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goto_implementation: Look at the entire crate graph for trait impls

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Lukas Wirth 2021-03-15 14:31:55 +01:00
parent 6241567948
commit 79561b9d2e
1 changed files with 3 additions and 8 deletions
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11
crates/hir/src/lib.rs
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@ -1488,7 +1488,7 @@ impl Impl {
pub fn all_for_type(db: &dyn HirDatabase, Type { krate, ty }: Type) -> Vec<Impl> { pub fn all_for_type(db: &dyn HirDatabase, Type { krate, ty }: Type) -> Vec<Impl> {
let def_crates = match ty.value.def_crates(db, krate) { let def_crates = match ty.value.def_crates(db, krate) {
Some(def_crates) => def_crates, Some(def_crates) => def_crates,
None => return vec![], None => return Vec::new(),
}; };
let filter = |impl_def: &Impl| { let filter = |impl_def: &Impl| {
@ -1498,16 +1498,11 @@ impl Impl {
}; };
let mut all = Vec::new(); let mut all = Vec::new();
def_crates.iter().for_each(|&id| { def_crates.into_iter().for_each(|id| {
all.extend(db.inherent_impls_in_crate(id).all_impls().map(Self::from).filter(filter)) all.extend(db.inherent_impls_in_crate(id).all_impls().map(Self::from).filter(filter))
}); });
let fp = TyFingerprint::for_impl(&ty.value); let fp = TyFingerprint::for_impl(&ty.value);
for id in def_crates for id in db.crate_graph().iter() {
.iter()
.flat_map(|&id| Crate { id }.reverse_dependencies(db))
.map(|Crate { id }| id)
.chain(def_crates.iter().copied())
{
match fp { match fp {
Some(fp) => all.extend( Some(fp) => all.extend(
db.trait_impls_in_crate(id).for_self_ty(fp).map(Self::from).filter(filter), db.trait_impls_in_crate(id).for_self_ty(fp).map(Self::from).filter(filter),