X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fsplay-tree.h;h=86707fc1d2fff4a3927e39142dc0b7690c396b51;hb=59861b363a480a4e802ef0433bf31153b57a2e3a;hp=39882a4beac1d02d2e1aecfef02cf23c181f72eb;hpb=27e232885db363fb545fd2f450e72d929e59b8f6;p=deliverable%2Fbinutils-gdb.git

diff --git a/include/splay-tree.h b/include/splay-tree.h
index 39882a4bea..86707fc1d2 100644
--- a/include/splay-tree.h
+++ b/include/splay-tree.h
@@ -1,21 +1,21 @@
 /* A splay-tree datatype.  
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2002 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.  */
 
@@ -34,7 +34,11 @@ Boston, MA 02111-1307, USA.  */
 extern "C" {
 #endif /* __cplusplus */
 
-#include <ansidecl.h>
+#include "ansidecl.h"
+
+#ifndef GTY
+#define GTY(X)
+#endif
 
 /* Use typedefs for the key and data types to facilitate changing
    these types, if necessary.  These types should be sufficiently wide
@@ -61,25 +65,37 @@ 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 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 PTR (*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
+struct splay_tree_node_s GTY(())
 {
   /* The key.  */
-  splay_tree_key key;
+  splay_tree_key GTY ((use_param1 (""))) key;
 
   /* The value.  */
-  splay_tree_value value;
+  splay_tree_value GTY ((use_param2 (""))) value;
 
   /* The left and right children, respectively.  */
-  splay_tree_node left;
-  splay_tree_node right;
+  splay_tree_node GTY ((use_params (""))) left;
+  splay_tree_node GTY ((use_params (""))) right;
 };
 
 /* The splay tree itself.  */
-typedef struct splay_tree_s
+struct splay_tree_s GTY(())
 {
   /* The root of the tree.  */
-  splay_tree_node root;
+  splay_tree_node GTY ((use_params (""))) root;
 
   /* The comparision function.  */
   splay_tree_compare_fn comp;
@@ -89,11 +105,25 @@ typedef struct splay_tree_s
 
   /* The deallocate-value function.  NULL if no cleanup is necessary.  */
   splay_tree_delete_value_fn delete_value;
-} *splay_tree;
+
+  /* Allocate/free functions, and a data pointer to pass to them.  */
+  splay_tree_allocate_fn allocate;
+  splay_tree_deallocate_fn deallocate;
+  PTR GTY((skip (""))) allocate_data;
+
+};
+typedef struct splay_tree_s *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,
@@ -104,6 +134,16 @@ extern void splay_tree_remove		PARAMS((splay_tree,
 extern splay_tree_node splay_tree_lookup   
                                         PARAMS((splay_tree,
 					        splay_tree_key));
+extern splay_tree_node splay_tree_predecessor
+                                        PARAMS((splay_tree,
+						splay_tree_key));
+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*));