5 /* Copyright (C) 1995, 1996, 1999 Free Software Foundation, Inc.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this software; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 * Boston, MA 02111-1307 USA
22 * As a special exception, the Free Software Foundation gives permission
23 * for additional uses of the text contained in its release of GUILE.
25 * The exception is that, if you link the GUILE library with other files
26 * to produce an executable, this does not by itself cause the
27 * resulting executable to be covered by the GNU General Public License.
28 * Your use of that executable is in no way restricted on account of
29 * linking the GUILE library code into it.
31 * This exception does not however invalidate any other reasons why
32 * the executable file might be covered by the GNU General Public License.
34 * This exception applies only to the code released by the
35 * Free Software Foundation under the name GUILE. If you copy
36 * code from other Free Software Foundation releases into a copy of
37 * GUILE, as the General Public License permits, the exception does
38 * not apply to the code that you add in this way. To avoid misleading
39 * anyone as to the status of such modified files, you must delete
40 * this exception notice from them.
42 * If you write modifications of your own for GUILE, it is your choice
43 * whether to permit this exception to apply to your modifications.
44 * If you do not wish that, delete this exception notice. */
46 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
47 gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
50 #include "libguile/__scm.h"
52 #define SCM_HOOKP(x) (SCM_NIMP(x) && (SCM_TYP16 (x) == scm_tc16_hook))
53 #define SCM_HOOK_ARITY(hook) (SCM_CARW (hook) >> 16)
54 #define SCM_HOOK_NAME(hook) SCM_CADR (hook)
55 #define SCM_HOOK_PROCEDURES(hook) SCM_CDDR (hook)
56 #define SCM_SET_HOOK_PROCEDURES(hook, procs) SCM_SETCDR (SCM_CDR (hook), procs)
58 extern long scm_tc16_hook
;
60 extern void scm_add_feature (const char* str
);
61 extern SCM
scm_program_arguments (void);
62 extern void scm_set_program_arguments (int argc
, char **argv
, char *first
);
63 extern SCM
scm_make_hook (SCM n_args
);
64 extern SCM
scm_make_hook_with_name (SCM name
, SCM n_args
);
65 extern SCM
scm_create_hook (const char* name
, int n_args
);
66 extern void scm_free_hook (SCM hook
);
67 extern SCM
scm_make_named_hook (const char* name
, int n_args
);
68 extern SCM
scm_hook_p (SCM x
);
69 extern SCM
scm_hook_empty_p (SCM hook
);
70 extern SCM
scm_add_hook_x (SCM hook
, SCM thunk
, SCM appendp
);
71 extern SCM
scm_remove_hook_x (SCM hook
, SCM thunk
);
72 extern SCM
scm_reset_hook_x (SCM hook
);
73 extern SCM
scm_run_hook (SCM hook
, SCM args
);
74 extern void scm_c_run_hook (SCM hook
, SCM args
);
75 extern SCM
scm_hook_to_list (SCM hook
);
76 extern void scm_init_feature (void);