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-rw-r--r--crates/hir_ty/src/display.rs7
-rw-r--r--crates/hir_ty/src/lib.rs8
-rw-r--r--crates/hir_ty/src/lower.rs7
-rw-r--r--crates/hir_ty/src/traits/chalk/mapping.rs18
4 files changed, 22 insertions, 18 deletions
diff --git a/crates/hir_ty/src/display.rs b/crates/hir_ty/src/display.rs
index 21291ddda..378c951c5 100644
--- a/crates/hir_ty/src/display.rs
+++ b/crates/hir_ty/src/display.rs
@@ -319,7 +319,10 @@ impl HirDisplay for Ty {
319 TyKind::Dyn(predicates) if predicates.len() > 1 => { 319 TyKind::Dyn(predicates) if predicates.len() > 1 => {
320 Cow::Borrowed(predicates.as_ref()) 320 Cow::Borrowed(predicates.as_ref())
321 } 321 }
322 &TyKind::Alias(AliasTy::Opaque(OpaqueTy { opaque_ty_id, ref parameters })) => { 322 &TyKind::Alias(AliasTy::Opaque(OpaqueTy {
323 opaque_ty_id,
324 substitution: ref parameters,
325 })) => {
323 let impl_trait_id = f.db.lookup_intern_impl_trait_id(opaque_ty_id.into()); 326 let impl_trait_id = f.db.lookup_intern_impl_trait_id(opaque_ty_id.into());
324 if let ImplTraitId::ReturnTypeImplTrait(func, idx) = impl_trait_id { 327 if let ImplTraitId::ReturnTypeImplTrait(func, idx) = impl_trait_id {
325 datas = 328 datas =
@@ -579,7 +582,7 @@ impl HirDisplay for Ty {
579 let data = (*datas) 582 let data = (*datas)
580 .as_ref() 583 .as_ref()
581 .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone()); 584 .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone());
582 let bounds = data.subst(&opaque_ty.parameters); 585 let bounds = data.subst(&opaque_ty.substitution);
583 write_bounds_like_dyn_trait_with_prefix("impl", &bounds.value, f)?; 586 write_bounds_like_dyn_trait_with_prefix("impl", &bounds.value, f)?;
584 } 587 }
585 ImplTraitId::AsyncBlockTypeImplTrait(..) => { 588 ImplTraitId::AsyncBlockTypeImplTrait(..) => {
diff --git a/crates/hir_ty/src/lib.rs b/crates/hir_ty/src/lib.rs
index bc7a7369a..484652073 100644
--- a/crates/hir_ty/src/lib.rs
+++ b/crates/hir_ty/src/lib.rs
@@ -66,7 +66,7 @@ pub enum Lifetime {
66#[derive(Clone, PartialEq, Eq, Debug, Hash)] 66#[derive(Clone, PartialEq, Eq, Debug, Hash)]
67pub struct OpaqueTy { 67pub struct OpaqueTy {
68 pub opaque_ty_id: OpaqueTyId, 68 pub opaque_ty_id: OpaqueTyId,
69 pub parameters: Substs, 69 pub substitution: Substs,
70} 70}
71 71
72/// A "projection" type corresponds to an (unnormalized) 72/// A "projection" type corresponds to an (unnormalized)
@@ -903,7 +903,7 @@ impl Ty {
903 let data = (*it) 903 let data = (*it)
904 .as_ref() 904 .as_ref()
905 .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone()); 905 .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone());
906 data.subst(&opaque_ty.parameters) 906 data.subst(&opaque_ty.substitution)
907 }) 907 })
908 } 908 }
909 // It always has an parameter for Future::Output type. 909 // It always has an parameter for Future::Output type.
