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Add Show trait

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This commit is contained in:
Shunsuke Shibayama 2022-10-03 01:02:49 +09:00
parent 4f6fbb50d0
commit e55ab8c027
4 changed files with 32 additions and 20 deletions
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29
compiler/erg_compiler/context/inquire.rs
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@ -1242,13 +1242,21 @@ impl Context {
}))
}
/*pub(crate) fn get_nominal_super_type_ctxs<'a>(
pub(crate) fn get_nominal_super_type_ctxs<'a>(
&'a self,
t: &Type,
) -> Option<Vec<(&'a Type, &'a Context)>> {
match t {
Type::FreeVar(fv) if fv.is_linked() => self.get_nominal_super_type_ctxs(&fv.crack()),
Type::FreeVar(fv) => {
let sup = fv.get_sup().unwrap();
self.get_nominal_super_type_ctxs(&sup)
}
Type::And(l, r) => {
match (self.get_nominal_super_type_ctxs(l), self.get_nominal_super_type_ctxs(r)) {
match (
self.get_nominal_super_type_ctxs(l),
self.get_nominal_super_type_ctxs(r),
) {
// TODO: sort
(Some(l), Some(r)) => Some([l, r].concat()),
(Some(l), None) => Some(l),
@ -1258,7 +1266,9 @@ impl Context {
}
// TODO
Type::Or(_l, _r) => None,
_ => self.get_simple_nominal_super_type_ctxs(t).map(|ctxs| ctxs.collect()),
_ => self
.get_simple_nominal_super_type_ctxs(t)
.map(|ctxs| ctxs.collect()),
}
}
@ -1273,19 +1283,6 @@ impl Context {
.chain(ctx.super_traits.iter())
.map(|sup| self.get_nominal_type_ctx(sup).unwrap());
Some(vec![(t, ctx)].into_iter().chain(sups))
}*/
pub(crate) fn get_nominal_super_type_ctxs<'a>(
&'a self,
t: &Type,
) -> Option<impl Iterator<Item = (&'a Type, &'a Context)>> {
let (t, ctx) = self.get_nominal_type_ctx(t)?;
let sups = ctx
.super_classes
.iter()
.chain(ctx.super_traits.iter())
.map(|sup| self.get_nominal_type_ctx(sup).unwrap());
Some(vec![(t, ctx)].into_iter().chain(sups))
}
// TODO: Never