/* rangetree.c -- binary trees of address ranges
*
* $Id: //info.ravenbrook.com/project/mps/master/code/rangetree.h#7 $
* Copyright (C) 2016-2020 Ravenbrook Limited. See end of file for license.
*/
#ifndef rangetree_h
#define rangetree_h
#include "mpmtypes.h"
#include "range.h"
#include "tree.h"
#define RangeTreeTree(rangeTree) (&(rangeTree)->treeStruct)
#define RangeTreeRange(rangeTree) (&(rangeTree)->rangeStruct)
#define RangeTreeOfTree(tree) PARENT(RangeTreeStruct, treeStruct, tree)
#define RangeTreeOfRange(range) PARENT(RangeTreeStruct, rangeStruct, range)
#define RangeTreeBase(block) RangeBase(RangeTreeRange(block))
#define RangeTreeLimit(block) RangeLimit(RangeTreeRange(block))
#define RangeTreeSetBase(block, addr) RangeSetBase(RangeTreeRange(block), addr)
#define RangeTreeSetLimit(block, addr) RangeSetLimit(RangeTreeRange(block), addr)
#define RangeTreeSize(block) RangeSize(RangeTreeRange(block))
extern void RangeTreeInit(RangeTree rangeTree, Range range);
extern Bool RangeTreeCheck(RangeTree rangeTree);
extern void RangeTreeFinish(RangeTree rangeTree);
/* Compare and key functions for use with TreeFind, TreeInsert, etc.
*
* We pass the rangeTree base directly as a TreeKey (void *) assuming
* that Addr can be encoded, possibly breaking <design/type#.addr.use>.
* On an exotic platform where this isn't true, pass the address of
* base: that is, add an &.
*/
#define RangeTreeKeyOfBaseVar(baseVar) ((TreeKey)(baseVar))
#define RangeTreeBaseOfKey(key) ((Addr)(key))
extern Compare RangeTreeCompare(Tree tree, TreeKey key);
extern TreeKey RangeTreeKey(Tree tree);
/* RangeTreeStruct -- address range in a tree */
typedef struct RangeTreeStruct {
TreeStruct treeStruct;
RangeStruct rangeStruct;
} RangeTreeStruct;
#endif /* rangetree_h */
/* C. COPYRIGHT AND LICENSE
*
* Copyright (C) 2016-2020 Ravenbrook Limited <https://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.
*/