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/* scanners.h -- defs for interface to scanners.c
Copyright (C) 1986, 1995, 1996 Free Software Foundation, Inc.
Written by Greg McGary <gkm@gnu.ai.mit.edu>
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 2, 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _scanners_h_
#define _scanners_h_
#include "xobstack.h"
#define MAX_LEVELS 5 /* log_8 of the max # of files: log_8 (32768) == 5 */
struct token
{
unsigned short tok_count;
unsigned char tok_flags;
unsigned char tok_hits[MAX_LEVELS];
char tok_name[1];
};
typedef struct token *(*get_token_func_t) __P((FILE *in_FILE, void const *args, int *flags));
typedef void *(*parse_args_func_t) __P((char **argv, int argc));
typedef void (*help_me_func_t) __P((void));
struct language
{
char const *lg_name;
parse_args_func_t lg_parse_args;
get_token_func_t lg_get_token;
help_me_func_t lg_help_me;
int lg_argc;
char *lg_argv[16];
};
struct lang_args
{
struct language const *la_language;
char const *la_pattern; /* fnmatch(3) pattern */
char *la_args_string; /* human-readable scanner args */
void const *la_args_digested; /* pre-parsed scanner args */
int la_index;
struct lang_args *la_next;
};
extern void language_help_me __P((void));
extern void language_getopt __P((void));
extern void language_save_arg __P((char *arg));
extern struct language *get_language __P((char const *lang_name));
extern void parse_language_map __P((char const *file_name));
extern void set_default_language __P((char const *lang_name));
extern struct lang_args *lang_args_default;
extern struct lang_args *lang_args_list;
extern struct obstack tokens_obstack;
#endif /* not _scanners_h_ */
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