Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/db.rs')
| -rw-r--r-- | crates/hir-ty/src/db.rs | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/crates/hir-ty/src/db.rs b/crates/hir-ty/src/db.rs new file mode 100644 index 0000000000..de4c153590 --- /dev/null +++ b/crates/hir-ty/src/db.rs @@ -0,0 +1,225 @@ +//! The home of `HirDatabase`, which is the Salsa database containing all the +//! type inference-related queries. + +use std::sync::Arc; + +use arrayvec::ArrayVec; +use base_db::{impl_intern_key, salsa, CrateId, Upcast}; +use hir_def::{ + db::DefDatabase, expr::ExprId, BlockId, ConstId, ConstParamId, DefWithBodyId, FunctionId, + GenericDefId, ImplId, LifetimeParamId, LocalFieldId, TypeOrConstParamId, VariantId, +}; +use la_arena::ArenaMap; + +use crate::{ + chalk_db, + consteval::{ComputedExpr, ConstEvalError}, + method_resolution::{InherentImpls, TraitImpls, TyFingerprint}, + Binders, CallableDefId, FnDefId, GenericArg, ImplTraitId, InferenceResult, Interner, PolyFnSig, + QuantifiedWhereClause, ReturnTypeImplTraits, TraitRef, Ty, TyDefId, ValueTyDefId, +}; +use hir_expand::name::Name; + +#[salsa::query_group(HirDatabaseStorage)] +pub trait HirDatabase: DefDatabase + Upcast<dyn DefDatabase> { + #[salsa::invoke(infer_wait)] + #[salsa::transparent] + fn infer(&self, def: DefWithBodyId) -> Arc<InferenceResult>; + + #[salsa::invoke(crate::infer::infer_query)] + fn infer_query(&self, def: DefWithBodyId) -> Arc<InferenceResult>; + + #[salsa::invoke(crate::lower::ty_query)] + #[salsa::cycle(crate::lower::ty_recover)] + fn ty(&self, def: TyDefId) -> Binders<Ty>; + + #[salsa::invoke(crate::lower::value_ty_query)] + fn value_ty(&self, def: ValueTyDefId) -> Binders<Ty>; + + #[salsa::invoke(crate::lower::impl_self_ty_query)] + #[salsa::cycle(crate::lower::impl_self_ty_recover)] + fn impl_self_ty(&self, def: ImplId) -> Binders<Ty>; + + #[salsa::invoke(crate::lower::const_param_ty_query)] + fn const_param_ty(&self, def: ConstParamId) -> Ty; + + #[salsa::invoke(crate::consteval::const_eval_query)] + #[salsa::cycle(crate::consteval::const_eval_recover)] + fn const_eval(&self, def: ConstId) -> Result<ComputedExpr, ConstEvalError>; + + #[salsa::invoke(crate::lower::impl_trait_query)] + fn impl_trait(&self, def: ImplId) -> Option<Binders<TraitRef>>; + + #[salsa::invoke(crate::lower::field_types_query)] + fn field_types(&self, var: VariantId) -> Arc<ArenaMap<LocalFieldId, Binders<Ty>>>; + + #[salsa::invoke(crate::callable_item_sig)] + fn callable_item_signature(&self, def: CallableDefId) -> PolyFnSig; + + #[salsa::invoke(crate::lower::return_type_impl_traits)] + fn return_type_impl_traits( + &self, + def: FunctionId, + ) -> Option<Arc<Binders<ReturnTypeImplTraits>>>; + + #[salsa::invoke(crate::lower::generic_predicates_for_param_query)] + #[salsa::cycle(crate::lower::generic_predicates_for_param_recover)] + fn generic_predicates_for_param( + &self, + def: GenericDefId, + param_id: TypeOrConstParamId, + assoc_name: Option<Name>, + ) -> Arc<[Binders<QuantifiedWhereClause>]>; + + #[salsa::invoke(crate::lower::generic_predicates_query)] + fn generic_predicates(&self, def: GenericDefId) -> Arc<[Binders<QuantifiedWhereClause>]>; + + #[salsa::invoke(crate::lower::trait_environment_query)] + fn trait_environment(&self, def: GenericDefId) -> Arc<crate::TraitEnvironment>; + + #[salsa::invoke(crate::lower::generic_defaults_query)] + #[salsa::cycle(crate::lower::generic_defaults_recover)] + fn generic_defaults(&self, def: GenericDefId) -> Arc<[Binders<GenericArg>]>; + + #[salsa::invoke(InherentImpls::inherent_impls_in_crate_query)] + fn inherent_impls_in_crate(&self, krate: CrateId) -> Arc<InherentImpls>; + + #[salsa::invoke(InherentImpls::inherent_impls_in_block_query)] + fn inherent_impls_in_block(&self, block: BlockId) -> Option<Arc<InherentImpls>>; + + /// Collects all crates in the dependency graph that have impls for the + /// given fingerprint. This is only used for primitive types; for + /// user-defined types we just look at the crate where the type is defined. + #[salsa::invoke(crate::method_resolution::inherent_impl_crates_query)] + fn inherent_impl_crates(&self, krate: CrateId, fp: TyFingerprint) -> ArrayVec<CrateId, 2>; + + #[salsa::invoke(TraitImpls::trait_impls_in_crate_query)] + fn trait_impls_in_crate(&self, krate: CrateId) -> Arc<TraitImpls>; + + #[salsa::invoke(TraitImpls::trait_impls_in_block_query)] + fn