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Speedup trait impl search for goto_implementation

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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
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12
crates/hir/src/lib.rs
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@ -51,7 +51,8 @@ use hir_expand::{diagnostics::DiagnosticSink, name::name, MacroDefKind};
use hir_ty::{
autoderef,
display::{write_bounds_like_dyn_trait_with_prefix, HirDisplayError, HirFormatter},
method_resolution, to_assoc_type_id,
method_resolution::{self, TyFingerprint},
to_assoc_type_id,
traits::{FnTrait, Solution, SolutionVariables},
AliasTy, BoundVar, CallableDefId, CallableSig, Canonical, DebruijnIndex, GenericPredicate,
InEnvironment, Interner, Obligation, ProjectionPredicate, ProjectionTy, Scalar, Substs, Ty,
@ -1500,13 +1501,20 @@ impl Impl {
def_crates.iter().for_each(|&id| {
all.extend(db.inherent_impls_in_crate(id).all_impls().map(Self::from).filter(filter))
});
let fp = TyFingerprint::for_impl(&ty.value);
for id in def_crates
.iter()
.flat_map(|&id| Crate { id }.reverse_dependencies(db))
.map(|Crate { id }| id)
.chain(def_crates.iter().copied())
{
all.extend(db.trait_impls_in_crate(id).all_impls().map(Self::from).filter(filter));
match fp {
Some(fp) => all.extend(
db.trait_impls_in_crate(id).for_self_ty(fp).map(Self::from).filter(filter),
),
None => all
.extend(db.trait_impls_in_crate(id).all_impls().map(Self::from).filter(filter)),
}
}
all
}