py/objdict: Add mp_const_empty_dict_obj, use it for mp_const_empty_map.
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11
py/map.c
11
py/map.c
@ -40,17 +40,6 @@
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#define DEBUG_printf(...) (void)0
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#endif
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// Fixed empty map. Useful when need to call kw-receiving functions
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// without any keywords from C, etc.
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const mp_map_t mp_const_empty_map = {
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.all_keys_are_qstrs = 0,
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.is_fixed = 1,
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.is_ordered = 1,
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.used = 0,
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.alloc = 0,
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.table = NULL,
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};
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// This table of sizes is used to control the growth of hash tables.
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// The first set of sizes are chosen so the allocation fits exactly in a
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// 4-word GC block, and it's not so important for these small values to be
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9
py/obj.h
9
py/obj.h
@ -422,8 +422,6 @@ typedef enum _mp_map_lookup_kind_t {
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MP_MAP_LOOKUP_ADD_IF_NOT_FOUND_OR_REMOVE_IF_FOUND = 3, // only valid for mp_set_lookup
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} mp_map_lookup_kind_t;
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extern const mp_map_t mp_const_empty_map;
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static inline bool mp_map_slot_is_filled(const mp_map_t *map, size_t pos) {
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assert(pos < map->alloc);
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return (map)->table[pos].key != MP_OBJ_NULL && (map)->table[pos].key != MP_OBJ_SENTINEL;
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@ -685,17 +683,22 @@ extern const struct _mp_obj_bool_t mp_const_false_obj;
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extern const struct _mp_obj_bool_t mp_const_true_obj;
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#endif
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// Constant objects, globally accessible: b'', (), Ellipsis, NotImplemented, GeneratorExit()
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// Constant objects, globally accessible: b'', (), {}, Ellipsis, NotImplemented, GeneratorExit()
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// The below macros are for convenience only.
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#define mp_const_empty_bytes (MP_OBJ_FROM_PTR(&mp_const_empty_bytes_obj))
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#define mp_const_empty_tuple (MP_OBJ_FROM_PTR(&mp_const_empty_tuple_obj))
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#define mp_const_notimplemented (MP_OBJ_FROM_PTR(&mp_const_notimplemented_obj))
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extern const struct _mp_obj_str_t mp_const_empty_bytes_obj;
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extern const struct _mp_obj_tuple_t mp_const_empty_tuple_obj;
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extern const struct _mp_obj_dict_t mp_const_empty_dict_obj;
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extern const struct _mp_obj_singleton_t mp_const_ellipsis_obj;
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extern const struct _mp_obj_singleton_t mp_const_notimplemented_obj;
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extern const struct _mp_obj_exception_t mp_const_GeneratorExit_obj;
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// Fixed empty map. Useful when calling keyword-receiving functions
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// without any keywords from C, etc.
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#define mp_const_empty_map (mp_const_empty_dict_obj.map)
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// General API for objects
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// These macros are derived from more primitive ones and are used to
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12
py/objdict.c
12
py/objdict.c
@ -33,6 +33,18 @@
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#include "py/objtype.h"
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#include "py/objstr.h"
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const mp_obj_dict_t mp_const_empty_dict_obj = {
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.base = { .type = &mp_type_dict },
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.map = {
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.all_keys_are_qstrs = 0,
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.is_fixed = 1,
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.is_ordered = 1,
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.used = 0,
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.alloc = 0,
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.table = NULL,
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}
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};
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STATIC mp_obj_t dict_update(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs);
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// This is a helper function to iterate through a dictionary. The state of
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