use crate::{
    mem::{gc::Gc, ptr::DynRef, BasicGc},
    obj::Sym,
};
use std::collections::BTreeMap;

pub type DefaultGc = BasicGc;

pub struct ObjCtx<G = DefaultGc>
where
    G: Gc,
{
    gc: G,
    globals: BTreeMap<Sym, DynRef>,
}

impl<G> ObjCtx<G>
where
    G: Gc,
{
    pub fn new(gc: G) -> Self {
        ObjCtx { gc, globals: Default::default() }
    }

    pub fn gc(&self) -> &G {
        &self.gc
    }

    pub fn gc_mut(&mut self) -> &mut G {
        &mut self.gc
    }

    pub fn globals(&self) -> &BTreeMap<Sym, DynRef> {
        &self.globals
    }

    pub fn globals_mut(&mut self) -> &mut BTreeMap<Sym, DynRef> {
        &mut self.globals
    }
}