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-rw-r--r--crates/hir_def/src/item_tree.rs1
-rw-r--r--crates/hir_def/src/item_tree/lower.rs6
-rw-r--r--crates/hir_def/src/item_tree/tests.rs2
-rw-r--r--crates/hir_ty/Cargo.toml6
-rw-r--r--crates/hir_ty/src/display.rs9
-rw-r--r--crates/hir_ty/src/lib.rs11
-rw-r--r--crates/hir_ty/src/traits/chalk.rs22
-rw-r--r--crates/hir_ty/src/traits/chalk/interner.rs1
-rw-r--r--crates/hir_ty/src/traits/chalk/mapping.rs69
-rw-r--r--crates/hir_ty/src/traits/chalk/tls.rs11
10 files changed, 105 insertions, 33 deletions
diff --git a/crates/hir_def/src/item_tree.rs b/crates/hir_def/src/item_tree.rs
index e14722cae..52abb8e7f 100644
--- a/crates/hir_def/src/item_tree.rs
+++ b/crates/hir_def/src/item_tree.rs
@@ -592,6 +592,7 @@ pub struct TypeAlias {
592 pub bounds: Box<[TypeBound]>, 592 pub bounds: Box<[TypeBound]>,
593 pub generic_params: GenericParamsId, 593 pub generic_params: GenericParamsId,
594 pub type_ref: Option<TypeRef>, 594 pub type_ref: Option<TypeRef>,
595 pub is_extern: bool,
595 pub ast_id: FileAstId<ast::TypeAlias>, 596 pub ast_id: FileAstId<ast::TypeAlias>,
596} 597}
597 598
diff --git a/crates/hir_def/src/item_tree/lower.rs b/crates/hir_def/src/item_tree/lower.rs
index 6a503d785..d93377c3b 100644
--- a/crates/hir_def/src/item_tree/lower.rs
+++ b/crates/hir_def/src/item_tree/lower.rs
@@ -364,6 +364,7 @@ impl Ctx {
364 generic_params, 364 generic_params,
365 type_ref, 365 type_ref,
366 ast_id, 366 ast_id,
367 is_extern: false,
367 }; 368 };
368 Some(id(self.data().type_aliases.alloc(res))) 369 Some(id(self.data().type_aliases.alloc(res)))
369 } 370 }
@@ -558,8 +559,9 @@ impl Ctx {
558 statik.into() 559 statik.into()
559 } 560 }
560 ast::ExternItem::TypeAlias(ty) => { 561 ast::ExternItem::TypeAlias(ty) => {
561 let id = self.lower_type_alias(&ty)?; 562 let foreign_ty = self.lower_type_alias(&ty)?;
562 id.into() 563 self.data().type_aliases[foreign_ty.index].is_extern = true;
564 foreign_ty.into()
563 } 565 }
564 ast::ExternItem::MacroCall(_) => return None, 566 ast::ExternItem::MacroCall(_) => return None,
565 }; 567 };
diff --git a/crates/hir_def/src/item_tree/tests.rs b/crates/hir_def/src/item_tree/tests.rs
index 620e697d4..eed3d0d6f 100644
--- a/crates/hir_def/src/item_tree/tests.rs
+++ b/crates/hir_def/src/item_tree/tests.rs
@@ -236,7 +236,7 @@ fn smoke() {
236 #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_trait"))] }, input: None }]) }] 236 #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_trait"))] }, input: None }]) }]
237 Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(0), auto: false, items: [TypeAlias(Idx::<TypeAlias>(0)), Const(Idx::<Const>(0)), Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Trait>(2) } 237 Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(0), auto: false, items: [TypeAlias(Idx::<TypeAlias>(0)), Const(Idx::<Const>(0)), Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Trait>(2) }
238 > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_ty"))] }, input: None }]) }] 238 > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_ty"))] }, input: None }]) }]
