Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
Contributed by Mark Mitchell (mark@markmitchell.com).
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify it
+GCC 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
+GCC 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
+along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* The type of a function used to iterate over the tree. */
typedef int (*splay_tree_foreach_fn) PARAMS((splay_tree_node, void*));
+/* The type of a function used to allocate memory for tree root and
+ node structures. The first argument is the number of bytes needed;
+ the second is a data pointer the splay tree functions pass through
+ to the allocator. This function must never return zero. */
+typedef void *(*splay_tree_allocate_fn) PARAMS((int, void *));
+
+/* The type of a function used to free memory allocated using the
+ corresponding splay_tree_allocate_fn. The first argument is the
+ memory to be freed; the latter is a data pointer the splay tree
+ functions pass through to the freer. */
+typedef void (*splay_tree_deallocate_fn) PARAMS((void *, void *));
+
/* The nodes in the splay tree. */
struct splay_tree_node_s
{
/* The deallocate-value function. NULL if no cleanup is necessary. */
splay_tree_delete_value_fn delete_value;
+
+ /* Allocate/free functions, and a data pointer to pass to them. */
+ splay_tree_allocate_fn allocate;
+ splay_tree_deallocate_fn deallocate;
+ void *allocate_data;
+
} *splay_tree;
extern splay_tree splay_tree_new PARAMS((splay_tree_compare_fn,
splay_tree_delete_key_fn,
splay_tree_delete_value_fn));
+extern splay_tree splay_tree_new_with_allocator
+ PARAMS((splay_tree_compare_fn,
+ splay_tree_delete_key_fn,
+ splay_tree_delete_value_fn,
+ splay_tree_allocate_fn,
+ splay_tree_deallocate_fn,
+ void *));
extern void splay_tree_delete PARAMS((splay_tree));
extern splay_tree_node splay_tree_insert
PARAMS((splay_tree,
extern splay_tree_node splay_tree_successor
PARAMS((splay_tree,
splay_tree_key));
+extern splay_tree_node splay_tree_max
+ PARAMS((splay_tree));
+extern splay_tree_node splay_tree_min
+ PARAMS((splay_tree));
extern int splay_tree_foreach PARAMS((splay_tree,
splay_tree_foreach_fn,
void*));