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This was achieved by partially undoing changelist 24817, including an accidental corruption of eventgen.pl. Copied from Perforce Change: 24877 ServerID: perforce.ravenbrook.com
85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/* impl.h.splay: SPLAY TREE HEADER
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*
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* $Id$
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* $HopeName: MMsrc!splay.h(trunk.3) $
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* Copyright (c) 2001 Ravenbrook Limited.
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*
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* .source: design.mps.splay
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*/
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#ifndef splay_h
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#define splay_h
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#include "mpmtypes.h" /* for Res, etc. */
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typedef struct SplayTreeStruct *SplayTree;
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typedef struct SplayNodeStruct *SplayNode;
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typedef unsigned Compare;
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typedef Compare (*SplayCompareMethod)(void *key, SplayNode node);
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typedef Bool (*SplayTestNodeMethod)(SplayTree tree, SplayNode node,
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void *closureP, unsigned long closureS);
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typedef Bool (*SplayTestTreeMethod)(SplayTree tree, SplayNode node,
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void *closureP, unsigned long closureS);
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typedef void (*SplayUpdateNodeMethod)(SplayTree tree, SplayNode node,
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SplayNode leftChild,
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SplayNode rightChild);
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typedef Res (*SplayNodeDescribeMethod)(SplayNode node, mps_lib_FILE *stream);
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enum {
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CompareLESS = 1,
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CompareEQUAL,
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CompareGREATER
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};
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typedef struct SplayTreeStruct {
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SplayCompareMethod compare;
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SplayUpdateNodeMethod updateNode;
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SplayNode root;
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} SplayTreeStruct;
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typedef struct SplayNodeStruct {
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SplayNode left;
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SplayNode right;
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} SplayNodeStruct;
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extern Bool SplayTreeCheck(SplayTree tree);
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extern Bool SplayNodeCheck(SplayNode node);
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extern void SplayTreeInit(SplayTree tree, SplayCompareMethod compare,
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SplayUpdateNodeMethod updateNode);
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extern void SplayNodeInit(SplayNode node);
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extern void SplayNodeFinish(SplayNode node);
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extern void SplayTreeFinish(SplayTree tree);
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extern Res SplayTreeInsert(SplayTree tree, SplayNode node, void *key);
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extern Res SplayTreeDelete(SplayTree tree, SplayNode node, void *key);
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extern Res SplayTreeSearch(SplayNode *nodeReturn,
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SplayTree tree, void *key );
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extern Res SplayTreeNeighbours(SplayNode *leftReturn,
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SplayNode *rightReturn,
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SplayTree tree, void *key);
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extern SplayNode SplayTreeFirst(SplayTree tree, void *zeroKey);
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extern SplayNode SplayTreeNext(SplayTree tree, SplayNode oldNode,
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void *oldKey);
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extern Bool SplayFindFirst(SplayNode *nodeReturn, SplayTree tree,
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SplayTestNodeMethod testNode,
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SplayTestTreeMethod testTree,
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void *closureP, unsigned long closureS);
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extern Bool SplayFindLast(SplayNode *nodeReturn, SplayTree tree,
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SplayTestNodeMethod testNode,
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SplayTestTreeMethod testTree,
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void *closureP, unsigned long closureS);
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extern void SplayNodeRefresh(SplayTree tree, SplayNode node, void *key);
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extern Res SplayTreeDescribe(SplayTree tree, mps_lib_FILE *stream,
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SplayNodeDescribeMethod nodeDescribe);
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extern Bool SplayRoot(SplayNode *nodeReturn, SplayTree tree);
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#endif /* splay_h */
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