239 > TypeAlias { name: Name(Text("AssocTy")), visibility: RawVisibilityId("pub(self)"), bounds: [Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Tr"))] }, generic_args: [Some(GenericArgs { args: [Type(Tuple([]))], has_self_type: false, bindings: [] })] })], generic_params: GenericParamsId(4294967295), type_ref: None, ast_id: FileAstId::<syntax::ast::generated::nodes::TypeAlias>(8) } 239 > TypeAlias { name: Name(Text("AssocTy")), visibility: RawVisibilityId("pub(self)"), bounds: [Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Tr"))] }, generic_args: [Some(GenericArgs { args: [Type(Tuple([]))], has_self_type: false, bindings: [] })] })], generic_params: GenericParamsId(4294967295), type_ref: None, is_extern: false, ast_id: FileAstId::<syntax::ast::generated::nodes::TypeAlias>(8) }
240 > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_const"))] }, input: None }]) }] 240 > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_const"))] }, input: None }]) }]
241 > Const { name: Some(Name(Text("CONST"))), visibility: RawVisibilityId("pub(self)"), type_ref: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("u8"))] }, generic_args: [None] }), ast_id: FileAstId::<syntax::ast::generated::nodes::Const>(9) } 241 > Const { name: Some(Name(Text("CONST"))), visibility: RawVisibilityId("pub(self)"), type_ref: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("u8"))] }, generic_args: [None] }), ast_id: FileAstId::<syntax::ast::generated::nodes::Const>(9) }
242 > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_method"))] }, input: None }]) }] 242 > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_method"))] }, input: None }]) }]
diff --git a/crates/hir_ty/Cargo.toml b/crates/hir_ty/Cargo.toml
index 7d02aaf95..bc86df2b1 100644
--- a/crates/hir_ty/Cargo.toml
+++ b/crates/hir_ty/Cargo.toml
@@ -17,9 +17,9 @@ ena = "0.14.0"
17log = "0.4.8" 17log = "0.4.8"
18rustc-hash = "1.1.0" 18rustc-hash = "1.1.0"
19scoped-tls = "1" 19scoped-tls = "1"
20chalk-solve = { version = "0.25.0" } 20chalk-solve = { version = "0.27.0" }
21chalk-ir = { version = "0.25.0" } 21chalk-ir = { version = "0.27.0" }
22chalk-recursive = { version = "0.25.0" } 22chalk-recursive = { version = "0.27.0" }
23 23
24stdx = { path = "../stdx", version = "0.0.0" } 24stdx = { path = "../stdx", version = "0.0.0" }
25hir_def = { path = "../hir_def", version = "0.0.0" } 25hir_def = { path = "../hir_def", version = "0.0.0" }
diff --git a/crates/hir_ty/src/display.rs b/crates/hir_ty/src/display.rs
index efb48c7ee..f389c5a4b 100644
--- a/crates/hir_ty/src/display.rs
+++ b/crates/hir_ty/src/display.rs
@@ -380,6 +380,15 @@ impl HirDisplay for ApplicationTy {
380 write!(f, ">")?; 380 write!(f, ">")?;
381 } 381 }
382 } 382 }
383 TypeCtor::ForeignType(type_alias) => {
384 let type_alias = f.db.type_alias_data(type_alias);
385 write!(f, "{}", type_alias.name)?;
386 if self.parameters.len() > 0 {
387 write!(f, "<")?;
388 f.write_joined(&*self.parameters.0, ", ")?;
389 write!(f, ">")?;
390 }
391 }
383 TypeCtor::OpaqueType(opaque_ty_id) => { 392 TypeCtor::OpaqueType(opaque_ty_id) => {
384 match opaque_ty_id { 393 match opaque_ty_id {
385 OpaqueTyId::ReturnTypeImplTrait(func, idx) => { 394 OpaqueTyId::ReturnTypeImplTrait(func, idx) => {
diff --git a/crates/hir_ty/src/lib.rs b/crates/hir_ty/src/lib.rs
index f16d1fc97..768d95eff 100644
--- a/crates/hir_ty/src/lib.rs
+++ b/crates/hir_ty/src/lib.rs
@@ -134,6 +134,9 @@ pub enum TypeCtor {
134 /// representing the Future::Output type. 134 /// representing the Future::Output type.
135 OpaqueType(OpaqueTyId), 135 OpaqueType(OpaqueTyId),
136 136
137 /// Represents a foreign type declared in external blocks.
