Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir/src/lib.rs')
| -rw-r--r-- | crates/hir/src/lib.rs | 184 |
1 files changed, 132 insertions, 52 deletions
diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs index 17767955d4..4342624dd6 100644 --- a/crates/hir/src/lib.rs +++ b/crates/hir/src/lib.rs @@ -82,7 +82,9 @@ use hir_ty::{ method_resolution, mir::{MutBorrowKind, interpret_mir}, next_solver::{ - ClauseKind, DbInterner, GenericArgs, infer::InferCtxt, mapping::ChalkToNextSolver, + ClauseKind, DbInterner, GenericArgs, + infer::InferCtxt, + mapping::{ChalkToNextSolver, NextSolverToChalk, convert_ty_for_result}, }, primitive::UintTy, traits::FnTrait, @@ -863,10 +865,13 @@ impl Module { .collect(); if !missing.is_empty() { - let self_ty = db.impl_self_ty(impl_def.id).substitute( - Interner, - &hir_ty::generics::generics(db, impl_def.id.into()).placeholder_subst(db), - ); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = + hir_ty::generics::generics(db, impl_def.id.into()) + .placeholder_subst(db) + .to_nextsolver(interner); + let self_ty = + db.impl_self_ty(impl_def.id).instantiate(interner, args).to_chalk(interner); let self_ty = if let TyKind::Alias(AliasTy::Projection(projection)) = self_ty.kind(Interner) { @@ -1342,19 +1347,12 @@ impl Field { u32::from(self.id.into_raw()) as usize } - /// Returns the type as in the signature of the struct (i.e., with - /// placeholder types for type parameters). Only use this in the context of - /// the field definition. - pub fn ty<'db>(&self, db: &'db dyn HirDatabase) -> Type<'db> { + /// Returns the type as in the signature of the struct. Only use this in the + /// context of the field definition. + pub fn ty<'db>(&self, db: &'db dyn HirDatabase) -> TypeNs<'db> { let var_id = self.parent.into(); - let generic_def_id: GenericDefId = match self.parent { - VariantDef::Struct(it) => it.id.into(), - VariantDef::Union(it) => it.id.into(), - VariantDef::Variant(it) => it.id.lookup(db).parent.into(), - }; - let substs = TyBuilder::placeholder_subst(db, generic_def_id); - let ty = db.field_types(var_id)[self.id].clone().substitute(Interner, &substs); - Type::new(db, var_id, ty) + let ty = db.field_types_ns(var_id)[self.id].skip_binder(); + TypeNs::new(db, var_id, ty) } // FIXME: Find better API to also handle const generics @@ -1384,9 +1382,8 @@ impl Field { } pub fn layout(&self, db: &dyn HirDatabase) -> Result<Layout, LayoutError> { - let interner = DbInterner::new_with(db, None, None); db.layout_of_ty( - self.ty(db).ty.to_nextsolver(interner), + self.ty(db).ty, db.trait_environment(match hir_def::VariantId::from(self.parent) { hir_def::VariantId::EnumVariantId(id) => { GenericDefId::AdtId(id.lookup(db).parent.into()) @@ -1506,7 +1503,7 @@ impl<'db> InstantiatedStruct<'db> { let krate = self.inner.krate(db); let interner = DbInterner::new_with(db, Some(krate.base()), None); - let ty = db.ty_ns(self.inner.id.into()); + let ty = db.ty(self.inner.id.into()); TypeNs::new(db, self.inner.id, ty.instantiate(interner, self.args)) } } @@ -1666,7 +1663,7 @@ impl<'db> InstantiatedEnum<'db> { let krate = self.inner.krate(db); let interner = DbInterner::new_with(db, Some(krate.base()), None); - let ty = db.ty_ns(self.inner.id.into()); + let ty = db.ty(self.inner.id.into()); TypeNs::new(db, self.inner.id, ty.instantiate(interner, self.args)) } } @@ -1853,7 +1850,8 @@ impl Adt { ParamKind::Lifetime => error_lifetime().cast(Interner), } }) - .build(); + .build(DbInterner::conjure()) + .to_chalk(DbInterner::conjure()); Type::new(db, id, ty) } @@ -2288,7 +2286,13 @@ impl Function { pub fn fn_ptr_type(self, db: &dyn HirDatabase) -> Type<'_> { let resolver = self.id.resolver(db); let substs = TyBuilder::placeholder_subst(db, self.id); - let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let callable_sig = db + .callable_item_signature(self.id.into()) + .instantiate(interner, args) + .skip_binder() + .to_chalk(interner); let ty = TyKind::Function(callable_sig.to_fn_ptr()).intern(Interner); Type::new_with_resolver_inner(db, &resolver, ty) } @@ -2297,8 +2301,14 @@ impl Function { pub fn ret_type(self, db: &dyn HirDatabase) -> Type<'_> { let resolver = self.id.resolver(db); let substs = TyBuilder::placeholder_subst(db, self.id); - let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs); - let ty = callable_sig.ret().clone(); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let ty = db + .callable_item_signature(self.id.into()) + .instantiate(interner, args) + .skip_binder() + .output() + .to_chalk(interner); Type::new_with_resolver_inner(db, &resolver, ty) } @@ -2327,8 +2337,14 @@ impl Function { parent_id.map(|id| TyBuilder::subst_for_def(db, id, None).fill(&mut filler).build()); let substs = TyBuilder::subst_for_def(db, self.id, parent_substs).fill(&mut filler).build(); - let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs); - let ty = callable_sig.ret().clone(); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let ty = db + .callable_item_signature(self.id.into()) + .instantiate(interner, args) + .skip_binder() + .output() + .to_chalk(interner); Type::new_with_resolver_inner(db, &resolver, ty) } @@ -2338,8 +2354,14 @@ impl Function { } let resolver = self.id.resolver(db); let substs = TyBuilder::placeholder_subst(db, self.id); - let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs); - let ret_ty = callable_sig.ret().clone(); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let ret_ty = db + .callable_item_signature(self.id.into()) + .instantiate(interner, args) + .skip_binder() + .output() + .to_chalk(interner); for pred in ret_ty.impl_trait_bounds(db).into_iter().flatten() { if let WhereClause::AliasEq(output_eq) = pred.into_value_and_skipped_binders().0 { return Type::new_with_resolver_inner(db, &resolver, output_eq.ty).into(); @@ -2359,7 +2381,13 @@ impl Function { pub fn assoc_fn_params(self, db: &dyn HirDatabase) -> Vec<Param<'_>> { let environment = db.trait_environment(self.id.into()); let substs = TyBuilder::placeholder_subst(db, self.id); - let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let callable_sig = db + .callable_item_signature(self.id.into()) + .instantiate(interner, args) + .skip_binder() + .to_chalk(interner); callable_sig .params() .iter() @@ -2387,7 +2415,13 @@ impl Function { pub fn params_without_self(self, db: &dyn HirDatabase) -> Vec<Param<'_>> { let environment = db.trait_environment(self.id.into()); let substs = TyBuilder::placeholder_subst(db, self.id); - let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let callable_sig = db + .callable_item_signature(self.id.into()) + .instantiate(interner, args) + .skip_binder() + .to_chalk(interner); let skip = if db.function_signature(self.id).has_self_param() { 1 } else { 0 }; callable_sig .params() @@ -2437,7 +2471,13 @@ impl Function { GenericArg::new(Interner, GenericArgData::Ty(ty)) }) .build(); - let callable_sig = db.callable_item_signature(self.id.into()).substitute(Interner, &substs); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let callable_sig = db + .callable_item_signature(self.id.into()) + .instantiate(interner, args) + .skip_binder() + .to_chalk(interner); let skip = if db.function_signature(self.id).has_self_param() { 1 } else { 0 }; callable_sig .params() @@ -2732,8 +2772,13 @@ impl SelfParam { pub fn ty<'db>(&self, db: &'db dyn HirDatabase) -> Type<'db> { let substs = TyBuilder::placeholder_subst(db, self.func); - let