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Implement type spec of projection and enum types

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This commit is contained in:
Shunsuke Shibayama 2022-10-22 14:01:48 +09:00
parent 4eae5788ca
commit 47bedf67d8
14 changed files with 282 additions and 128 deletions
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20
compiler/erg_compiler/context/eval.rs
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@ -224,10 +224,13 @@ impl<'c> SubstContext<'c> {
Type::FreeVar(fv) => {
if let Some(name) = fv.unbound_name() {
if let Some(tp) = self.params.get(&name) {
if let TyParam::Type(t) = tp {
self.ctx.sub_unify(param_t, t, Location::Unknown, None)?;
} else {
panic!()
match Type::try_from(tp.clone()) {
Ok(t) => {
self.ctx.sub_unify(param_t, &t, Location::Unknown, None)?;
}
Err(_) => {
todo!("")
}
}
}
}
@ -1254,6 +1257,13 @@ impl Context {
/// NOTE: lとrが型の場合はContextの方で判定する
pub(crate) fn shallow_eq_tp(&self, lhs: &TyParam, rhs: &TyParam) -> bool {
match (lhs, rhs) {
(TyParam::Type(l), _) if l.is_unbound_var() => {
self.subtype_of(&self.get_tp_t(rhs).unwrap(), &Type::Type)
}
(_, TyParam::Type(r)) if r.is_unbound_var() => {
let lhs = self.get_tp_t(lhs).unwrap();
self.subtype_of(&lhs, &Type::Type)
}
(TyParam::Type(l), TyParam::Type(r)) => l == r,
(TyParam::Value(l), TyParam::Value(r)) => l == r,
(TyParam::Erased(l), TyParam::Erased(r)) => l == r,
@ -1287,7 +1297,7 @@ impl Context {
(TyParam::Erased(t), _) => t.as_ref() == &self.get_tp_t(rhs).unwrap(),
(_, TyParam::Erased(t)) => t.as_ref() == &self.get_tp_t(lhs).unwrap(),
(TyParam::MonoQVar(_), _) | (_, TyParam::MonoQVar(_)) => false,
(l, r) => todo!("l: {l}, r: {r}"),
(l, r) => todo!("l: {l:?}, r: {r:?}"),
}
}
}