1 /* toolbox/tree.h - binary tree management
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Reinhard Grafl
29 $Id: tree.h 1735 2004-12-07 14:33:27Z twisti $
37 typedef int (*treeelementcomperator) (void *key, void * element);
40 typedef struct treenode {
41 struct treenode *left,*right;
42 struct treenode *parent;
49 treeelementcomperator comperator;
56 /* function prototypes */
58 tree *tree_new(treeelementcomperator comperator);
59 tree *tree_dnew(treeelementcomperator comperator);
60 void tree_free(tree *t);
62 void tree_add(tree *t, void *element, void *key);
63 void *tree_find(tree *t, void *key);
65 void *tree_this(tree *t);
66 void *tree_first(tree *t);
67 void *tree_next(tree *t);
73 * These are local overrides for various environment variables in Emacs.
74 * Please do not remove this and leave it at the end of the file, where
75 * Emacs will automagically detect them.
76 * ---------------------------------------------------------------------