138 ForeignType(TypeAliasId),
139
137 /// The type of a specific closure. 140 /// The type of a specific closure.
138 /// 141 ///
139 /// The closure signature is stored in a `FnPtr` type in the first type 142 /// The closure signature is stored in a `FnPtr` type in the first type
@@ -168,6 +171,10 @@ impl TypeCtor {
168 let generic_params = generics(db.upcast(), type_alias.into()); 171 let generic_params = generics(db.upcast(), type_alias.into());
169 generic_params.len() 172 generic_params.len()
170 } 173 }
174 TypeCtor::ForeignType(type_alias) => {
175 let generic_params = generics(db.upcast(), type_alias.into());
176 generic_params.len()
177 }
171 TypeCtor::OpaqueType(opaque_ty_id) => { 178 TypeCtor::OpaqueType(opaque_ty_id) => {
172 match opaque_ty_id { 179 match opaque_ty_id {
173 OpaqueTyId::ReturnTypeImplTrait(func, _) => { 180 OpaqueTyId::ReturnTypeImplTrait(func, _) => {
@@ -204,6 +211,9 @@ impl TypeCtor {
204 TypeCtor::AssociatedType(type_alias) => { 211 TypeCtor::AssociatedType(type_alias) => {
205 Some(type_alias.lookup(db.upcast()).module(db.upcast()).krate) 212 Some(type_alias.lookup(db.upcast()).module(db.upcast()).krate)
206 } 213 }
214 TypeCtor::ForeignType(type_alias) => {
215 Some(type_alias.lookup(db.upcast()).module(db.upcast()).krate)
216 }
207 TypeCtor::OpaqueType(opaque_ty_id) => match opaque_ty_id { 217 TypeCtor::OpaqueType(opaque_ty_id) => match opaque_ty_id {
208 OpaqueTyId::ReturnTypeImplTrait(func, _) => { 218 OpaqueTyId::ReturnTypeImplTrait(func, _) => {
209 Some(func.lookup(db.upcast()).module(db.upcast()).krate) 219 Some(func.lookup(db.upcast()).module(db.upcast()).krate)
@@ -231,6 +241,7 @@ impl TypeCtor {
231 TypeCtor::Adt(adt) => Some(adt.into()), 241 TypeCtor::Adt(adt) => Some(adt.into()),
232 TypeCtor::FnDef(callable) => Some(callable.into()), 242 TypeCtor::FnDef(callable) => Some(callable.into()),
233 TypeCtor::AssociatedType(type_alias) => Some(type_alias.into()), 243 TypeCtor::AssociatedType(type_alias) => Some(type_alias.into()),
244 TypeCtor::ForeignType(type_alias) => Some(type_alias.into()),
234 TypeCtor::OpaqueType(_impl_trait_id) => None, 245 TypeCtor::OpaqueType(_impl_trait_id) => None,
235 } 246 }
236 } 247 }
diff --git a/crates/hir_ty/src/traits/chalk.rs b/crates/hir_ty/src/traits/chalk.rs
index 57d0a32df..27f0ed628 100644
--- a/crates/hir_ty/src/traits/chalk.rs
+++ b/crates/hir_ty/src/traits/chalk.rs
@@ -23,7 +23,8 @@ use crate::{
23 ProjectionTy, Substs, TraitRef, Ty, TypeCtor, 23 ProjectionTy, Substs, TraitRef, Ty, TypeCtor,
24}; 24};
25use mapping::{ 25use mapping::{
26 convert_where_clauses, generic_predicate_to_inline_bound, make_binders, TypeAliasAsValue, 26 convert_where_clauses, generic_predicate_to_inline_bound, make_binders, TypeAliasAsAssocType,
27 TypeAliasAsValue,
27}; 28};
28 29
29pub use self::interner::*; 30pub use self::interner::*;
@@ -340,7 +341,7 @@ pub(crate) fn associated_ty_data_query(
340 id: AssocTypeId, 341 id: AssocTypeId,
341) -> Arc<AssociatedTyDatum> { 342) -> Arc<AssociatedTyDatum> {
342 debug!("associated_ty_data {:?}", id); 343 debug!("associated_ty_data {:?}", id);
