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resolve: Use Interned for NameBinding

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This commit is contained in:
Vadim Petrochenkov 2023-07-04 17:28:57 +03:00
parent 6dab6dc5fc
commit 8efd9cc30d
8 changed files with 106 additions and 124 deletions
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22
compiler/rustc_resolve/src/diagnostics.rs
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@ -182,13 +182,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
}
}
pub(crate) fn report_conflict<'b>(
pub(crate) fn report_conflict(
&mut self,
parent: Module<'_>,
ident: Ident,
ns: Namespace,
new_binding: &NameBinding<'b>,
old_binding: &NameBinding<'b>,
new_binding: NameBinding<'a>,
old_binding: NameBinding<'a>,
) {
// Error on the second of two conflicting names
if old_binding.span.lo() > new_binding.span.lo() {
@ -262,7 +262,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
// See https://github.com/rust-lang/rust/issues/32354
use NameBindingKind::Import;
let can_suggest = |binding: &NameBinding<'_>, import: &self::Import<'_>| {
let can_suggest = |binding: NameBinding<'_>, import: &self::Import<'_>| {
!binding.span.is_dummy()
&& !matches!(import.kind, ImportKind::MacroUse | ImportKind::MacroExport)
};
@ -455,7 +455,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
&mut self,
finalize: Option<Finalize>,
path: &[Segment],
second_binding: Option<&NameBinding<'_>>,
second_binding: Option<NameBinding<'_>>,
) {
let Some(Finalize { node_id, root_span, .. }) = finalize else {
return;
@ -1515,7 +1515,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
true
}
fn binding_description(&self, b: &NameBinding<'_>, ident: Ident, from_prelude: bool) -> String {
fn binding_description(&self, b: NameBinding<'_>, ident: Ident, from_prelude: bool) -> String {
let res = b.res();
if b.span.is_dummy() || !self.tcx.sess.source_map().is_span_accessible(b.span) {
// These already contain the "built-in" prefix or look bad with it.
@ -1555,7 +1555,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
err.span_label(ident.span, "ambiguous name");
err.note(format!("ambiguous because of {}", kind.descr()));
let mut could_refer_to = |b: &NameBinding<'_>, misc: AmbiguityErrorMisc, also: &str| {
let mut could_refer_to = |b: NameBinding<'_>, misc: AmbiguityErrorMisc, also: &str| {
let what = self.binding_description(b, ident, misc == AmbiguityErrorMisc::FromPrelude);
let note_msg = format!("`{ident}` could{also} refer to {what}");
@ -1595,7 +1595,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
/// If the binding refers to a tuple struct constructor with fields,
/// returns the span of its fields.
fn ctor_fields_span(&self, binding: &NameBinding<'_>) -> Option<Span> {
fn ctor_fields_span(&self, binding: NameBinding<'_>) -> Option<Span> {
if let NameBindingKind::Res(Res::Def(
DefKind::Ctor(CtorOf::Struct, CtorKind::Fn),
ctor_def_id,
@ -1622,7 +1622,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
if ctor_fields_span.is_some() { plain_descr + " constructor" } else { plain_descr };
let import_descr = nonimport_descr.clone() + " import";
let get_descr =
|b: &NameBinding<'_>| if b.is_import() { &import_descr } else { &nonimport_descr };
|b: NameBinding<'_>| if b.is_import() { &import_descr } else { &nonimport_descr };
// Print the primary message.
let descr = get_descr(binding);
@ -1702,7 +1702,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
_ => None,
};
let first = ptr::eq(binding, first_binding);
let first = binding == first_binding;
let msg = format!(
"{and_refers_to}the {item} `{name}`{which} is defined here{dots}",
and_refers_to = if first { "" } else { "...and refers to " },
@ -1762,7 +1762,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
opt_ns: Option<Namespace>, // `None` indicates a module path in import
parent_scope: &ParentScope<'a>,
ribs: Option<&PerNS<Vec<Rib<'a>>>>,
ignore_binding: Option<&'a NameBinding<'a>>,
ignore_binding: Option<NameBinding<'a>>,
module: Option<ModuleOrUniformRoot<'a>>,
failed_segment_idx: usize,
ident: Ident,