callable_sig = - db.callable_item_signature(self.func.into()).substitute(Interner, &substs); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let callable_sig = db + .callable_item_signature(self.func.into()) + .instantiate(interner, args) + .skip_binder() + .to_chalk(interner); let environment = db.trait_environment(self.func.into()); let ty = callable_sig.params()[0].clone(); Type { env: environment, ty, _pd: PhantomCovariantLifetime::new() } @@ -2765,8 +2810,13 @@ impl SelfParam { let parent_substs = TyBuilder::subst_for_def(db, parent_id, None).fill(&mut filler).build(); let substs = TyBuilder::subst_for_def(db, self.func, Some(parent_substs)).fill(&mut filler).build(); - let callable_sig = - db.callable_item_signature(self.func.into()).substitute(Interner, &substs); + let interner = DbInterner::new_with(db, None, None); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let callable_sig = db + .callable_item_signature(self.func.into()) + .instantiate(interner, args) + .skip_binder() + .to_chalk(interner); let environment = db.trait_environment(self.func.into()); let ty = callable_sig.params()[0].clone(); Type { env: environment, ty, _pd: PhantomCovariantLifetime::new() } @@ -3770,7 +3820,7 @@ impl GenericDef { push_ty_diagnostics( db, acc, - db.generic_predicates_without_parent_with_diagnostics_ns(def).1, + db.generic_predicates_without_parent_with_diagnostics(def).1, &source_map, ); for (param_id, param) in generics.iter_type_or_consts() { @@ -3810,12 +3860,12 @@ impl GenericDef { pub struct GenericSubstitution<'db> { def: GenericDefId, subst: Substitution, - env: Arc<TraitEnvironment>, + env: Arc<TraitEnvironment<'db>>, _pd: PhantomCovariantLifetime<'db>, } impl<'db> GenericSubstitution<'db> { - fn new(def: GenericDefId, subst: Substitution, env: Arc<TraitEnvironment>) -> Self { + fn new(def: GenericDefId, subst: Substitution, env: Arc<TraitEnvironment<'db>>) -> Self { Self { def, subst, env, _pd: PhantomCovariantLifetime::new() } } @@ -4495,21 +4545,23 @@ impl Impl { } pub fn trait_(self, db: &dyn HirDatabase) -> Option<Trait> { - let trait_ref = db.impl_trait_ns(self.id)?; + let trait_ref = db.impl_trait(self.id)?; let id = trait_ref.skip_binder().def_id; Some(Trait { id: id.0 }) } pub fn trait_ref(self, db: &dyn HirDatabase) -> Option<TraitRef<'_>> { - let trait_ref = db.impl_trait_ns(self.id)?.instantiate_identity(); + let trait_ref = db.impl_trait(self.id)?.instantiate_identity(); let resolver = self.id.resolver(db); Some(TraitRef::new_with_resolver(db, &resolver, trait_ref)) } pub fn self_ty(self, db: &dyn HirDatabase) -> Type<'_> { let resolver = self.id.resolver(db); + let interner = DbInterner::new_with(db, Some(resolver.krate()), None); let substs = TyBuilder::placeholder_subst(db, self.id); - let ty = db.impl_self_ty(self.id).substitute(Interner, &substs); + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + let ty = db.impl_self_ty(self.id).instantiate(interner, args).to_chalk(interner); Type::new_with_resolver_inner(db, &resolver, ty) } @@ -4569,7 +4621,7 @@ impl Impl { #[derive(Clone, PartialEq, Eq, Debug, Hash)] pub struct TraitRef<'db> { - env: Arc<TraitEnvironment>, + env: Arc<TraitEnvironment<'db>>, trait_ref: hir_ty::next_solver::TraitRef<'db>, _pd: PhantomCovariantLifetime<'db>, } @@ -4792,7 +4844,7 @@ impl CaptureUsageSource { #[derive(Clone, PartialEq, Eq, Debug, Hash)] pub struct Type<'db> { - env: Arc<TraitEnvironment>, + env: Arc<TraitEnvironment<'db>>, ty: Ty, _pd: PhantomCovariantLifetime<'db>, } @@ -4830,32 +4882,40 @@ impl<'db> Type<'db> { } fn from_def(db: &'db dyn HirDatabase, def: impl Into<TyDefId> + HasResolver) -> Self { + let interner = DbInterner::new_with(db, None, None); let ty = db.ty(def.into()); let