343 let type_alias: TypeAliasId = from_chalk(db, id); 344 let type_alias: TypeAliasId = from_chalk::<TypeAliasAsAssocType, _>(db, id).0;
344 let trait_ = match type_alias.lookup(db.upcast()).container { 345 let trait_ = match type_alias.lookup(db.upcast()).container {
345 AssocContainerId::TraitId(t) => t, 346 AssocContainerId::TraitId(t) => t,
346 _ => panic!("associated type not in trait"), 347 _ => panic!("associated type not in trait"),
@@ -394,8 +395,10 @@ pub(crate) fn trait_datum_query(
394 fundamental: false, 395 fundamental: false,
395 }; 396 };
396 let where_clauses = convert_where_clauses(db, trait_.into(), &bound_vars); 397 let where_clauses = convert_where_clauses(db, trait_.into(), &bound_vars);
397 let associated_ty_ids = 398 let associated_ty_ids = trait_data
398 trait_data.associated_types().map(|type_alias| type_alias.to_chalk(db)).collect(); 399 .associated_types()
400 .map(|type_alias| TypeAliasAsAssocType(type_alias).to_chalk(db))
401 .collect();
399 let trait_datum_bound = rust_ir::TraitDatumBound { where_clauses }; 402 let trait_datum_bound = rust_ir::TraitDatumBound { where_clauses };
400 let well_known = 403 let well_known =
401 lang_attr(db.upcast(), trait_).and_then(|name| well_known_trait_from_lang_attr(&name)); 404 lang_attr(db.upcast(), trait_).and_then(|name| well_known_trait_from_lang_attr(&name));
@@ -433,6 +436,7 @@ fn lang_attr_from_well_known_trait(attr: WellKnownTrait) -> &'static str {
433 WellKnownTrait::FnMut => "fn_mut", 436 WellKnownTrait::FnMut => "fn_mut",
434 WellKnownTrait::Fn => "fn", 437 WellKnownTrait::Fn => "fn",
435 WellKnownTrait::Unsize => "unsize", 438 WellKnownTrait::Unsize => "unsize",
439 WellKnownTrait::Unpin => "unpin",
436 } 440 }
437} 441}
438 442
@@ -576,7 +580,7 @@ fn type_alias_associated_ty_value(
576 let value_bound = rust_ir::AssociatedTyValueBound { ty: ty.value.to_chalk(db) }; 580 let value_bound = rust_ir::AssociatedTyValueBound { ty: ty.value.to_chalk(db) };
577 let value = rust_ir::AssociatedTyValue { 581 let value = rust_ir::AssociatedTyValue {
578 impl_id: impl_id.to_chalk(db), 582 impl_id: impl_id.to_chalk(db),
579 associated_ty_id: assoc_ty.to_chalk(db), 583 associated_ty_id: TypeAliasAsAssocType(assoc_ty).to_chalk(db),
580 value: make_binders(value_bound, ty.num_binders), 584 value: make_binders(value_bound, ty.num_binders),
581 }; 585 };
582 Arc::new(value) 586 Arc::new(value)
@@ -611,9 +615,11 @@ pub(crate) fn fn_def_datum_query(
611 }; 615 };
612 let datum = FnDefDatum { 616 let datum = FnDefDatum {
613 id: fn_def_id, 617 id: fn_def_id,
614 abi: (), 618 sig: chalk_ir::FnSig {
615 safety: chalk_ir::Safety::Safe, 619 abi: (),
616 variadic: sig.value.is_varargs, 620 safety: chalk_ir::Safety::Safe,
621 variadic: sig.value.is_varargs,
622 },
617 binders: make_binders(bound, sig.num_binders), 623 binders: make_binders(bound, sig.num_binders),
618 }; 624 };
619 Arc::new(datum) 625 Arc::new(datum)
diff --git a/crates/hir_ty/src/traits/chalk/interner.rs b/crates/hir_ty/src/traits/chalk/interner.rs
index eb35db3ff..f9304b7d0 100644
--- a/crates/hir_ty/src/traits/chalk/interner.rs
+++ b/crates/hir_ty/src/traits/chalk/interner.rs
