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Diffstat (limited to 'libguile/hooks.h')
-rw-r--r-- | libguile/hooks.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libguile/hooks.h b/libguile/hooks.h new file mode 100644 index 000000000..3cc37bf37 --- /dev/null +++ b/libguile/hooks.h @@ -0,0 +1,53 @@ +#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 */ |