#pragma once

#include "token.hh"
#include <cstddef>
#include <vector>

struct Scanner {
  Scanner(const std::string &code) : code{code}, tokens{}, start{0}, current{0}, line{1} {};
  std::vector<Token> scan_tokens();
  bool is_at_end();
  void scan_token();
  char advance();
  void add_token(TokenType type);
  void add_token(TokenType type, Object literal);

  std::string code;
  std::vector<Token> tokens;
  std::size_t start, current, line;
};