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Auto merge of #124401 - oli-obk:some_hir_cleanups, r=cjgillot

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Some hir cleanups

It seemed odd to not put `AnonConst` in the arena, compared with the other types that we did put into an arena. This way we can also give it a `Span` without growing a lot of other HIR data structures because of the extra field.

r? compiler
This commit is contained in:
bors
2024-05-04 00:32:27 +00:00
parent d2d24e395a fea1fe7f01
commit 09cd00fea4
16 changed files with 89 additions and 87 deletions
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26
compiler/rustc_ast_lowering/src/lib.rs
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@@ -1178,14 +1178,17 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
tokens: None,
};
let ct = self.with_new_scopes(span, |this| hir::AnonConst {
def_id,
hir_id: this.lower_node_id(node_id),
body: this.lower_const_body(path_expr.span, Some(&path_expr)),
let ct = self.with_new_scopes(span, |this| {
self.arena.alloc(hir::AnonConst {
def_id,
hir_id: this.lower_node_id(node_id),
body: this
.lower_const_body(path_expr.span, Some(&path_expr)),
span,
})
});
return GenericArg::Const(ConstArg {
value: ct,
span,
is_desugared_from_effects: false,
});
}
@@ -1197,7 +1200,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
}
ast::GenericArg::Const(ct) => GenericArg::Const(ConstArg {
value: self.lower_anon_const(ct),
span: self.lower_span(ct.value.span),
is_desugared_from_effects: false,
}),
}
@@ -2315,7 +2317,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
}
#[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable
fn lower_array_length(&mut self, c: &AnonConst) -> hir::ArrayLen {
fn lower_array_length(&mut self, c: &AnonConst) -> hir::ArrayLen<'hir> {
match c.value.kind {
ExprKind::Underscore => {
if self.tcx.features().generic_arg_infer {
@@ -2338,12 +2340,13 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
}
}
fn lower_anon_const(&mut self, c: &AnonConst) -> hir::AnonConst {
self.with_new_scopes(c.value.span, |this| hir::AnonConst {
fn lower_anon_const(&mut self, c: &AnonConst) -> &'hir hir::AnonConst {
self.arena.alloc(self.with_new_scopes(c.value.span, |this| hir::AnonConst {
def_id: this.local_def_id(c.id),
hir_id: this.lower_node_id(c.id),
body: this.lower_const_body(c.value.span, Some(&c.value)),
})
span: this.lower_span(c.value.span),
}))
}
fn lower_unsafe_source(&mut self, u: UnsafeSource) -> hir::UnsafeSource {
@@ -2650,8 +2653,7 @@ impl<'hir> GenericArgsCtor<'hir> {
lcx.children.push((def_id, hir::MaybeOwner::NonOwner(hir_id)));
self.args.push(hir::GenericArg::Const(hir::ConstArg {
value: hir::AnonConst { def_id, hir_id, body },
span,
value: lcx.arena.alloc(hir::AnonConst { def_id, hir_id, body, span }),
is_desugared_from_effects: true,
}))
}