use std::process;

use crate::parser::{self, Parser};

pub fn repl() {
    // Read-Eval-Print Loop
    use std::io::{self, Write};

    println!("Welcome to the Riv Lang REPL! Type 'exit' to quit.");

    loop {
        print!("> ");
        io::stdout().flush().unwrap();

        let mut input = String::new();
        io::stdin().read_line(&mut input).unwrap();

        let input = input.trim().to_string();

        if input == "exit" {
            process::exit(0);
        }

        let program = Parser::new(input).produce_ast();

        println!("{:#?}", program);
    }
}