/* error.c
 * This file is part of Decomp - a decompiler.  In this file are
 * various error routines and the message table used by
 * error_out ().
 *
 * Copyright (C) 2001, Jonathan duSaint <dusaint@earthlink.net>
 *
 * Started around 10 November 2001.
 */

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

#include "decomp.h"

char *message_table[] = {
  "internal error",
  "need input file name",
  "unable to get information on input file",
  "unable to deallocate resources used by input file",
  "unable to open a file",
  "unable to read input file",
  "invalid input file",
  "unrecognized file format",
  "unable to read entire section",
};


/* panic
 * A library function failed that really shouldn't have and to try
 * to continue would be senseless.
 */
void
panic (long line, char *file)
{
  fprintf (stderr, "%s: PANIC at %ld of %s: %s\n", pname, line, file,
	   strerror (errno));
  abort ();
}


/* error_out
 * Some kind of error occurred which isn't necessarily disastrous, but
 * it would be kind of hard to continue.
 */
void
error_out_internal (int error_index, long where, char *location)
{
  fprintf (stderr, "%s: %s at %ld in %s%s%s\n", pname,
	   message_table[error_index], where, location,
	   (errno != 0) ? ": " : "", (errno != 0) ? strerror (errno) : "");
  exit (EXIT_FAILURE);
}