@@ -12,6 +12,7 @@ pub struct Interner;
12 12
13pub type AssocTypeId = chalk_ir::AssocTypeId<Interner>; 13pub type AssocTypeId = chalk_ir::AssocTypeId<Interner>;
14pub type AssociatedTyDatum = chalk_solve::rust_ir::AssociatedTyDatum<Interner>; 14pub type AssociatedTyDatum = chalk_solve::rust_ir::AssociatedTyDatum<Interner>;
15pub type ForeignDefId = chalk_ir::ForeignDefId<Interner>;
15pub type TraitId = chalk_ir::TraitId<Interner>; 16pub type TraitId = chalk_ir::TraitId<Interner>;
16pub type TraitDatum = chalk_solve::rust_ir::TraitDatum<Interner>; 17pub type TraitDatum = chalk_solve::rust_ir::TraitDatum<Interner>;
17pub type AdtId = chalk_ir::AdtId<Interner>; 18pub type AdtId = chalk_ir::AdtId<Interner>;
diff --git a/crates/hir_ty/src/traits/chalk/mapping.rs b/crates/hir_ty/src/traits/chalk/mapping.rs
index d6bacba1d..d42f4bba9 100644
--- a/crates/hir_ty/src/traits/chalk/mapping.rs
+++ b/crates/hir_ty/src/traits/chalk/mapping.rs
@@ -34,9 +34,11 @@ impl ToChalk for Ty {
34 let substitution = apply_ty.parameters.to_chalk(db).shifted_in(&Interner); 34 let substitution = apply_ty.parameters.to_chalk(db).shifted_in(&Interner);
35 chalk_ir::TyData::Function(chalk_ir::FnPointer { 35 chalk_ir::TyData::Function(chalk_ir::FnPointer {
36 num_binders: 0, 36 num_binders: 0,
37 abi: (), 37 sig: chalk_ir::FnSig {
38 safety: chalk_ir::Safety::Safe, 38 abi: (),
39 variadic: is_varargs, 39 safety: chalk_ir::Safety::Safe,
40 variadic: is_varargs,
41 },
40 substitution, 42 substitution,
41 }) 43 })
42 .intern(&Interner) 44 .intern(&Interner)
@@ -48,7 +50,7 @@ impl ToChalk for Ty {
48 } 50 }
49 }, 51 },
50 Ty::Projection(proj_ty) => { 52 Ty::Projection(proj_ty) => {
51 let associated_ty_id = proj_ty.associated_ty.to_chalk(db); 53 let associated_ty_id = TypeAliasAsAssocType(proj_ty.associated_ty).to_chalk(db);
52 let substitution = proj_ty.parameters.to_chalk(db); 54 let substitution = proj_ty.parameters.to_chalk(db);
53 chalk_ir::AliasTy::Projection(chalk_ir::ProjectionTy { 55 chalk_ir::AliasTy::Projection(chalk_ir::ProjectionTy {
54 associated_ty_id, 56 associated_ty_id,
@@ -114,7 +116,8 @@ impl ToChalk for Ty {
114 Ty::Placeholder(db.lookup_intern_type_param_id(interned_id)) 116 Ty::Placeholder(db.lookup_intern_type_param_id(interned_id))
115 } 117 }
116 chalk_ir::TyData::Alias(chalk_ir::AliasTy::Projection(proj)) => { 118 chalk_ir::TyData::Alias(chalk_ir::AliasTy::Projection(proj)) => {
117 let associated_ty = from_chalk(db, proj.associated_ty_id); 119 let associated_ty =
120 from_chalk::<TypeAliasAsAssocType, _>(db, proj.associated_ty_id).0;
118 let parameters = from_chalk(db, proj.substitution); 121 let parameters = from_chalk(db, proj.substitution);
119 Ty::Projection(ProjectionTy { associated_ty, parameters }) 122 Ty::Projection(ProjectionTy { associated_ty, parameters })
120 } 123 }
@@ -125,7 +128,7 @@ impl ToChalk for Ty {
125 } 128 }
126 chalk_ir::TyData::Function(chalk_ir::FnPointer { 129 chalk_ir::TyData::Function(chalk_ir::FnPointer {
127 num_binders, 130 num_binders,
128 variadic, 131 sig: chalk_ir::FnSig { variadic, .. },
129 substitution, 132 substitution,
130 .. 133 ..
