#pragma once
#include "Utility.hpp"
#include <map>
#include <optional>
#include <regex>
#include <string>
#include <unordered_map>
#include <vector>

const int MAX_ITER = 256;

struct LoopInfo
{
	int idx;
	int iter;
};

typedef unsigned int uint;
typedef std::unordered_map<std::string, LoopInfo> lp_track;
typedef std::unordered_map<std::string, int> locals;
typedef std::map<int, std::vector<std::string>> varmap;

struct FunctionInfo
{
	std::smatch match;

	uint addr = 0;
	std::string nm = "";
	std::string usg = "";
	varmap in{};
	int in_cnt = 0;
	varmap out{};
	int out_cnt = 0;
	std::vector<std::string> prs_msg;
	bool prs_vld = false;

	void chk_vld();
	void cln_varmap(bool prc_in);
	bool nil_in_varmap(bool prc_in) const;
	bool prc_varmap_rgx(bool prc_in, const std::string& ln_in, std::regex& rgx, locals& lcls);
	std::string str() const;
	std::string str_varmap(bool prc_in) const;
	
	FunctionInfo();
	FunctionInfo(std::vector<std::string> src);
};

std::optional<int> eval(std::string& infix, locals& lcls);