collections.h
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collections.h
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	#ifndef COLLECTIONS_H
	#define COLLECTIONS_H

	#include <uthash.h>
	#include "types.h"
	#include "modules/symbol.h"

	typedef struct map_entry {
	unsigned char *key;
	size_t key_len;
	ant_value_t key_val;
	ant_value_t value;
	UT_hash_handle hh;
	} map_entry_t;

	typedef struct set_entry {
	ant_value_t value;
	unsigned char *key;
	size_t key_len;
	UT_hash_handle hh;
	} set_entry_t;

	typedef struct weakmap_entry {
	ant_value_t key_obj;
	ant_value_t value;
	UT_hash_handle hh;
	} weakmap_entry_t;

	typedef struct weakset_entry {
	ant_value_t value_obj;
	UT_hash_handle hh;
	} weakset_entry_t;

	typedef enum {
	ITER_TYPE_MAP_VALUES,
	ITER_TYPE_MAP_KEYS,
	ITER_TYPE_MAP_ENTRIES,
	ITER_TYPE_SET_VALUES,
	ITER_TYPE_SET_ENTRIES
	} iter_type_t;

	typedef struct map_iterator_state {
	map_entry_t **head;
	map_entry_t *current;
	iter_type_t type;
	} map_iterator_state_t;

	typedef struct set_iterator_state {
	set_entry_t **head;
	set_entry_t *current;
	iter_type_t type;
	} set_iterator_state_t;

	void init_collections_module(void);

	map_entry_t **get_map_from_obj(ant_value_t obj);
	set_entry_t **get_set_from_obj(ant_value_t obj);

	extern ant_value_t g_map_iter_proto;
	extern ant_value_t g_set_iter_proto;

	bool advance_map(ant_t js, struct js_iter_t it, ant_value_t *out);
	bool advance_set(ant_t js, struct js_iter_t it, ant_value_t *out);

	#endif