#ifndef PARSER_H_
#define PARSER_H_

#include <stdio.h>
#include <stdbool.h>
#include "script/expr.h"
#include "script/tokenizer.h"

struct ParseError
{

    size_t error_cursor;
};

struct ParseResult
{
    bool is_error;
    const char *end;
    union {
        struct Expr expr;
        const char *error_message;
    };
};

struct ParseResult parse_success(struct Expr expr,
                                 const char *end);
struct ParseResult parse_failure(const char *error,
                                 const char *end);

struct ParseResult parse_expr(struct Token token);

void print_parse_error(FILE *stream,
                       const char *str,
                       struct ParseResult result);

#endif  // PARSER_H_