1
Fork 0
mirror of git://git.sv.gnu.org/emacs.git synced 2026-01-21 03:52:16 -08:00
emacs/mps/code/splay.h
Peter Jackson 1d00afac81 Publish licence updates in code directory.
Publish minor changes to readme and configure files in main directory.
Main directory and code directory licence texts are now fully updated.

Copied from Perforce
 Change: 196994
2020-06-11 17:05:40 +01:00

111 lines
4.2 KiB
C

/* splay.h: SPLAY TREE HEADER
*
* $Id$
* Copyright (c) 2001-2020 Ravenbrook Limited. See end of file for license.
*
* .source: <design/splay>
*/
#ifndef splay_h
#define splay_h
#include "mpmtypes.h" /* for Res, etc. */
#include "tree.h"
typedef struct SplayTreeStruct *SplayTree;
typedef Bool (*SplayTestNodeFunction)(SplayTree splay, Tree node,
void *closure);
typedef Bool (*SplayTestTreeFunction)(SplayTree splay, Tree node,
void *closure);
typedef void (*SplayUpdateNodeFunction)(SplayTree splay, Tree node);
extern void SplayTrivUpdate(SplayTree splay, Tree node);
#define SplayTreeSig ((Sig)0x5195B1A1) /* SIGnature SPLAY */
typedef struct SplayTreeStruct {
Sig sig;
TreeCompareFunction compare;
TreeKeyFunction nodeKey;
SplayUpdateNodeFunction updateNode;
Tree root;
} SplayTreeStruct;
#define SplayTreeRoot(splay) RVALUE((splay)->root)
#define SplayTreeIsEmpty(splay) (SplayTreeRoot(splay) == TreeEMPTY)
extern Bool SplayTreeCheck(SplayTree splay);
extern void SplayTreeInit(SplayTree splay,
TreeCompareFunction compare,
TreeKeyFunction nodeKey,
SplayUpdateNodeFunction updateNode);
extern void SplayTreeFinish(SplayTree splay);
extern Bool SplayTreeInsert(SplayTree splay, Tree node);
extern Bool SplayTreeDelete(SplayTree splay, Tree node);
extern Bool SplayTreeFind(Tree *nodeReturn, SplayTree splay, TreeKey key);
extern Bool SplayTreeNeighbours(Tree *leftReturn,
Tree *rightReturn,
SplayTree splay, TreeKey key);
extern Tree SplayTreeFirst(SplayTree splay);
extern Tree SplayTreeNext(SplayTree splay, TreeKey oldKey);
typedef Bool (*SplayFindFunction)(Tree *nodeReturn, SplayTree splay,
SplayTestNodeFunction testNode,
SplayTestTreeFunction testTree,
void *closure);
extern Bool SplayFindFirst(Tree *nodeReturn, SplayTree splay,
SplayTestNodeFunction testNode,
SplayTestTreeFunction testTree,
void *closure);
extern Bool SplayFindLast(Tree *nodeReturn, SplayTree splay,
SplayTestNodeFunction testNode,
SplayTestTreeFunction testTree,
void *closure);
extern void SplayNodeRefresh(SplayTree splay, Tree node);
extern void SplayNodeInit(SplayTree splay, Tree node);
extern Res SplayTreeDescribe(SplayTree splay, mps_lib_FILE *stream,
Count depth, TreeDescribeFunction nodeDescribe);
extern void SplayDebugUpdate(SplayTree splay, Tree tree);
extern Count SplayDebugCount(SplayTree splay);
#endif /* splay_h */
/* C. COPYRIGHT AND LICENSE
*
* Copyright (C) 2001-2020 Ravenbrook Limited <http://www.ravenbrook.com/>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/