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Fixed a hang when the cleanup code for an extension is too slow

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Lawrence Bethlenfalvy
2026-01-20 15:24:34 +01:00
parent cb111a8d7b
commit 237b40ed2e
6 changed files with 274 additions and 270 deletions
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25
orchid-host/src/expr.rs
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@@ -103,18 +103,24 @@ impl Expr {
}
impl Format for Expr {
async fn print<'a>(&'a self, c: &'a (impl FmtCtx + ?Sized + 'a)) -> FmtUnit {
return print_expr(self, c, Substack::Bottom).await;
return print_expr(self, c, Substack::Bottom, &[]).await;
}
}
async fn print_expr<'a>(
pub async fn print_expr<'a>(
expr: &'a Expr,
c: &'a (impl FmtCtx + ?Sized + 'a),
visited: Substack<'_, api::ExprTicket>,
id_only: &[api::ExprTicket],
) -> FmtUnit {
if visited.iter().any(|id| id == &expr.id()) {
return "CYCLIC_EXPR".to_string().into();
}
print_exprkind(&*expr.kind().read().await, c, visited.push(expr.id())).boxed_local().await
if id_only.iter().any(|id| id == &expr.id()) {
return format!("{:?}", expr.id()).into();
}
print_exprkind(&*expr.kind().read().await, c, visited.push(expr.id()), id_only)
.boxed_local()
.await
}
#[derive(Clone, Debug)]
@@ -138,13 +144,14 @@ impl ExprKind {
}
impl Format for ExprKind {
async fn print<'a>(&'a self, c: &'a (impl FmtCtx + ?Sized + 'a)) -> FmtUnit {
print_exprkind(self, c, Substack::Bottom).await
print_exprkind(self, c, Substack::Bottom, &[]).await
}
}
async fn print_exprkind<'a>(
ek: &ExprKind,
c: &'a (impl FmtCtx + ?Sized + 'a),
visited: Substack<'_, api::ExprTicket>,
id_only: &[api::ExprTicket],
) -> FmtUnit {
match &ek {
ExprKind::Arg => "Arg".to_string().into(),
@@ -156,10 +163,10 @@ async fn print_exprkind<'a>(
ExprKind::Call(f, x) => tl_cache!(Rc<Variants>: Rc::new(Variants::default()
.unbounded("{0b} {1l}")
.bounded("({0b} {1})")))
.units([print_expr(f, c, visited).await, print_expr(x, c, visited).await]),
.units([print_expr(f, c, visited, id_only).await, print_expr(x, c, visited, id_only).await]),
ExprKind::Identity(id) =>
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("{{{0}}}"))).units([print_expr(
id, c, visited,
id, c, visited, id_only,
)
.boxed_local()
.await]),
@@ -167,14 +174,14 @@ async fn print_exprkind<'a>(
ExprKind::Lambda(None, body) => tl_cache!(Rc<Variants>: Rc::new(Variants::default()
// .unbounded("\\.{0l}")
.bounded("(\\.{0b})")))
.units([print_expr(body, c, visited).await]),
.units([print_expr(body, c, visited, id_only).await]),
ExprKind::Lambda(Some(path), body) => tl_cache!(Rc<Variants>: Rc::new(Variants::default()
// .unbounded("\\{0b}. {1l}")
.bounded("(\\{0b}. {1b})")))
.units([format!("{path}").into(), print_expr(body, c, visited).await]),
.units([format!("{path}").into(), print_expr(body, c, visited, id_only).await]),
ExprKind::Seq(l, r) =>
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("[{0b}]{1l}")))
.units([print_expr(l, c, visited).await, print_expr(r, c, visited).await]),
.units([print_expr(l, c, visited, id_only).await, print_expr(r, c, visited, id_only).await]),
}
}