/* A splay-tree datatype.
- Copyright 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2002, 2005, 2007, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Mark Mitchell (mark@markmitchell.com).
-This file is part of GCC.
+ This file is part of GCC.
-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.
+ 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.
-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.
+ 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 GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING. If not, write to
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+ Boston, MA 02110-1301, USA. */
/* For an easily readable description of splay-trees, see:
#include "ansidecl.h"
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
#ifndef GTY
#define GTY(X)
#endif
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;
+typedef uintptr_t splay_tree_key;
+typedef uintptr_t splay_tree_value;
/* Forward declaration for a node in the tree. */
typedef struct splay_tree_node_s *splay_tree_node;
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 PTR (*splay_tree_allocate_fn) (int, void *);
+typedef void *(*splay_tree_allocate_fn) (int, void *);
/* The type of a function used to free memory allocated using the
corresponding splay_tree_allocate_fn. The first argument is the
typedef void (*splay_tree_deallocate_fn) (void *, void *);
/* The nodes in the splay tree. */
-struct splay_tree_node_s GTY(())
-{
+struct GTY(()) splay_tree_node_s {
/* The key. */
splay_tree_key GTY ((use_param1)) key;
};
/* The splay tree itself. */
-struct splay_tree_s GTY(())
-{
+struct GTY(()) splay_tree_s {
/* The root of the tree. */
splay_tree_node GTY ((use_params)) root;
/* 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. */
+ /* Node allocate function. Takes allocate_data as a parameter. */
splay_tree_allocate_fn allocate;
+
+ /* Free function for nodes and trees. Takes allocate_data as a parameter. */
splay_tree_deallocate_fn deallocate;
- PTR GTY((skip)) allocate_data;
+ /* Parameter for allocate/free functions. */
+ void * GTY((skip)) allocate_data;
};
+
typedef struct splay_tree_s *splay_tree;
-extern splay_tree splay_tree_new (splay_tree_compare_fn,
- splay_tree_delete_key_fn,
- splay_tree_delete_value_fn);
+extern splay_tree splay_tree_new (splay_tree_compare_fn,
+ splay_tree_delete_key_fn,
+ splay_tree_delete_value_fn);
extern splay_tree splay_tree_new_with_allocator (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 (splay_tree);
+ splay_tree_delete_key_fn,
+ splay_tree_delete_value_fn,
+ splay_tree_allocate_fn,
+ splay_tree_deallocate_fn,
+ void *);
+extern splay_tree splay_tree_new_typed_alloc (splay_tree_compare_fn,
+ splay_tree_delete_key_fn,
+ splay_tree_delete_value_fn,
+ splay_tree_allocate_fn,
+ splay_tree_allocate_fn,
+ splay_tree_deallocate_fn,
+ void *);
+extern void splay_tree_delete (splay_tree);
extern splay_tree_node splay_tree_insert (splay_tree,
- splay_tree_key,
- splay_tree_value);
+ splay_tree_key,
+ splay_tree_value);
extern void splay_tree_remove (splay_tree, splay_tree_key);
extern splay_tree_node splay_tree_lookup (splay_tree, splay_tree_key);
extern splay_tree_node splay_tree_predecessor (splay_tree, splay_tree_key);
extern int splay_tree_foreach (splay_tree, splay_tree_foreach_fn, void*);
extern int splay_tree_compare_ints (splay_tree_key, splay_tree_key);
extern int splay_tree_compare_pointers (splay_tree_key, splay_tree_key);
-
+
#ifdef __cplusplus
}
#endif /* __cplusplus */