diff options
Diffstat (limited to 'crates/hir_ty/src/chalk_ext.rs')
-rw-r--r-- | crates/hir_ty/src/chalk_ext.rs | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/crates/hir_ty/src/chalk_ext.rs b/crates/hir_ty/src/chalk_ext.rs index 8e8a1aa48..6a353423a 100644 --- a/crates/hir_ty/src/chalk_ext.rs +++ b/crates/hir_ty/src/chalk_ext.rs | |||
@@ -8,7 +8,7 @@ use hir_def::{ | |||
8 | use crate::{ | 8 | use crate::{ |
9 | db::HirDatabase, from_assoc_type_id, from_chalk_trait_id, from_foreign_def_id, | 9 | db::HirDatabase, from_assoc_type_id, from_chalk_trait_id, from_foreign_def_id, |
10 | from_placeholder_idx, to_chalk_trait_id, AdtId, AliasEq, AliasTy, Binders, CallableDefId, | 10 | from_placeholder_idx, to_chalk_trait_id, AdtId, AliasEq, AliasTy, Binders, CallableDefId, |
11 | CallableSig, ImplTraitId, Interner, Lifetime, ProjectionTy, QuantifiedWhereClause, | 11 | CallableSig, FnPointer, ImplTraitId, Interner, Lifetime, ProjectionTy, QuantifiedWhereClause, |
12 | Substitution, TraitRef, Ty, TyBuilder, TyKind, WhereClause, | 12 | Substitution, TraitRef, Ty, TyBuilder, TyKind, WhereClause, |
13 | }; | 13 | }; |
14 | 14 | ||
@@ -34,6 +34,9 @@ pub trait TyExt { | |||
34 | 34 | ||
35 | fn impl_trait_bounds(&self, db: &dyn HirDatabase) -> Option<Vec<QuantifiedWhereClause>>; | 35 | fn impl_trait_bounds(&self, db: &dyn HirDatabase) -> Option<Vec<QuantifiedWhereClause>>; |
36 | fn associated_type_parent_trait(&self, db: &dyn HirDatabase) -> Option<TraitId>; | 36 | fn associated_type_parent_trait(&self, db: &dyn HirDatabase) -> Option<TraitId>; |
37 | |||
38 | /// FIXME: Get rid of this, it's not a good abstraction | ||
39 | fn equals_ctor(&self, other: &Ty) -> bool; | ||
37 | } | 40 | } |
38 | 41 | ||
39 | impl TyExt for Ty { | 42 | impl TyExt for Ty { |
@@ -238,6 +241,36 @@ impl TyExt for Ty { | |||
238 | _ => None, | 241 | _ => None, |
239 | } | 242 | } |
240 | } | 243 | } |
244 | |||
245 | fn equals_ctor(&self, other: &Ty) -> bool { | ||
246 | match (self.kind(&Interner), other.kind(&Interner)) { | ||
247 | (TyKind::Adt(adt, ..), TyKind::Adt(adt2, ..)) => adt == adt2, | ||
248 | (TyKind::Slice(_), TyKind::Slice(_)) | (TyKind::Array(_, _), TyKind::Array(_, _)) => { | ||
249 | true | ||
250 | } | ||
251 | (TyKind::FnDef(def_id, ..), TyKind::FnDef(def_id2, ..)) => def_id == def_id2, | ||
252 | (TyKind::OpaqueType(ty_id, ..), TyKind::OpaqueType(ty_id2, ..)) => ty_id == ty_id2, | ||
253 | (TyKind::AssociatedType(ty_id, ..), TyKind::AssociatedType(ty_id2, ..)) => { | ||
254 | ty_id == ty_id2 | ||
255 | } | ||
256 | (TyKind::Foreign(ty_id, ..), TyKind::Foreign(ty_id2, ..)) => ty_id == ty_id2, | ||
257 | (TyKind::Closure(id1, _), TyKind::Closure(id2, _)) => id1 == id2, | ||
258 | (TyKind::Ref(mutability, ..), TyKind::Ref(mutability2, ..)) | ||
259 | | (TyKind::Raw(mutability, ..), TyKind::Raw(mutability2, ..)) => { | ||
260 | mutability == mutability2 | ||
261 | } | ||
262 | ( | ||
263 | TyKind::Function(FnPointer { num_binders, sig, .. }), | ||
264 | TyKind::Function(FnPointer { num_binders: num_binders2, sig: sig2, .. }), | ||
265 | ) => num_binders == num_binders2 && sig == sig2, | ||
266 | (TyKind::Tuple(cardinality, _), TyKind::Tuple(cardinality2, _)) => { | ||
267 | cardinality == cardinality2 | ||
268 | } | ||
269 | (TyKind::Str, TyKind::Str) | (TyKind::Never, TyKind::Never) => true, | ||
270 | (TyKind::Scalar(scalar), TyKind::Scalar(scalar2)) => scalar == scalar2, | ||
271 | _ => false, | ||
272 | } | ||
273 | } | ||
241 | } | 274 | } |
242 | 275 | ||
243 | pub trait ProjectionTyExt { | 276 | pub trait ProjectionTyExt { |