language-servers/rust-analyzer
1
0
Fork 0
mirror of https://github.com/rust-lang/rust-analyzer.git synced 2025-10-01 06:11:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

Speedup trait impl search for goto_implementation

Browse source
This commit is contained in:
Lukas Wirth 2021-03-15 13:49:21 +01:00
parent 6c782a5314
commit 6241567948
2 changed files with 19 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

10
crates/hir_ty/src/method_resolution.rs
View file

@ -44,7 +44,7 @@ impl TyFingerprint {
/// Creates a TyFingerprint for looking up an impl. Only certain types can
/// have impls: if we have some `struct S`, we can have an `impl S`, but not
/// `impl &S`. Hence, this will return `None` for reference types and such.
pub(crate) fn for_impl(ty: &Ty) -> Option<TyFingerprint> {
pub fn for_impl(ty: &Ty) -> Option<TyFingerprint> {
let fp = match *ty.interned(&Interner) {
TyKind::Str => TyFingerprint::Str,
TyKind::Never => TyFingerprint::Never,
@ -141,6 +141,14 @@ impl TraitImpls {
}
}
/// Queries all trait impls for the given type.
pub fn for_self_ty(&self, fp: TyFingerprint) -> impl Iterator<Item = ImplId> + '_ {
self.map
.values()
.flat_map(move |impls| impls.get(&None).into_iter().chain(impls.get(&Some(fp))))
.flat_map(|it| it.iter().copied())
}
/// Queries all impls of the given trait.
pub fn for_trait(&self, trait_: TraitId) -> impl Iterator<Item = ImplId> + '_ {
self.map