131 }) => { 134 }) => {
@@ -290,8 +293,9 @@ impl ToChalk for TypeCtor {
290 fn to_chalk(self, db: &dyn HirDatabase) -> TypeName<Interner> { 293 fn to_chalk(self, db: &dyn HirDatabase) -> TypeName<Interner> {
291 match self { 294 match self {
292 TypeCtor::AssociatedType(type_alias) => { 295 TypeCtor::AssociatedType(type_alias) => {
293 let type_id = type_alias.to_chalk(db); 296 let assoc_type = TypeAliasAsAssocType(type_alias);
294 TypeName::AssociatedType(type_id) 297 let assoc_type_id = assoc_type.to_chalk(db);
298 TypeName::AssociatedType(assoc_type_id)
295 } 299 }
296 300
297 TypeCtor::OpaqueType(impl_trait_id) => { 301 TypeCtor::OpaqueType(impl_trait_id) => {
@@ -299,6 +303,12 @@ impl ToChalk for TypeCtor {
299 TypeName::OpaqueType(id) 303 TypeName::OpaqueType(id)
300 } 304 }
301 305
306 TypeCtor::ForeignType(type_alias) => {
307 let foreign_type = TypeAliasAsForeignType(type_alias);
308 let foreign_type_id = foreign_type.to_chalk(db);
309 TypeName::Foreign(foreign_type_id)
310 }
311
302 TypeCtor::Bool => TypeName::Scalar(Scalar::Bool), 312 TypeCtor::Bool => TypeName::Scalar(Scalar::Bool),
303 TypeCtor::Char => TypeName::Scalar(Scalar::Char), 313 TypeCtor::Char => TypeName::Scalar(Scalar::Char),
304 TypeCtor::Int(int_ty) => TypeName::Scalar(int_ty_to_chalk(int_ty)), 314 TypeCtor::Int(int_ty) => TypeName::Scalar(int_ty_to_chalk(int_ty)),
@@ -339,7 +349,9 @@ impl ToChalk for TypeCtor {
339 fn from_chalk(db: &dyn HirDatabase, type_name: TypeName<Interner>) -> TypeCtor { 349 fn from_chalk(db: &dyn HirDatabase, type_name: TypeName<Interner>) -> TypeCtor {
340 match type_name { 350 match type_name {
341 TypeName::Adt(struct_id) => TypeCtor::Adt(struct_id.0), 351 TypeName::Adt(struct_id) => TypeCtor::Adt(struct_id.0),
342 TypeName::AssociatedType(type_id) => TypeCtor::AssociatedType(from_chalk(db, type_id)), 352 TypeName::AssociatedType(type_id) => {
353 TypeCtor::AssociatedType(from_chalk::<TypeAliasAsAssocType, _>(db, type_id).0)
354 }
343 TypeName::OpaqueType(opaque_type_id) => { 355 TypeName::OpaqueType(opaque_type_id) => {
344 TypeCtor::OpaqueType(from_chalk(db, opaque_type_id)) 356 TypeCtor::OpaqueType(from_chalk(db, opaque_type_id))
345 } 357 }
@@ -379,6 +391,10 @@ impl ToChalk for TypeCtor {
379 TypeCtor::Closure { def, expr } 391 TypeCtor::Closure { def, expr }
380 } 392 }
381 393
394 TypeName::Foreign(foreign_def_id) => {
395 TypeCtor::ForeignType(from_chalk::<TypeAliasAsForeignType, _>(db, foreign_def_id).0)
396 }
397
382 TypeName::Error => { 398 TypeName::Error => {
383 // this should not be reached, since we don't represent TypeName::Error with TypeCtor 399 // this should not be reached, since we don't represent TypeName::Error with TypeCtor
384 unreachable!() 400 unreachable!()
@@ -488,15 +504,31 @@ impl ToChalk for CallableDefId {
488 } 504 }
489} 505}
490 506
491impl ToChalk for TypeAliasId { 507pub struct TypeAliasAsAssocType(pub TypeAliasId);
508
509impl ToChalk for TypeAliasAsAssocType {
492 type Chalk = AssocTypeId; 510 type Chalk = AssocTypeId;
