"
#include "compile-layout.h"

#include <libmdsserver/macros.h>

#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>



/**
 * Parse command line arguments
 */
static void
parse_cmdline(void)
{
	int i;
	for (i = 0; i < argc; i++)
		if (strequals(argv[i], "--force"))
			argv_force = 1;
}


/**
 * Compile a keyboard layout file
 * 
 * @param   argc_  The number of elements in `argv_`
 * @param   argv_  The command line arguments
 * @return         Zero on and only one success
 */
int
main(int argc_, char **argv_)
{
#define process(expr)\
	fail_if ((expr) < 0);\
	if ((fatal = mds_kbdc_parsed_is_fatal(&result)))\
		goto stop;

	mds_kbdc_parsed_t result;
	int fatal;

	argc = argc_;
	argv = argv_;

	parse_cmdline();

	mds_kbdc_parsed_initialise(&result);
	process (parse_to_tree(argv[1], &result));
	process (simplify_tree(&result));
	process (process_includes(&result));
	process (validate_tree(&result));
	process (eliminate_dead_code(&result));
	process (compile_layout(&result));
	/* TODO process (assemble_layout(&result)); */
stop:
	/* mds_kbdc_tree_print(result.tree, stderr); // for testing passes parse_to_tree–eliminate_dead_code */
	mds_kbdc_parsed_print_errors(&result, stderr);
	mds_kbdc_parsed_destroy(&result);
	return fatal;

fail:
	xperror(*argv);
	mds_kbdc_parsed_destroy(&result);
	return 1;
#undef process
}