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Diffstat (limited to 'libguile/weak-set.h')
-rw-r--r-- | libguile/weak-set.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/libguile/weak-set.h b/libguile/weak-set.h new file mode 100644 index 000000000..86781c78a --- /dev/null +++ b/libguile/weak-set.h @@ -0,0 +1,69 @@ +/* classes: h_files */ + +#ifndef SCM_WEAK_SET_H +#define SCM_WEAK_SET_H + +/* Copyright (C) 2011 Free Software Foundation, Inc. + * + * This library 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. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + + +#include "libguile/__scm.h" + + + +/* The weak set API is currently only used internally. We could make it + public later, after some API review. */ + +/* Function that returns nonzero if the given object is the one we are + looking for. */ +typedef int (*scm_t_set_predicate_fn) (SCM obj, void *closure); + +/* Function to fold over the elements of a set. */ +typedef SCM (*scm_t_set_fold_fn) (void *closure, SCM key, SCM result); + +SCM_INTERNAL SCM scm_c_make_weak_set (unsigned long k); +SCM_INTERNAL SCM scm_weak_set_p (SCM h); +SCM_INTERNAL SCM scm_c_weak_set_lookup (SCM set, unsigned long raw_hash, + scm_t_set_predicate_fn pred, + void *closure, SCM dflt); +SCM_INTERNAL SCM scm_c_weak_set_add_x (SCM set, unsigned long raw_hash, + scm_t_set_predicate_fn pred, + void *closure, SCM obj); +SCM_INTERNAL void scm_c_weak_set_remove_x (SCM set, unsigned long raw_hash, + scm_t_set_predicate_fn pred, + void *closure); +SCM_INTERNAL SCM scm_weak_set_add_x (SCM set, SCM obj); +SCM_INTERNAL SCM scm_weak_set_remove_x (SCM set, SCM obj); +SCM_INTERNAL SCM scm_weak_set_clear_x (SCM set); +SCM_INTERNAL SCM scm_c_weak_set_fold (scm_t_set_fold_fn proc, void *closure, + SCM init, SCM set); +SCM_INTERNAL SCM scm_weak_set_fold (SCM proc, SCM init, SCM set); +SCM_INTERNAL SCM scm_weak_set_for_each (SCM proc, SCM set); +SCM_INTERNAL SCM scm_weak_set_map_to_list (SCM proc, SCM set); + +SCM_INTERNAL void scm_i_weak_set_print (SCM exp, SCM port, scm_print_state *pstate); +SCM_INTERNAL void scm_init_weak_set (void); + +#endif /* SCM_WEAK_SET_H */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/ |