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843cd8a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | /*
* See _hashtable.c for more information about this file.
*/
#ifndef Py_HASHTABLE_H
#define Py_HASHTABLE_H
/* The whole API is private */
#ifndef Py_LIMITED_API
typedef struct _Py_slist_item_s {
struct _Py_slist_item_s *next;
} _Py_slist_item_t;
typedef struct {
_Py_slist_item_t *head;
} _Py_slist_t;
#define _Py_SLIST_ITEM_NEXT(ITEM) (((_Py_slist_item_t *)ITEM)->next)
#define _Py_SLIST_HEAD(SLIST) (((_Py_slist_t *)SLIST)->head)
typedef struct {
/* used by _Numba_hashtable_t.buckets to link entries */
_Py_slist_item_t _Py_slist_item;
const void *key;
Py_uhash_t key_hash;
/* data follows */
} _Numba_hashtable_entry_t;
#define _Numba_HASHTABLE_ENTRY_DATA(ENTRY) \
((char *)(ENTRY) + sizeof(_Numba_hashtable_entry_t))
#define _Numba_HASHTABLE_ENTRY_DATA_AS_VOID_P(ENTRY) \
(*(void **)_Numba_HASHTABLE_ENTRY_DATA(ENTRY))
#define _Numba_HASHTABLE_ENTRY_READ_DATA(TABLE, DATA, DATA_SIZE, ENTRY) \
do { \
assert((DATA_SIZE) == (TABLE)->data_size); \
memcpy(DATA, _Numba_HASHTABLE_ENTRY_DATA(ENTRY), DATA_SIZE); \
} while (0)
typedef Py_uhash_t (*_Numba_hashtable_hash_func) (const void *key);
typedef int (*_Numba_hashtable_compare_func) (const void *key, const _Numba_hashtable_entry_t *he);
typedef void* (*_Numba_hashtable_copy_data_func)(void *data);
typedef void (*_Numba_hashtable_free_data_func)(void *data);
typedef size_t (*_Numba_hashtable_get_data_size_func)(void *data);
typedef struct {
/* allocate a memory block */
void* (*malloc) (size_t size);
/* release a memory block */
void (*free) (void *ptr);
} _Numba_hashtable_allocator_t;
typedef struct {
size_t num_buckets;
size_t entries; /* Total number of entries in the table. */
_Py_slist_t *buckets;
size_t data_size;
_Numba_hashtable_hash_func hash_func;
_Numba_hashtable_compare_func compare_func;
_Numba_hashtable_copy_data_func copy_data_func;
_Numba_hashtable_free_data_func free_data_func;
_Numba_hashtable_get_data_size_func get_data_size_func;
_Numba_hashtable_allocator_t alloc;
} _Numba_hashtable_t;
/* hash and compare functions for integers and pointers */
extern "C" PyAPI_FUNC(Py_uhash_t) _Numba_hashtable_hash_ptr(const void *key);
extern "C" PyAPI_FUNC(Py_uhash_t) _Numba_hashtable_hash_int(const void *key);
extern "C" PyAPI_FUNC(int) _Numba_hashtable_compare_direct(const void *key, const _Numba_hashtable_entry_t *entry);
extern "C" PyAPI_FUNC(_Numba_hashtable_t *) _Numba_hashtable_new(
size_t data_size,
_Numba_hashtable_hash_func hash_func,
_Numba_hashtable_compare_func compare_func);
extern "C" PyAPI_FUNC(_Numba_hashtable_t *) _Numba_hashtable_new_full(
size_t data_size,
size_t init_size,
_Numba_hashtable_hash_func hash_func,
_Numba_hashtable_compare_func compare_func,
_Numba_hashtable_copy_data_func copy_data_func,
_Numba_hashtable_free_data_func free_data_func,
_Numba_hashtable_get_data_size_func get_data_size_func,
_Numba_hashtable_allocator_t *allocator);
extern "C" PyAPI_FUNC(_Numba_hashtable_t *) _Numba_hashtable_copy(_Numba_hashtable_t *src);
extern "C" PyAPI_FUNC(void) _Numba_hashtable_clear(_Numba_hashtable_t *ht);
extern "C" PyAPI_FUNC(void) _Numba_hashtable_destroy(_Numba_hashtable_t *ht);
typedef int (*_Numba_hashtable_foreach_func) (_Numba_hashtable_entry_t *entry, void *arg);
extern "C" PyAPI_FUNC(int) _Numba_hashtable_foreach(
_Numba_hashtable_t *ht,
_Numba_hashtable_foreach_func func, void *arg);
extern "C" PyAPI_FUNC(size_t) _Numba_hashtable_size(_Numba_hashtable_t *ht);
extern "C" PyAPI_FUNC(_Numba_hashtable_entry_t*) _Numba_hashtable_get_entry(
_Numba_hashtable_t *ht,
const void *key);
extern "C" PyAPI_FUNC(int) _Numba_hashtable_set(
_Numba_hashtable_t *ht,
const void *key,
void *data,
size_t data_size);
extern "C" PyAPI_FUNC(int) _Numba_hashtable_get(
_Numba_hashtable_t *ht,
const void *key,
void *data,
size_t data_size);
extern "C" PyAPI_FUNC(int) _Numba_hashtable_pop(
_Numba_hashtable_t *ht,
const void *key,
void *data,
size_t data_size);
extern "C" PyAPI_FUNC(void) _Numba_hashtable_delete(
_Numba_hashtable_t *ht,
const void *key);
#define _Numba_HASHTABLE_SET(TABLE, KEY, DATA) \
_Numba_hashtable_set(TABLE, KEY, &(DATA), sizeof(DATA))
#define _Numba_HASHTABLE_GET(TABLE, KEY, DATA) \
_Numba_hashtable_get(TABLE, KEY, &(DATA), sizeof(DATA))
#endif /* Py_LIMITED_API */
#endif
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