mod error;
mod parser;

use std::rc::Rc;

use crate::span::Spanned;
pub use error::Error;
pub use parser::Parser;

#[cfg(test)]
mod tests;

#[derive(Clone, Debug, PartialEq)]
pub enum Atom {
    Float(f64),
    Integer(i64),
    String(Rc<str>),
    Symbol(Rc<str>),
    Bool(bool),
    Nil,
}

#[derive(Clone, Debug, PartialEq)]
pub enum Expr {
    Atom(Atom),
    List(Vec<Spanned<Expr>>),
}

#[derive(Clone, Debug, PartialEq)]
pub struct Program(Vec<Spanned<Expr>>);

impl Program {
    pub fn inner(&self) -> &[Spanned<Expr>] {
        &self.0
    }

    pub fn into_inner(self) -> Vec<Spanned<Expr>> {
        self.0
    }
}