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Remove defaultness from ImplItem.

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This commit is contained in:
Camille GILLOT 2022-02-02 12:44:51 +01:00
parent 686663a49e
commit 710662c8ac
8 changed files with 11 additions and 21 deletions
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4
compiler/rustc_ast_lowering/src/item.rs
View File

@ -896,9 +896,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
AssocItemKind::MacCall(..) => panic!("`TyMac` should have been expanded by now"),
};
// Since `default impl` is not yet implemented, this is always true in impls.
let has_value = true;
let (defaultness, _) = self.lower_defaultness(i.kind.defaultness(), has_value);
let hir_id = self.lower_node_id(i.id);
self.lower_attrs(hir_id, &i.attrs);
let item = hir::ImplItem {
@ -906,7 +903,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
ident: self.lower_ident(i.ident),
generics,
vis: self.lower_visibility(&i.vis),
defaultness,
kind,
span: self.lower_span(i.span),
};

3
compiler/rustc_hir/src/hir.rs
View File

@ -2112,7 +2112,6 @@ pub struct ImplItem<'hir> {
pub ident: Ident,
pub def_id: LocalDefId,
pub vis: Visibility<'hir>,
pub defaultness: Defaultness,
pub generics: Generics<'hir>,
pub kind: ImplItemKind<'hir>,
pub span: Span,
@ -3304,6 +3303,6 @@ mod size_asserts {
rustc_data_structures::static_assert_size!(super::Item<'static>, 184);
rustc_data_structures::static_assert_size!(super::TraitItem<'static>, 128);
rustc_data_structures::static_assert_size!(super::ImplItem<'static>, 152);
rustc_data_structures::static_assert_size!(super::ImplItem<'static>, 144);
rustc_data_structures::static_assert_size!(super::ForeignItem<'static>, 136);
}

4
compiler/rustc_hir/src/intravisit.rs
View File

@ -1020,12 +1020,10 @@ pub fn walk_trait_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_item_ref:
pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplItem<'v>) {
// N.B., deliberately force a compilation error if/when new fields are added.
let ImplItem { def_id: _, ident, ref vis, ref defaultness, ref generics, ref kind, span: _ } =
*impl_item;
let ImplItem { def_id: _, ident, ref vis, ref generics, ref kind, span: _ } = *impl_item;
visitor.visit_ident(ident);
visitor.visit_vis(vis);
visitor.visit_defaultness(defaultness);
visitor.visit_generics(generics);
match *kind {
ImplItemKind::Const(ref ty, body) => {

4
compiler/rustc_hir/src/stable_hash_impls.rs
View File

@ -164,13 +164,11 @@ impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for TraitItem<'_> {
impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ImplItem<'_> {
fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
let ImplItem { def_id: _, ident, ref vis, defaultness, ref generics, ref kind, span } =
*self;
let ImplItem { def_id: _, ident, ref vis, ref generics, ref kind, span } = *self;
hcx.hash_hir_item_like(|hcx| {
ident.name.hash_stable(hcx, hasher);
vis.hash_stable(hcx, hasher);
defaultness.hash_stable(hcx, hasher);
generics.hash_stable(hcx, hasher);
kind.hash_stable(hcx, hasher);
span.hash_stable(hcx, hasher);

1
compiler/rustc_hir_pretty/src/lib.rs
View File

@ -923,7 +923,6 @@ impl<'a> State<'a> {
self.hardbreak_if_not_bol();
self.maybe_print_comment(ii.span.lo());
self.print_outer_attributes(self.attrs(ii.hir_id()));
self.print_defaultness(ii.defaultness);
match ii.kind {
hir::ImplItemKind::Const(ref ty, expr) => {

3
src/librustdoc/clean/mod.rs
View File

@ -1014,7 +1014,8 @@ impl Clean<Item> for hir::ImplItem<'_> {
{
m.header.constness = hir::Constness::NotConst;
}
MethodItem(m, Some(self.defaultness))
let defaultness = cx.tcx.associated_item(self.def_id).defaultness;
MethodItem(m, Some(defaultness))
}
hir::ImplItemKind::TyAlias(ref hir_ty) => {
let type_ = hir_ty.clean(cx);

10
src/test/incremental/hashes/trait_impls.rs
View File

@ -358,9 +358,11 @@ pub trait AddDefaultTrait {
#[cfg(any(cfail1,cfail4))]
impl AddDefaultTrait for Foo {
// -------------------------------------------------------------------------------------------
// ----------------------------------------------------
// -------------------------
fn method_name() { }
// ----------------------------------------------------
// -------------------------
fn method_name() { }
}
#[cfg(not(any(cfail1,cfail4)))]
@ -369,9 +371,9 @@ impl AddDefaultTrait for Foo {
#[rustc_clean(except="hir_owner,hir_owner_nodes", cfg="cfail5")]
#[rustc_clean(cfg="cfail6")]
impl AddDefaultTrait for Foo {
#[rustc_clean(except="hir_owner,hir_owner_nodes,associated_item", cfg="cfail2")]
#[rustc_clean(except="associated_item", cfg="cfail2")]
#[rustc_clean(cfg="cfail3")]
#[rustc_clean(except="hir_owner,hir_owner_nodes,associated_item,optimized_mir", cfg="cfail5")]
#[rustc_clean(except="associated_item", cfg="cfail5")]
#[rustc_clean(cfg="cfail6")]
default fn method_name() { }
}

3
src/tools/clippy/clippy_lints/src/utils/inspector.rs
View File

@ -54,9 +54,6 @@ impl<'tcx> LateLintPass<'tcx> for DeepCodeInspector {
),
hir::VisibilityKind::Inherited => println!("visibility inherited from outer item"),
}
if item.defaultness.is_default() {
println!("default");
}
match item.kind {
hir::ImplItemKind::Const(_, body_id) => {
println!("associated constant");