trait_impls_in_block(&self, krate: BlockId) -> Option<Arc<TraitImpls>>; + + #[salsa::invoke(TraitImpls::trait_impls_in_deps_query)] + fn trait_impls_in_deps(&self, krate: CrateId) -> Arc<TraitImpls>; + + // Interned IDs for Chalk integration + #[salsa::interned] + fn intern_callable_def(&self, callable_def: CallableDefId) -> InternedCallableDefId; + #[salsa::interned] + fn intern_type_or_const_param_id( + &self, + param_id: TypeOrConstParamId, + ) -> InternedTypeOrConstParamId; + #[salsa::interned] + fn intern_lifetime_param_id(&self, param_id: LifetimeParamId) -> InternedLifetimeParamId; + #[salsa::interned] + fn intern_impl_trait_id(&self, id: ImplTraitId) -> InternedOpaqueTyId; + #[salsa::interned] + fn intern_closure(&self, id: (DefWithBodyId, ExprId)) -> InternedClosureId; + + #[salsa::invoke(chalk_db::associated_ty_data_query)] + fn associated_ty_data(&self, id: chalk_db::AssocTypeId) -> Arc<chalk_db::AssociatedTyDatum>; + + #[salsa::invoke(chalk_db::trait_datum_query)] + fn trait_datum(&self, krate: CrateId, trait_id: chalk_db::TraitId) + -> Arc<chalk_db::TraitDatum>; + + #[salsa::invoke(chalk_db::struct_datum_query)] + fn struct_datum( + &self, + krate: CrateId, + struct_id: chalk_db::AdtId, + ) -> Arc<chalk_db::StructDatum>; + + #[salsa::invoke(chalk_db::impl_datum_query)] + fn impl_datum(&self, krate: CrateId, impl_id: chalk_db::ImplId) -> Arc<chalk_db::ImplDatum>; + + #[salsa::invoke(chalk_db::fn_def_datum_query)] + fn fn_def_datum(&self, krate: CrateId, fn_def_id: FnDefId) -> Arc<chalk_db::FnDefDatum>; + + #[salsa::invoke(chalk_db::fn_def_variance_query)] + fn fn_def_variance(&self, fn_def_id: FnDefId) -> chalk_db::Variances; + + #[salsa::invoke(chalk_db::adt_variance_query)] + fn adt_variance(&self, adt_id: chalk_db::AdtId) -> chalk_db::Variances; + + #[salsa::invoke(chalk_db::associated_ty_value_query)] + fn associated_ty_value( + &self, + krate: CrateId, + id: chalk_db::AssociatedTyValueId, + ) -> Arc<chalk_db::AssociatedTyValue>; + + #[salsa::invoke(trait_solve_wait)] + #[salsa::transparent] + fn trait_solve( + &self, + krate: CrateId, + goal: crate::Canonical<crate::InEnvironment<crate::Goal>>, + ) -> Option<crate::Solution>; + + #[salsa::invoke(crate::traits::trait_solve_query)] + fn trait_solve_query( + &self, + krate: CrateId, + goal: crate::Canonical<crate::InEnvironment<crate::Goal>>, + ) -> Option<crate::Solution>; + + #[salsa::invoke(chalk_db::program_clauses_for_chalk_env_query)] + fn program_clauses_for_chalk_env( + &self, + krate: CrateId, + env: chalk_ir::Environment<Interner>, + ) -> chalk_ir::ProgramClauses<Interner>; +} + +fn infer_wait(db: &dyn HirDatabase, def: DefWithBodyId) -> Arc<InferenceResult> { + let _p = profile::span("infer:wait").detail(|| match def { + DefWithBodyId::FunctionId(it) => db.function_data(it).name.to_string(), + DefWithBodyId::StaticId(it) => db.static_data(it).name.clone().to_string(), + DefWithBodyId::ConstId(it) => { + db.const_data(it).name.clone().unwrap_or_else(Name::missing).to_string() + } + }); + db.infer_query(def) +} + +fn trait_solve_wait( + db: &dyn HirDatabase, + krate: CrateId, + goal: crate::Canonical<crate::InEnvironment<crate::Goal>>, +) -> Option<crate::Solution> { + let _p = profile::span("trait_solve::wait"); + db.trait_solve_query(krate, goal) +} + +#[test] +fn hir_database_is_object_safe() { + fn _assert_object_safe(_: &dyn HirDatabase) {} +} + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct InternedTypeOrConstParamId(salsa::InternId); +impl_intern_key!(InternedTypeOrConstParamId); + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct InternedLifetimeParamId(salsa::InternId); +impl_intern_key!(InternedLifetimeParamId); + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct InternedConstParamId(salsa::InternId); +impl_intern_key!(InternedConstParamId); + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct InternedOpaqueTyId(salsa::InternId); +impl_intern_key!(InternedOpaqueTyId); + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct InternedClosureId(salsa::InternId); +impl_intern_key!(InternedClosureId); + +/// This exists just for Chalk, because Chalk just has a single `FnDefId` where +/// we have different IDs for struct and enum variant constructors. +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)] +pub struct InternedCallableDefId(salsa::InternId); +impl_intern_key!(InternedCallableDefId); |