#ifndef IMB3_GC_H
#define IMB3_GC_H

#include "value.h"

void gc_init(void);
void gc_collect(void);

struct object;

struct object *gc_alloc(size_t value_slot_count, size_t untraced_slot_count);
struct object *gc_alloc_compiled_function(size_t value_slot_count,
                                          size_t untraced_slot_count);
struct object *gc_alloc_hashtable_eq(size_t value_slot_count,
                                     size_t untraced_slot_count);

struct value gc_read_value_slot(const struct object *, size_t);
uintptr_t gc_read_untraced_slot(const struct object *, size_t);
uint8_t gc_read_untraced_byte(const struct object *, size_t);
void gc_write_value_slot(struct object *, size_t, struct value);
void gc_write_untraced_slot(struct object *, size_t, uintptr_t);
void gc_write_untraced_byte(struct object *, size_t, uint8_t);

void gc_root_push(struct value *);
void gc_root_pop(void);

void gc_debug(void);

#endif // IMB3_GC_H