/* Copyright 2009-2022
 * Kaz Kylheku <kaz@kylheku.com>
 * Vancouver, Canada
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

extern val tree_s, tree_iter_s, tree_fun_whitelist_s;
extern struct cobj_class *tree_cls, *tree_iter_cls;

#define tree_fun_whitelist (deref(lookup_var_l(nil, tree_fun_whitelist_s)))

val tnode(val key, val left, val right);
val tnodep(val obj);
val left(val node);
val right(val node);
val key(val node);
val set_left(val node, val nleft);
val set_right(val node, val nright);
val set_key(val node, val nkey);
val copy_tnode(val node);
val tree(val keys, val key_fn, val less_fn, val equal_fn, val dup);
val copy_search_tree(val tree);
val make_similar_tree(val tree);
val treep(val obj);
val tree_count(val tree);
val tree_insert_node(val tree, val node, val dup);
val tree_insert(val tree, val key, val dup);
val tree_lookup_node(val tree, val key);
val tree_lookup(val tree, val key);
val tree_min_node(val tree);
val tree_min(val tree);
val tree_delete_node(val tree, val key);
val tree_delete(val tree, val key);
val tree_delete_specific_node(val tree, val node);
val tree_del_min_node(val tree);
val tree_del_min(val tree);
val tree_begin(val tree, val lowkey, val highkey);
val copy_tree_iter(val iter);
val replace_tree_iter(val diter, val siter);
val tree_reset(val iter, val tree, val lowkey, val highkey);
val tree_next(val iter);
val tree_peek(val iter);
val tree_clear(val tree);
val sub_tree(val tree, val from, val to);
void tree_init(void);