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Change LoweringContext.children to Vec

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This commit is contained in:
CastilloDel 2022-11-12 19:07:33 +01:00
parent d1eab51f47
commit fdb5fe2ed8
2 changed files with 15 additions and 11 deletions
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15
compiler/rustc_ast_lowering/src/item.rs
View File

@ -6,7 +6,6 @@
use rustc_ast::ptr::P;
use rustc_ast::visit::AssocCtxt;
use rustc_ast::*;
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::sorted_map::SortedMap;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
@ -67,7 +66,7 @@ fn with_lctx(
// HirId handling.
bodies: Vec::new(),
attrs: SortedMap::default(),
children: FxHashMap::default(),
children: Vec::default(),
current_hir_id_owner: hir::CRATE_OWNER_ID,
item_local_id_counter: hir::ItemLocalId::new(0),
node_id_to_local_id: Default::default(),
@ -95,8 +94,14 @@ fn with_lctx(
for (def_id, info) in lctx.children {
self.owners.ensure_contains_elem(def_id, || hir::MaybeOwner::Phantom);
debug_assert!(matches!(self.owners[def_id], hir::MaybeOwner::Phantom));
match (self.owners[def_id], info) {
(hir::MaybeOwner::Phantom, _)
| (hir::MaybeOwner::NonOwner(_), hir::MaybeOwner::Owner(_)) => {
self.owners[def_id] = info;
}
_ => unreachable!(),
}
}
}
pub(super) fn lower_node(
@ -534,12 +539,12 @@ fn lower_use_tree(
for new_node_id in [id1, id2] {
let new_id = self.local_def_id(new_node_id);
let Some(res) = resolutions.next() else {
debug_assert!(self.children.iter().find(|(id, _)| id == &new_id).is_none());
// Associate an HirId to both ids even if there is no resolution.
let _old = self.children.insert(
self.children.push((
new_id,
hir::MaybeOwner::NonOwner(hir::HirId::make_owner(new_id)),
hir::MaybeOwner::NonOwner(hir::HirId::make_owner(new_id))),
);
debug_assert!(_old.is_none());
continue;
};
let ident = *ident;

9
compiler/rustc_ast_lowering/src/lib.rs
View File

@ -106,7 +106,7 @@ struct LoweringContext<'a, 'hir> {
/// Attributes inside the owner being lowered.
attrs: SortedMap<hir::ItemLocalId, &'hir [Attribute]>,
/// Collect items that were created by lowering the current owner.
children: FxHashMap<LocalDefId, hir::MaybeOwner<&'hir hir::OwnerInfo<'hir>>>,
children: Vec<(LocalDefId, hir::MaybeOwner<&'hir hir::OwnerInfo<'hir>>)>,
generator_kind: Option<hir::GeneratorKind>,
@ -610,8 +610,8 @@ fn with_hir_id_owner(
self.impl_trait_defs = current_impl_trait_defs;
self.impl_trait_bounds = current_impl_trait_bounds;
let _old = self.children.insert(def_id, hir::MaybeOwner::Owner(info));
debug_assert!(_old.is_none())
debug_assert!(self.children.iter().find(|(id, _)| id == &def_id).is_none());
self.children.push((def_id, hir::MaybeOwner::Owner(info)));
}
/// Installs the remapping `remap` in scope while `f` is being executed.
@ -718,8 +718,7 @@ fn lower_node_id(&mut self, ast_node_id: NodeId) -> hir::HirId {
assert_ne!(local_id, hir::ItemLocalId::new(0));
if let Some(def_id) = self.opt_local_def_id(ast_node_id) {
// Do not override a `MaybeOwner::Owner` that may already here.
self.children.entry(def_id).or_insert(hir::MaybeOwner::NonOwner(hir_id));
self.children.push((def_id, hir::MaybeOwner::NonOwner(hir_id)));
self.local_id_to_def_id.insert(local_id, def_id);
}