substs = TyBuilder::unknown_subst( db, match def.into() { TyDefId::AdtId(it) => GenericDefId::AdtId(it), TyDefId::TypeAliasId(it) => GenericDefId::TypeAliasId(it), - TyDefId::BuiltinType(_) => return Type::new(db, def, ty.skip_binders().clone()), + TyDefId::BuiltinType(_) => { + return Type::new(db, def, ty.skip_binder().to_chalk(interner)); + } }, ); - Type::new(db, def, ty.substitute(Interner, &substs)) + let args: hir_ty::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + Type::new(db, def, ty.instantiate(interner, args).to_chalk(interner)) } fn from_def_placeholders( db: &'db dyn HirDatabase, def: impl Into<TyDefId> + HasResolver, ) -> Self { + let interner = DbInterner::new_with(db, None, None); let ty = db.ty(def.into()); let substs = TyBuilder::placeholder_subst( db, match def.into() { TyDefId::AdtId(it) => GenericDefId::AdtId(it), TyDefId::TypeAliasId(it) => GenericDefId::TypeAliasId(it), - TyDefId::BuiltinType(_) => return Type::new(db, def, ty.skip_binders().clone()), + TyDefId::BuiltinType(_) => { + return Type::new(db, def, ty.skip_binder().to_chalk(interner)); + } }, ); - Type::new(db, def, ty.substitute(Interner, &substs)) + let args: hir_ty::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + Type::new(db, def, ty.instantiate(interner, args).to_chalk(interner)) } fn from_value_def( @@ -4865,6 +4925,7 @@ impl<'db> Type<'db> { let Some(ty) = db.value_ty(def.into()) else { return Type::new(db, def, TyKind::Error.intern(Interner)); }; + let interner = DbInterner::new_with(db, None, None); let substs = TyBuilder::unknown_subst( db, match def.into() { @@ -4875,10 +4936,13 @@ impl<'db> Type<'db> { ValueTyDefId::EnumVariantId(it) => { GenericDefId::AdtId(AdtId::EnumId(it.lookup(db).parent)) } - ValueTyDefId::StaticId(_) => return Type::new(db, def, ty.skip_binders().clone()), + ValueTyDefId::StaticId(_) => { + return Type::new(db, def, ty.skip_binder().to_chalk(interner)); + } }, ); - Type::new(db, def, ty.substitute(Interner, &substs)) + let args: crate::next_solver::GenericArgs<'_> = substs.to_nextsolver(interner); + Type::new(db, def, ty.instantiate(interner, args).to_chalk(interner)) } pub fn new_slice(ty: Self) -> Self { @@ -5173,7 +5237,14 @@ impl<'db> Type<'db> { .build(); let goal = Canonical { - value: hir_ty::InEnvironment::new(&self.env.env, trait_ref.cast(Interner)), + value: hir_ty::InEnvironment::new( + &self.env.env.to_chalk(DbInterner::new_with( + db, + Some(self.env.krate), + self.env.block, + )), + trait_ref.cast(Interner), + ), binders: CanonicalVarKinds::empty(Interner), }; @@ -5947,7 +6018,7 @@ impl<'db> Type<'db> { #[derive(Clone, PartialEq, Eq, Debug, Hash)] pub struct TypeNs<'db> { - env: Arc<TraitEnvironment>, + env: Arc<TraitEnvironment<'db>>, ty: hir_ty::next_solver::Ty<'db>, _pd: PhantomCovariantLifetime<'db>, } @@ -5965,6 +6036,11 @@ impl<'db> TypeNs<'db> { TypeNs { env: environment, ty, _pd: PhantomCovariantLifetime::new() } } + pub fn to_type(&self, db: &'db dyn HirDatabase) -> Type<'db> { + let interner = DbInterner::new_with(db, Some(self.env.krate), self.env.block); + Type { env: self.env.clone(), ty: convert_ty_for_result(interner, self.ty), _pd: self._pd } + } + // FIXME: Find better API that also handles const generics pub fn impls_trait(&self, infcx: InferCtxt<'db>, trait_: Trait, args: &[TypeNs<'db>]) -> bool { let args = GenericArgs::new_from_iter( @@ -5988,6 +6064,10 @@ impl<'db> TypeNs<'db> { let res = hir_ty::traits::next_trait_solve_in_ctxt(&infcx, goal); res.map_or(false, |res| matches!(res.1, rustc_type_ir::solve::Certainty::Yes)) } + + pub fn is_bool(&self) -> bool { + matches!(self.ty.kind(), rustc_type_ir::TyKind::Bool) + } } #[derive(Debug, PartialEq, Eq, Copy, Clone, Hash)] |