#ifndef PARSER_H
#define PARSER_H

#include "libft.h"
#include "lexer.h"
#include "errors.h"
#include <stdbool.h>

typedef enum
{
    TERM_LEFT,  // a in "a = b"
    TERM_RIGHT, // b in "a = b"
} term_position;

typedef enum
{
    TERM_PLUS,  // +
    TERM_MINUS, // -
} term_sign;

typedef enum
{
    TYPE_INT,    // "123"
    TYPE_DOUBLE, // "123.456"
} coefficient_type;

typedef struct
{
    term_position position;
    term_sign sign;
    coefficient_type coefficient_type;
    union
    {
        int coefficient_int;
        double coefficient_double;
    };
    int exponent;
} term;

int parse(token *tokens, term *terms);

#endif