#ifndef RZ_VM_H
#define RZ_VM_H

#include "commons.h"
#include "opcodes.h"
#include "mod.h"
#include "err.h"
#include "tysy.h"

typedef struct {
  tysy_t* tysy;
  param_t stack[RZ_STACK_LIMIT];
  size_t pc;
  size_t bp;
  size_t sp;

  err_t* err;
} vm_t;

void vm_init(vm_t* vm, tysy_t* tysy, err_t* err);
void vm_free(vm_t* vm);

void vm_push_value(vm_t* vm, mod_t* mod, value_t* value);
void vm_push(vm_t* vm, param_t param);
param_t vm_pop(vm_t* vm);

size_t vm_stack_str(vm_t* vm, char* buffer, size_t size);

int vm_exec_mod(vm_t* vm, mod_t* mod);
int vm_exec_instr(vm_t* vm, mod_t* mod, Opcode op, param_t param);

#endif