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/*
 *  Copyright 2010-2012 Adrian Thurston <thurston@complang.org>
 */

#ifndef _MAP_H
#define _MAP_H

#if defined(__cplusplus)
extern "C" {
#endif

#include <colm/program.h>
#include <colm/struct.h>


void mapListAbandon( Map *map );

void mapListAddBefore( Map *map, MapEl *next_el, MapEl *new_el );
void mapListAddAfter( Map *map, MapEl *prev_el, MapEl *new_el );
MapEl *mapListDetach( Map *map, MapEl *el );
void mapAttachRebal( Map *map, MapEl *element, MapEl *parentEl, MapEl *lastLess );
void mapDeleteChildrenOf( Map *map, MapEl *element );
void mapEmpty( Map *map );
MapEl *mapRebalance( Map *map, MapEl *n );
void mapRecalcHeights( Map *map, MapEl *element );
MapEl *mapFindFirstUnbalGP( Map *map, MapEl *element );
MapEl *mapFindFirstUnbalEl( Map *map, MapEl *element );
void mapRemoveEl( Map *map, MapEl *element, MapEl *filler );
void mapReplaceEl( Map *map, MapEl *element, MapEl *replacement );
MapEl *mapInsertEl( Program *prg, Map *map, MapEl *element, MapEl **lastFound );
MapEl *mapInsertKey( Program *prg, Map *map, Tree *key, MapEl **lastFound );
MapEl *mapImplFind( Program *prg, Map *map, Tree *key );
MapEl *mapDetachByKey( Program *prg, Map *map, Tree *key );
MapEl *mapDetach( Program *prg, Map *map, MapEl *element );
MapEl *mapCopyBranch( Program *prg, Map *map, MapEl *el, Kid *oldNextDown, Kid **newNextDown );

long cmpTree( Program *prg, const Tree *tree1, const Tree *tree2 );

void mapImplRemoveEl( Program *prg, Map *map, MapEl *element );
int mapImplRemoveKey( Program *prg, Map *map, Tree *key );

Tree *mapFind( Program *prg, Map *map, Tree *key );
long mapLength( Map *map );
Tree *mapUnstore( Program *prg, Map *map, Tree *key, Tree *existing );
int mapInsert( Program *prg, Map *map, Tree *key, Tree *element );
void mapUnremove( Program *prg, Map *map, Tree *key, Tree *element );
Tree *mapUninsert( Program *prg, Map *map, Tree *key );
Tree *mapStore( Program *prg, Map *map, Tree *key, Tree *element );


#if defined(__cplusplus)
}
#endif

#endif