/*
 * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * 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.
 * 
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID("$arla: main.c,v 1.23 2002/11/27 23:48:58 lha Exp $");
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <roken.h>
#include "sym.h"
#include "output.h"
#include <err.h>
#include <roken.h>

extern FILE *yyin;

int parse_errors;

/*
 * ydr - generate stub routines for encode/decoding and RX
 */

int yyparse(void);

/*
 * Return the basename of `s'.
 * The result is malloc'ed.
 */

static char *
ydr_basename (const char *s)
{
     const char *p, *q;
     char *res;

     p = strrchr (s, '/');
     if (p == NULL)
	  p = s;
     else
	  ++p;
     q = strchr (p, '.');
     if (q == NULL)
	  q = s + strlen (s);
     res = malloc (q - p + 1);
     if (res == NULL)
	 return NULL;
     memmove (res, p, q - p);
     res[q - p] = '\0';
     return res;
}

/*
 *
 */

int
main (int argc, char **argv)
{
    int ret;
    FILE *foo;
    char tmp_filename[64];
    char *cpp = CPP;
    int arglen;
    int i;
    char *arg;
    char *filename;

    if (argc < 2)
	errx (1, "Usage: %s [cpp-arguments] filename", argv[0]);

    snprintf (tmp_filename, sizeof(tmp_filename),
	      "ydr_tmp_%u.c", (unsigned)getpid());
    foo = fopen (tmp_filename, "w");
    if (foo == NULL)
	err (1, "error opening %s", tmp_filename);
    filename = ydr_basename (argv[argc - 1]);
    fprintf (foo, "#include \"%s\"\n", argv[argc - 1]);
    fclose (foo);

    initsym ();
    init_generate (filename);

    arglen = strlen(cpp) + 1;
    for (i = 1; i < argc - 1; ++i) {
	arglen += strlen (argv[i]) + 1;
    }
    arglen += strlen(tmp_filename) + 1;

    arg = malloc (arglen);
    if (arg == NULL) {
	unlink (tmp_filename);
	errx (1, "malloc: out of memory");
    }
    strlcpy (arg, cpp, arglen);
    strlcat (arg, " ", arglen);
    for (i = 1; i < argc - 1; ++i) {
	strlcat (arg, argv[i], arglen);
	strlcat (arg, " ", arglen);
    }
    strlcat (arg, tmp_filename, arglen);

    yyin = popen (arg, "r");
    if (yyin == NULL) {
	unlink (tmp_filename);
	err (1, "popen `%s'", arg);
    }
    free (arg);
    ret = yyparse ();
    generate_server_switch (serverfile.stream, serverhdrfile.stream);
    pclose (yyin);
    close_generator (filename);
    unlink (tmp_filename);

    return ret + parse_errors;
}