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#ifndef SCM_HOOKS_H
#define SCM_HOOKS_H
/* Copyright 1995-1996,1999,2000-2001,2006,2008-2009,2018
Free Software Foundation, Inc.
This file is part of Guile.
Guile is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Guile 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Guile. If not, see
<https://www.gnu.org/licenses/>. */
#include <libguile/error.h>
#include <libguile/smob.h>
/*
* Scheme level hooks
*/
SCM_API scm_t_bits scm_tc16_hook;
#define SCM_HOOKP(x) SCM_SMOB_PREDICATE (scm_tc16_hook, x)
#define SCM_HOOK_ARITY(hook) SCM_SMOB_FLAGS (hook)
#define SCM_HOOK_PROCEDURES(hook) SCM_SMOB_OBJECT (hook)
#define SCM_SET_HOOK_PROCEDURES(hook, procs) SCM_SET_SMOB_OBJECT ((hook), (procs))
#define SCM_VALIDATE_HOOK(pos, a) SCM_MAKE_VALIDATE_MSG (pos, a, HOOKP, "hook")
SCM_API SCM scm_make_hook (SCM n_args);
SCM_API SCM scm_hook_p (SCM x);
SCM_API SCM scm_hook_empty_p (SCM hook);
SCM_API SCM scm_add_hook_x (SCM hook, SCM thunk, SCM appendp);
SCM_API SCM scm_remove_hook_x (SCM hook, SCM thunk);
SCM_API SCM scm_reset_hook_x (SCM hook);
SCM_API SCM scm_run_hook (SCM hook, SCM args);
SCM_API void scm_c_run_hook (SCM hook, SCM args);
SCM_API void scm_c_run_hookn (SCM hook, SCM *argv, size_t nargs);
SCM_API SCM scm_hook_to_list (SCM hook);
SCM_INTERNAL void scm_init_hooks (void);
#endif /* SCM_HOOKS_H */
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