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8960e1bc83
"compiler.h" already includes a bunch of common include files. There is absolutely no reason to duplicate them in individual files, and in fact it robs us of central control of how these files are used. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2018 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* hashtbl.h
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*
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* Efficient dictionary hash table class.
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*/
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#ifndef NASM_HASHTBL_H
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#define NASM_HASHTBL_H
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#include "nasmlib.h"
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struct hash_node {
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uint64_t hash;
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const void *key;
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size_t keylen;
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void *data;
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};
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struct hash_table {
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struct hash_node *table;
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size_t load;
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size_t size;
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size_t max_load;
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};
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struct hash_insert {
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struct hash_table *head;
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struct hash_node *where;
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struct hash_node node;
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};
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struct hash_iterator {
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const struct hash_table *head;
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const struct hash_node *next;
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};
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uint64_t crc64(uint64_t crc, const char *string);
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uint64_t crc64i(uint64_t crc, const char *string);
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uint64_t crc64b(uint64_t crc, const void *data, size_t len);
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uint64_t crc64ib(uint64_t crc, const void *data, size_t len);
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#define CRC64_INIT UINT64_C(0xffffffffffffffff)
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void **hash_find(struct hash_table *head, const char *string,
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struct hash_insert *insert);
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void **hash_findb(struct hash_table *head, const void *key, size_t keylen,
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struct hash_insert *insert);
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void **hash_findi(struct hash_table *head, const char *string,
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struct hash_insert *insert);
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void **hash_findib(struct hash_table *head, const void *key, size_t keylen,
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struct hash_insert *insert);
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void **hash_add(struct hash_insert *insert, const void *key, void *data);
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static inline void hash_iterator_init(const struct hash_table *head,
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struct hash_iterator *iterator)
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{
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iterator->head = head;
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iterator->next = head->table;
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}
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const struct hash_node *hash_iterate(struct hash_iterator *iterator);
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#define hash_for_each(_head,_it,_np) \
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for (hash_iterator_init((_head), &(_it)), (_np) = hash_iterate(&(_it)) ; \
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(_np) ; (_np) = hash_iterate(&(_it)))
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void hash_free(struct hash_table *head);
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void hash_free_all(struct hash_table *head, bool free_keys);
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#endif /* NASM_HASHTBL_H */
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