summaryrefslogtreecommitdiffhomepage
path: root/mixguile/xmixguile_cmd_dispatcher.h
blob: c3996322802acbe22bb93eaf8b7e48fc4cfe891e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/* -*-c-*- ---------------- xmixguile_cmd_dispatcher.h :
 * Internal declarations for mixguile_cmd_dispatcher_t
 * ------------------------------------------------------------------
 *  Last change: Time-stamp: <01/08/22 01:11:20 jao>
 * ------------------------------------------------------------------
 * Copyright (C) 2001 Free Software Foundation, Inc.
 *  
 * 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 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *  
 */


#ifndef XMIXGUILE_CMD_DISPATCHER_H
#define XMIXGUILE_CMD_DISPATCHER_H

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

#include <guile/gh.h>
#include "mixguile_cmd_dispatcher.h"

/* the cmd dispatcher type */
struct mixguile_cmd_dispatcher_t 
{
  mix_vm_cmd_dispatcher_t *dispatcher;
  FILE *err;			/* the vm dispatcher err stream */
  FILE *out;			/* the vm dispatcher out stream */
  FILE *guile_out;		/* output file of the dispatcher */
  int fildes[2];		/* pipe for communication with dispatcher */
  gchar *result;		/* last result string */
};

/* scm commands types */
/* prototype of a function implementing a new scm function */
typedef SCM (*scm_func_t) ();

/* record for a new scm command */
typedef struct scm_command_t 
{
  gchar *name;			/* name of the scheme command */
  scm_func_t func;		/* implementation of the command */
  int argno;			/* no. of arguments */
  int opt_argno;		/* no. of optional arguments */
  int restp;			/* if 1, receive a list of remaining args */
} scm_command_t;

/* NULL-terminated list of available scm commands */
extern const scm_command_t DEFAULT_SCM_COMMANDS_[];

/* register a NULL-terminated list of scm commands */
extern void
register_scm_commands_ (const scm_command_t *commands);

/* register the mixvm cmd dispatcher to use with commands */
extern void
register_cmd_dispatcher_ (mixguile_cmd_dispatcher_t *dis);


#endif /* XMIXGUILE_CMD_DISPATCHER_H */