use crate::obj::prelude::*;
use shredder::Scan;
use std::fmt::{Debug, Formatter, self};

pub type IntRef = ObjRef<Int>;

#[derive(Scan)]
pub struct Int {
    value: i64,
    vtable: Vtable,
    attrs: Attrs,
}

impl Int {
    pub fn new_obj(value: i64) -> ObjRef<Self> {
        // TODO : vtable for Int
        let obj_ref = ObjRef::new(Self {
            value,
            vtable: Default::default(),
            attrs: Default::default(),
        });

        obj_ref
    }

    pub fn value(&self) -> i64 {
        self.value
    }
}

impl_obj_readonly!(Int);

impl Debug for Int {
    fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
        fmt.debug_struct("Int")
            .field("value", &self.value)
            .finish()
    }
}