#pragma once
#include <stdint.h>

#include "vector.h"

#define REF_NATIVE      (1 << 0)
struct vm_ref_entry {
    size_t unit_index;
    int flags;
    union {
        size_t ref_index;
        uintptr_t ref_native;
    };
};

struct vm_func_entry {
    size_t argc, local_count;
    uint32_t *bytecode;
};

struct vm_unit {
    struct vector ref_table;
    struct vector functions;
    struct vector strtab;

    uint64_t *global_pool;
    size_t global_pool_size;

    int is_loaded;
};

char **unit_add_string(struct vm_unit *u);
struct vm_func_entry *unit_add_function(struct vm_unit *u);
struct vm_ref_entry *unit_add_ref(struct vm_unit *u);
void unit_free(struct vm_unit *u);