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py/map: Allow to trace rehashing operations.

This commit is contained in:
Paul Sokolovsky 2017-12-09 17:30:55 +02:00
parent 2b00181592
commit a35d923cdf
1 changed files with 8 additions and 0 deletions
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8
py/map.c
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@ -33,6 +33,13 @@
#include "py/misc.h"
#include "py/runtime.h"
#if MICROPY_DEBUG_VERBOSE // print debugging info
#define DEBUG_PRINT (1)
#else // don't print debugging info
#define DEBUG_PRINT (0)
#define DEBUG_printf(...) (void)0
#endif
// Fixed empty map. Useful when need to call kw-receiving functions
// without any keywords from C, etc.
const mp_map_t mp_const_empty_map = {
@ -114,6 +121,7 @@ void mp_map_clear(mp_map_t *map) {
STATIC void mp_map_rehash(mp_map_t *map) {
size_t old_alloc = map->alloc;
size_t new_alloc = get_hash_alloc_greater_or_equal_to(map->alloc + 1);
DEBUG_printf("mp_map_rehash(%p): " UINT_FMT " -> " UINT_FMT "\n", map, old_alloc, new_alloc);
mp_map_elem_t *old_table = map->table;
mp_map_elem_t *new_table = m_new0(mp_map_elem_t, new_alloc);
// If we reach this point, table resizing succeeded, now we can edit the old map.