@@ -1059,7 +1059,7 @@ impl TypeWalk for Ty {
1059 } 1059 }
1060 } 1060 }
1061 TyKind::Alias(AliasTy::Opaque(o_ty)) => { 1061 TyKind::Alias(AliasTy::Opaque(o_ty)) => {
1062 for t in o_ty.parameters.iter() { 1062 for t in o_ty.substitution.iter() {
1063 t.walk(f); 1063 t.walk(f);
1064 } 1064 }
1065 } 1065 }
@@ -1094,7 +1094,7 @@ impl TypeWalk for Ty {
1094 } 1094 }
1095 } 1095 }
1096 TyKind::Alias(AliasTy::Opaque(o_ty)) => { 1096 TyKind::Alias(AliasTy::Opaque(o_ty)) => {
1097 o_ty.parameters.walk_mut_binders(f, binders); 1097 o_ty.substitution.walk_mut_binders(f, binders);
1098 } 1098 }
1099 _ => { 1099 _ => {
1100 if let Some(substs) = self.substs_mut() { 1100 if let Some(substs) = self.substs_mut() {
diff --git a/crates/hir_ty/src/lower.rs b/crates/hir_ty/src/lower.rs
index 76b2124af..d026310f4 100644
--- a/crates/hir_ty/src/lower.rs
+++ b/crates/hir_ty/src/lower.rs
@@ -230,8 +230,11 @@ impl<'a> TyLoweringContext<'a> {
230 let opaque_ty_id = self.db.intern_impl_trait_id(impl_trait_id).into(); 230 let opaque_ty_id = self.db.intern_impl_trait_id(impl_trait_id).into();
231 let generics = generics(self.db.upcast(), func.into()); 231 let generics = generics(self.db.upcast(), func.into());
232 let parameters = Substs::bound_vars(&generics, self.in_binders); 232 let parameters = Substs::bound_vars(&generics, self.in_binders);
233 TyKind::Alias(AliasTy::Opaque(OpaqueTy { opaque_ty_id, parameters })) 233 TyKind::Alias(AliasTy::Opaque(OpaqueTy {
234 .intern(&Interner) 234 opaque_ty_id,
235 substitution: parameters,
236 }))
237 .intern(&Interner)
235 } 238 }
236 ImplTraitLoweringMode::Param => { 239 ImplTraitLoweringMode::Param => {
237 let idx = self.impl_trait_counter.get(); 240 let idx = self.impl_trait_counter.get();
diff --git a/crates/hir_ty/src/traits/chalk/mapping.rs b/crates/hir_ty/src/traits/chalk/mapping.rs
index 1a6fca611..05a4bf0df 100644
--- a/crates/hir_ty/src/traits/chalk/mapping.rs
+++ b/crates/hir_ty/src/traits/chalk/mapping.rs
@@ -87,6 +87,13 @@ impl ToChalk for Ty {
87 .cast(&Interner) 87 .cast(&Interner)
88 .intern(&Interner) 88 .intern(&Interner)
89 } 89 }
90 TyKind::Alias(AliasTy::Opaque(opaque_ty)) => {
91 let opaque_ty_id = opaque_ty.opaque_ty_id;
92 let substitution = opaque_ty.substitution.to_chalk(db);
93 chalk_ir::AliasTy::Opaque(chalk_ir::OpaqueTy { opaque_ty_id, substitution })
94 .cast(&Interner)
95 .intern(&Interner)
96 }
90 TyKind::Placeholder(idx) => idx.to_ty::<Interner>(&Interner), 97 TyKind::Placeholder(idx) => idx.to_ty::<Interner>(&Interner),
91 TyKind::BoundVar(idx) => chalk_ir::TyKind::BoundVar(idx).intern(&Interner), 98 TyKind::BoundVar(idx) => chalk_ir::TyKind::BoundVar(idx).intern(&Interner),
92 TyKind::InferenceVar(..) => panic!("uncanonicalized infer ty"), 99 TyKind::InferenceVar(..) => panic!("uncanonicalized infer ty"),
@@ -101,15 +108,6 @@ impl ToChalk for Ty {
101 }; 108 };
102 chalk_ir::TyKind::Dyn(bounded_ty).intern(&Interner) 109 chalk_ir::TyKind::Dyn(bounded_ty).intern(&Interner)
103 } 110 }
104 TyKind::Alias(AliasTy::Opaque(opaque_ty)) => {
105 let opaque_ty_id = opaque_ty.opaque_ty_id;
106 let substitution = opaque_ty.parameters.to_chalk(db);
107 chalk_ir::TyKind::Alias(chalk_ir::AliasTy::Opaque(chalk_ir::OpaqueTy {
108 opaque_ty_id,
109 substitution,
110 }))
111 .intern(&Interner)
112 }
113 TyKind::Unknown => chalk_ir::TyKind::Error.intern(&Interner), 111 TyKind::Unknown => chalk_ir::TyKind::Error.intern(&Interner),
114 } 112 }
115 } 113 }
@@ -129,7 +127,7 @@ impl ToChalk for Ty {
129 chalk_ir::TyKind::Alias(chalk_ir::AliasTy::Opaque(opaque_ty)) => { 127 chalk_ir::TyKind::Alias(chalk_ir::AliasTy::Opaque(opaque_ty)) => {
130 let opaque_ty_id = opaque_ty.opaque_ty_id; 128 let opaque_ty_id = opaque_ty.opaque_ty_id;
131 let parameters = from_chalk(db, opaque_ty.substitution); 129 let parameters = from_chalk(db, opaque_ty.substitution);
132 TyKind::Alias(AliasTy::Opaque(OpaqueTy { opaque_ty_id, parameters })) 130 TyKind::Alias(AliasTy::Opaque(OpaqueTy { opaque_ty_id, substitution: parameters }))
133 } 131 }
134 chalk_ir::TyKind::Function(chalk_ir::FnPointer { 132 chalk_ir::TyKind::Function(chalk_ir::FnPointer {
135 num_binders, 133 num_binders,