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Diffstat (limited to 'include/splay-tree.h')
| -rw-r--r-- | include/splay-tree.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/include/splay-tree.h b/include/splay-tree.h deleted file mode 100644 index 39882a4be..000000000 --- a/include/splay-tree.h +++ /dev/null @@ -1,119 +0,0 @@ -/* A splay-tree datatype. - Copyright (C) 1998 Free Software Foundation, Inc. - Contributed by Mark Mitchell (mark@markmitchell.com). - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC 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 -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* For an easily readable description of splay-trees, see: - - Lewis, Harry R. and Denenberg, Larry. Data Structures and Their - Algorithms. Harper-Collins, Inc. 1991. - - The major feature of splay trees is that all basic tree operations - are amortized O(log n) time for a tree with n nodes. */ - -#ifndef _SPLAY_TREE_H -#define _SPLAY_TREE_H - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -#include <ansidecl.h> - -/* Use typedefs for the key and data types to facilitate changing - these types, if necessary. These types should be sufficiently wide - that any pointer or scalar can be cast to these types, and then - cast back, without loss of precision. */ -typedef unsigned long int splay_tree_key; -typedef unsigned long int splay_tree_value; - -/* Forward declaration for a node in the tree. */ -typedef struct splay_tree_node_s *splay_tree_node; - -/* The type of a function which compares two splay-tree keys. The - function should return values as for qsort. */ -typedef int (*splay_tree_compare_fn) PARAMS((splay_tree_key, splay_tree_key)); - -/* The type of a function used to deallocate any resources associated - with the key. */ -typedef void (*splay_tree_delete_key_fn) PARAMS((splay_tree_key)); - -/* The type of a function used to deallocate any resources associated - with the value. */ -typedef void (*splay_tree_delete_value_fn) PARAMS((splay_tree_value)); - -/* The type of a function used to iterate over the tree. */ -typedef int (*splay_tree_foreach_fn) PARAMS((splay_tree_node, void*)); - -/* The nodes in the splay tree. */ -struct splay_tree_node_s -{ - /* The key. */ - splay_tree_key key; - - /* The value. */ - splay_tree_value value; - - /* The left and right children, respectively. */ - splay_tree_node left; - splay_tree_node right; -}; - -/* The splay tree itself. */ -typedef struct splay_tree_s -{ - /* The root of the tree. */ - splay_tree_node root; - - /* The comparision function. */ - splay_tree_compare_fn comp; - - /* The deallocate-key function. NULL if no cleanup is necessary. */ - splay_tree_delete_key_fn delete_key; - - /* The deallocate-value function. NULL if no cleanup is necessary. */ - splay_tree_delete_value_fn delete_value; -} *splay_tree; - -extern splay_tree splay_tree_new PARAMS((splay_tree_compare_fn, - splay_tree_delete_key_fn, - splay_tree_delete_value_fn)); -extern void splay_tree_delete PARAMS((splay_tree)); -extern splay_tree_node splay_tree_insert - PARAMS((splay_tree, - splay_tree_key, - splay_tree_value)); -extern void splay_tree_remove PARAMS((splay_tree, - splay_tree_key)); -extern splay_tree_node splay_tree_lookup - PARAMS((splay_tree, - splay_tree_key)); -extern int splay_tree_foreach PARAMS((splay_tree, - splay_tree_foreach_fn, - void*)); -extern int splay_tree_compare_ints PARAMS((splay_tree_key, - splay_tree_key)); -extern int splay_tree_compare_pointers PARAMS((splay_tree_key, - splay_tree_key)); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* _SPLAY_TREE_H */ |