10159: Add panic info for `impl_trait`/`trait_data` r=jonas-schievink a=jonas-schievink

To debug https://github.com/rust-analyzer/rust-analyzer/issues/10084 further

bors r+

Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
This commit is contained in:
bors[bot] 2021-09-05 17:20:54 +00:00 committed by GitHub
commit 4235a4a131
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2 changed files with 12 additions and 0 deletions

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@ -154,6 +154,10 @@ impl TraitData {
let tr_loc = tr.lookup(db);
let item_tree = tr_loc.id.item_tree(db);
let tr_def = &item_tree[tr_loc.id.value];
let _cx = stdx::panic_context::enter(format!(
"trait_data_query({:?} -> {:?} -> {:?})",
tr, tr_loc, tr_def
));
let name = tr_def.name.clone();
let is_auto = tr_def.is_auto;
let is_unsafe = tr_def.is_unsafe;
@ -341,6 +345,10 @@ fn collect_items(
let ast_id_map = db.ast_id_map(tree_id.file_id());
let root = db.parse_or_expand(tree_id.file_id()).unwrap();
let call = ast_id_map.get(call.ast_id).to_node(&root);
let _cx = stdx::panic_context::enter(format!(
"collect_items MacroCall: {}\nexpander={:#?}",
call, expander
));
let res = expander.enter_expand(db, call);
if let Ok(res) = res {

View file

@ -1450,6 +1450,10 @@ pub(crate) fn impl_self_ty_recover(
pub(crate) fn impl_trait_query(db: &dyn HirDatabase, impl_id: ImplId) -> Option<Binders<TraitRef>> {
let impl_data = db.impl_data(impl_id);
let resolver = impl_id.resolver(db.upcast());
let _cx = stdx::panic_context::enter(format!(
"impl_trait_query({:?} -> {:?}) resolver={:#?}",
impl_id, impl_data, resolver
));
let ctx =
TyLoweringContext::new(db, &resolver).with_type_param_mode(TypeParamLoweringMode::Variable);
let (self_ty, binders) = db.impl_self_ty(impl_id).into_value_and_skipped_binders();