493 511
494 fn to_chalk(self, _db: &dyn HirDatabase) -> AssocTypeId { 512 fn to_chalk(self, _db: &dyn HirDatabase) -> AssocTypeId {
495 chalk_ir::AssocTypeId(self.as_intern_id()) 513 chalk_ir::AssocTypeId(self.0.as_intern_id())
514 }
515
516 fn from_chalk(_db: &dyn HirDatabase, assoc_type_id: AssocTypeId) -> TypeAliasAsAssocType {
517 TypeAliasAsAssocType(InternKey::from_intern_id(assoc_type_id.0))
518 }
519}
520
521pub struct TypeAliasAsForeignType(pub TypeAliasId);
522
523impl ToChalk for TypeAliasAsForeignType {
524 type Chalk = ForeignDefId;
525
526 fn to_chalk(self, _db: &dyn HirDatabase) -> ForeignDefId {
527 chalk_ir::ForeignDefId(self.0.as_intern_id())
496 } 528 }
497 529
498 fn from_chalk(_db: &dyn HirDatabase, type_alias_id: AssocTypeId) -> TypeAliasId { 530 fn from_chalk(_db: &dyn HirDatabase, foreign_def_id: ForeignDefId) -> TypeAliasAsForeignType {
499 InternKey::from_intern_id(type_alias_id.0) 531 TypeAliasAsForeignType(InternKey::from_intern_id(foreign_def_id.0))
500 } 532 }
501} 533}
502 534
@@ -580,7 +612,7 @@ impl ToChalk for ProjectionTy {
580 612
581 fn to_chalk(self, db: &dyn HirDatabase) -> chalk_ir::ProjectionTy<Interner> { 613 fn to_chalk(self, db: &dyn HirDatabase) -> chalk_ir::ProjectionTy<Interner> {
582 chalk_ir::ProjectionTy { 614 chalk_ir::ProjectionTy {
583 associated_ty_id: self.associated_ty.to_chalk(db), 615 associated_ty_id: TypeAliasAsAssocType(self.associated_ty).to_chalk(db),
584 substitution: self.parameters.to_chalk(db), 616 substitution: self.parameters.to_chalk(db),
585 } 617 }
586 } 618 }
@@ -590,7 +622,11 @@ impl ToChalk for ProjectionTy {
590 projection_ty: chalk_ir::ProjectionTy<Interner>, 622 projection_ty: chalk_ir::ProjectionTy<Interner>,
591 ) -> ProjectionTy { 623 ) -> ProjectionTy {
592 ProjectionTy { 624 ProjectionTy {
593 associated_ty: from_chalk(db, projection_ty.associated_ty_id), 625 associated_ty: from_chalk::<TypeAliasAsAssocType, _>(
626 db,
627 projection_ty.associated_ty_id,
628 )
629 .0,
594 parameters: from_chalk(db, projection_ty.substitution), 630 parameters: from_chalk(db, projection_ty.substitution),
595 } 631 }
596 } 632 }
@@ -789,7 +825,8 @@ pub(super) fn generic_predicate_to_inline_bound(
789 let alias_eq_bound = rust_ir::AliasEqBound { 825 let alias_eq_bound = rust_ir::AliasEqBound {
790 value: proj.ty.clone().to_chalk(db), 826 value: proj.ty.clone().to_chalk(db),
791 trait_bound: rust_ir::TraitBound { trait_id: trait_.to_chalk(db), args_no_self }, 827 trait_bound: rust_ir::TraitBound { trait_id: trait_.to_chalk(db), args_no_self },
792 associated_ty_id: proj.projection_ty.associated_ty.to_chalk(db), 828 associated_ty_id: TypeAliasAsAssocType(proj.projection_ty.associated_ty)
829 .to_chalk(db),
793 parameters: Vec::new(), // FIXME we don't support generic associated types yet 830 parameters: Vec::new(), // FIXME we don't support generic associated types yet
794 }; 831 };
795 Some(rust_ir::InlineBound::AliasEqBound(alias_eq_bound)) 832 Some(rust_ir::InlineBound::AliasEqBound(alias_eq_bound))
