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WfCheck opaques.

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This commit is contained in:
Camille GILLOT 2024-08-18 14:33:03 +00:00
parent d6f247f3d5
commit 68f7ed4495
3 changed files with 32 additions and 13 deletions
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30
compiler/rustc_hir_analysis/src/check/wfcheck.rs
View File

@ -185,15 +185,16 @@ where
} }
} }
fn check_well_formed(tcx: TyCtxt<'_>, def_id: hir::OwnerId) -> Result<(), ErrorGuaranteed> { fn check_well_formed(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Result<(), ErrorGuaranteed> {
let node = tcx.hir_owner_node(def_id); let node = tcx.hir_node_by_def_id(def_id);
let mut res = match node { let mut res = match node {
hir::OwnerNode::Crate(_) => bug!("check_well_formed cannot be applied to the crate root"), hir::Node::Crate(_) => bug!("check_well_formed cannot be applied to the crate root"),
hir::OwnerNode::Item(item) => check_item(tcx, item), hir::Node::Item(item) => check_item(tcx, item),
hir::OwnerNode::TraitItem(item) => check_trait_item(tcx, item), hir::Node::TraitItem(item) => check_trait_item(tcx, item),
hir::OwnerNode::ImplItem(item) => check_impl_item(tcx, item), hir::Node::ImplItem(item) => check_impl_item(tcx, item),
hir::OwnerNode::ForeignItem(item) => check_foreign_item(tcx, item), hir::Node::ForeignItem(item) => check_foreign_item(tcx, item),
hir::OwnerNode::Synthetic => unreachable!(), hir::Node::OpaqueTy(_) => Ok(crate::check::check::check_item_type(tcx, def_id)),
_ => unreachable!(),
}; };
if let Some(generics) = node.generics() { if let Some(generics) = node.generics() {
@ -201,6 +202,7 @@ fn check_well_formed(tcx: TyCtxt<'_>, def_id: hir::OwnerId) -> Result<(), ErrorG
res = res.and(check_param_wf(tcx, param)); res = res.and(check_param_wf(tcx, param));
} }
} }
res res
} }
@ -2172,10 +2174,14 @@ impl<'tcx> WfCheckingCtxt<'_, 'tcx> {
fn check_mod_type_wf(tcx: TyCtxt<'_>, module: LocalModDefId) -> Result<(), ErrorGuaranteed> { fn check_mod_type_wf(tcx: TyCtxt<'_>, module: LocalModDefId) -> Result<(), ErrorGuaranteed> {
let items = tcx.hir_module_items(module); let items = tcx.hir_module_items(module);
let mut res = items.par_items(|item| tcx.ensure().check_well_formed(item.owner_id)); let mut res = items.par_items(|item| tcx.ensure().check_well_formed(item.owner_id.def_id));
res = res.and(items.par_impl_items(|item| tcx.ensure().check_well_formed(item.owner_id))); res =
res = res.and(items.par_trait_items(|item| tcx.ensure().check_well_formed(item.owner_id))); res.and(items.par_impl_items(|item| tcx.ensure().check_well_formed(item.owner_id.def_id)));
res = res.and(items.par_foreign_items(|item| tcx.ensure().check_well_formed(item.owner_id))); res =
res.and(items.par_trait_items(|item| tcx.ensure().check_well_formed(item.owner_id.def_id)));
res = res
.and(items.par_foreign_items(|item| tcx.ensure().check_well_formed(item.owner_id.def_id)));
res = res.and(items.par_opaques(|item| tcx.ensure().check_well_formed(item)));
if module == LocalModDefId::CRATE_DEF_ID { if module == LocalModDefId::CRATE_DEF_ID {
super::entry::check_for_entry_fn(tcx); super::entry::check_for_entry_fn(tcx);
} }

13
compiler/rustc_hir_analysis/src/collect.rs
View File

@ -328,6 +328,19 @@ impl<'tcx> Visitor<'tcx> for CollectItemTypesVisitor<'tcx> {
intravisit::walk_expr(self, expr); intravisit::walk_expr(self, expr);
} }
/// Don't call `type_of` on opaque types, since that depends on type checking function bodies.
/// `check_item_type` ensures that it's called instead.
fn visit_opaque_ty(&mut self, opaque: &'tcx hir::OpaqueTy<'tcx>) {
let def_id = opaque.def_id;
self.tcx.ensure().generics_of(def_id);
self.tcx.ensure().predicates_of(def_id);
self.tcx.ensure().explicit_item_bounds(def_id);
self.tcx.ensure().explicit_item_super_predicates(def_id);
self.tcx.ensure().item_bounds(def_id);
self.tcx.ensure().item_super_predicates(def_id);
intravisit::walk_opaque_ty(self, opaque);
}
fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) { fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) {
lower_trait_item(self.tcx, trait_item.trait_item_id()); lower_trait_item(self.tcx, trait_item.trait_item_id());
intravisit::walk_trait_item(self, trait_item); intravisit::walk_trait_item(self, trait_item);

2
compiler/rustc_middle/src/query/mod.rs
View File

@ -1552,7 +1552,7 @@ rustc_queries! {
feedable feedable
} }
query check_well_formed(key: hir::OwnerId) -> Result<(), ErrorGuaranteed> { query check_well_formed(key: LocalDefId) -> Result<(), ErrorGuaranteed> {
desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key) } desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key) }
ensure_forwards_result_if_red ensure_forwards_result_if_red
} }