/**
 * mds — A micro-display server
 * Copyright © 2014, 2015  Mattias Andrée (maandree@member.fsf.org)
 * 
 * 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++)
    {
      char* arg = argv[i];
      if (strequals(arg, "--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), fatal)		\
    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
}