diff --git a/crates/hir_ty/src/traits/chalk/tls.rs b/crates/hir_ty/src/traits/chalk/tls.rs
index cb6b0fe81..b4568cff6 100644
--- a/crates/hir_ty/src/traits/chalk/tls.rs
+++ b/crates/hir_ty/src/traits/chalk/tls.rs
@@ -4,7 +4,7 @@ use std::fmt;
4use chalk_ir::{AliasTy, GenericArg, Goal, Goals, Lifetime, ProgramClauseImplication, TypeName}; 4use chalk_ir::{AliasTy, GenericArg, Goal, Goals, Lifetime, ProgramClauseImplication, TypeName};
5use itertools::Itertools; 5use itertools::Itertools;
6 6
7use super::{from_chalk, Interner}; 7use super::{from_chalk, Interner, TypeAliasAsAssocType};
8use crate::{db::HirDatabase, CallableDefId, TypeCtor}; 8use crate::{db::HirDatabase, CallableDefId, TypeCtor};
9use hir_def::{AdtId, AssocContainerId, DefWithBodyId, Lookup, TypeAliasId}; 9use hir_def::{AdtId, AssocContainerId, DefWithBodyId, Lookup, TypeAliasId};
10 10
@@ -77,6 +77,10 @@ impl DebugContext<'_> {
77 write!(f, "{{impl trait of async block {} of {:?}}}", idx.into_raw(), def)?; 77 write!(f, "{{impl trait of async block {} of {:?}}}", idx.into_raw(), def)?;
78 } 78 }
79 }, 79 },
80 TypeCtor::ForeignType(type_alias) => {
81 let name = self.0.type_alias_data(type_alias).name.clone();
82 write!(f, "{}", name)?;
83 }
80 TypeCtor::Closure { def, expr } => { 84 TypeCtor::Closure { def, expr } => {
81 write!(f, "{{closure {:?} in ", expr.into_raw())?; 85 write!(f, "{{closure {:?} in ", expr.into_raw())?;
82 match def { 86 match def {
@@ -119,7 +123,7 @@ impl DebugContext<'_> {
119 id: super::AssocTypeId, 123 id: super::AssocTypeId,
120 fmt: &mut fmt::Formatter<'_>, 124 fmt: &mut fmt::Formatter<'_>,
121 ) -> Result<(), fmt::Error> { 125 ) -> Result<(), fmt::Error> {
122 let type_alias: TypeAliasId = from_chalk(self.0, id); 126 let type_alias: TypeAliasId = from_chalk::<TypeAliasAsAssocType, _>(self.0, id).0;
123 let type_alias_data = self.0.type_alias_data(type_alias); 127 let type_alias_data = self.0.type_alias_data(type_alias);
124 let trait_ = match type_alias.lookup(self.0.upcast()).container { 128 let trait_ = match type_alias.lookup(self.0.upcast()).container {
125 AssocContainerId::TraitId(t) => t, 129 AssocContainerId::TraitId(t) => t,
@@ -153,7 +157,8 @@ impl DebugContext<'_> {
153 projection_ty: &chalk_ir::ProjectionTy<Interner>, 157 projection_ty: &chalk_ir::ProjectionTy<Interner>,
154 fmt: &mut fmt::Formatter<'_>, 158 fmt: &mut fmt::Formatter<'_>,
155 ) -> Result<(), fmt::Error> { 159 ) -> Result<(), fmt::Error> {
156 let type_alias: TypeAliasId = from_chalk(self.0, projection_ty.associated_ty_id); 160 let type_alias: TypeAliasId =
161 from_chalk::<TypeAliasAsAssocType, _>(self.0, projection_ty.associated_ty_id).0;
157 let type_alias_data = self.0.type_alias_data(type_alias); 162 let type_alias_data = self.0.type_alias_data(type_alias);
158 let trait_ = match type_alias.lookup(self.0.upcast()).container { 163 let trait_ = match type_alias.lookup(self.0.upcast()).container {
159 AssocContainerId::TraitId(t) => t, 164 AssocContainerId::TraitId(t) => t,