#ifndef LEX_H
#define LEX_H

#include <stdbool.h>
#include <stdint.h>

#define KEYWORD_COUNT 23

enum token_type {
    TOK_COMM = 0,
    TOK_ASSOCL = 1,
    TOK_ASSOCR = 2,
    TOK_DISTL = 3,
    TOK_DISTR = 4,
    TOK_FACTL = 5,
    TOK_FACTR = 6,
    TOK_MAPL = 7,
    TOK_MAPR = 8,
    TOK_UNITIL = 9,
    TOK_UNITIR = 10,
    TOK_UNITEL = 11,
    TOK_UNITER = 12,
    TOK_COMM_PLUS = 13,
    TOK_ASSOCL_PLUS = 14,
    TOK_ASSOCR_PLUS = 15,
    TOK_MAPL_PLUS = 16,
    TOK_MAPR_PLUS = 17,
    TOK_INL = 18,
    TOK_INR = 19,
    TOK_OUT = 20,
    TOK_HALT = 21,
    TOK_IF = 22,
    TOK_LABEL,
    TOK_JUMP,
    TOK_MAP_BEGIN,
    TOK_MAP_END,
    TOK_EOF,         // end of file
};

struct token {
    enum token_type type;
    char* identifier;
};

struct token next(void);
struct token peek(void);

void print_token(struct token tok);

#endif