188 lines
7.2 KiB
Rust
188 lines
7.2 KiB
Rust
//! The home of `HirDatabase`, which is the Salsa database containing all the
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//! type inference-related queries.
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use std::sync::Arc;
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use base_db::{impl_intern_key, salsa, CrateId, Upcast};
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use hir_def::{
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db::DefDatabase, expr::ExprId, ConstParamId, DefWithBodyId, FunctionId, GenericDefId, ImplId,
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LifetimeParamId, LocalFieldId, TypeParamId, VariantId,
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};
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use la_arena::ArenaMap;
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use crate::{
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chalk_db,
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method_resolution::{InherentImpls, TraitImpls},
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Binders, CallableDefId, FnDefId, ImplTraitId, InferenceResult, Interner, PolyFnSig,
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QuantifiedWhereClause, ReturnTypeImplTraits, TraitRef, Ty, TyDefId, ValueTyDefId,
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};
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use hir_expand::name::Name;
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#[salsa::query_group(HirDatabaseStorage)]
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pub trait HirDatabase: DefDatabase + Upcast<dyn DefDatabase> {
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#[salsa::invoke(infer_wait)]
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#[salsa::transparent]
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fn infer(&self, def: DefWithBodyId) -> Arc<InferenceResult>;
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#[salsa::invoke(crate::infer::infer_query)]
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fn infer_query(&self, def: DefWithBodyId) -> Arc<InferenceResult>;
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#[salsa::invoke(crate::lower::ty_query)]
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#[salsa::cycle(crate::lower::ty_recover)]
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fn ty(&self, def: TyDefId) -> Binders<Ty>;
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#[salsa::invoke(crate::lower::value_ty_query)]
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fn value_ty(&self, def: ValueTyDefId) -> Binders<Ty>;
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#[salsa::invoke(crate::lower::impl_self_ty_query)]
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#[salsa::cycle(crate::lower::impl_self_ty_recover)]
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fn impl_self_ty(&self, def: ImplId) -> Binders<Ty>;
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#[salsa::invoke(crate::lower::const_param_ty_query)]
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fn const_param_ty(&self, def: ConstParamId) -> Ty;
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#[salsa::invoke(crate::lower::impl_trait_query)]
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fn impl_trait(&self, def: ImplId) -> Option<Binders<TraitRef>>;
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#[salsa::invoke(crate::lower::field_types_query)]
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fn field_types(&self, var: VariantId) -> Arc<ArenaMap<LocalFieldId, Binders<Ty>>>;
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#[salsa::invoke(crate::callable_item_sig)]
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fn callable_item_signature(&self, def: CallableDefId) -> PolyFnSig;
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#[salsa::invoke(crate::lower::return_type_impl_traits)]
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fn return_type_impl_traits(
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&self,
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def: FunctionId,
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) -> Option<Arc<Binders<ReturnTypeImplTraits>>>;
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#[salsa::invoke(crate::lower::generic_predicates_for_param_query)]
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#[salsa::cycle(crate::lower::generic_predicates_for_param_recover)]
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fn generic_predicates_for_param(
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&self,
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param_id: TypeParamId,
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) -> Arc<[Binders<QuantifiedWhereClause>]>;
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#[salsa::invoke(crate::lower::generic_predicates_query)]
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fn generic_predicates(&self, def: GenericDefId) -> Arc<[Binders<QuantifiedWhereClause>]>;
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#[salsa::invoke(crate::lower::trait_environment_query)]
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fn trait_environment(&self, def: GenericDefId) -> Arc<crate::TraitEnvironment>;
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#[salsa::invoke(crate::lower::generic_defaults_query)]
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fn generic_defaults(&self, def: GenericDefId) -> Arc<[Binders<Ty>]>;
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#[salsa::invoke(InherentImpls::inherent_impls_in_crate_query)]
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fn inherent_impls_in_crate(&self, krate: CrateId) -> Arc<InherentImpls>;
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#[salsa::invoke(TraitImpls::trait_impls_in_crate_query)]
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fn trait_impls_in_crate(&self, krate: CrateId) -> Arc<TraitImpls>;
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#[salsa::invoke(TraitImpls::trait_impls_in_deps_query)]
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fn trait_impls_in_deps(&self, krate: CrateId) -> Arc<TraitImpls>;
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// Interned IDs for Chalk integration
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#[salsa::interned]
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fn intern_callable_def(&self, callable_def: CallableDefId) -> InternedCallableDefId;
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#[salsa::interned]
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fn intern_type_param_id(&self, param_id: TypeParamId) -> InternedTypeParamId;
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#[salsa::interned]
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fn intern_lifetime_param_id(&self, param_id: LifetimeParamId) -> InternedLifetimeParamId;
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#[salsa::interned]
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fn intern_const_param_id(&self, param_id: ConstParamId) -> InternedConstParamId;
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#[salsa::interned]
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fn intern_impl_trait_id(&self, id: ImplTraitId) -> InternedOpaqueTyId;
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#[salsa::interned]
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fn intern_closure(&self, id: (DefWithBodyId, ExprId)) -> InternedClosureId;
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#[salsa::invoke(chalk_db::associated_ty_data_query)]
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fn associated_ty_data(&self, id: chalk_db::AssocTypeId) -> Arc<chalk_db::AssociatedTyDatum>;
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#[salsa::invoke(chalk_db::trait_datum_query)]
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fn trait_datum(&self, krate: CrateId, trait_id: chalk_db::TraitId)
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-> Arc<chalk_db::TraitDatum>;
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#[salsa::invoke(chalk_db::struct_datum_query)]
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fn struct_datum(
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&self,
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krate: CrateId,
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struct_id: chalk_db::AdtId,
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) -> Arc<chalk_db::StructDatum>;
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#[salsa::invoke(chalk_db::impl_datum_query)]
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fn impl_datum(&self, krate: CrateId, impl_id: chalk_db::ImplId) -> Arc<chalk_db::ImplDatum>;
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#[salsa::invoke(chalk_db::fn_def_datum_query)]
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fn fn_def_datum(&self, krate: CrateId, fn_def_id: FnDefId) -> Arc<chalk_db::FnDefDatum>;
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#[salsa::invoke(chalk_db::fn_def_variance_query)]
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fn fn_def_variance(&self, krate: CrateId, fn_def_id: FnDefId) -> chalk_db::Variances;
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#[salsa::invoke(chalk_db::adt_variance_query)]
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fn adt_variance(&self, krate: CrateId, adt_id: chalk_db::AdtId) -> chalk_db::Variances;
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#[salsa::invoke(chalk_db::associated_ty_value_query)]
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fn associated_ty_value(
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&self,
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krate: CrateId,
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id: chalk_db::AssociatedTyValueId,
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) -> Arc<chalk_db::AssociatedTyValue>;
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#[salsa::invoke(crate::traits::trait_solve_query)]
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fn trait_solve(
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&self,
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krate: CrateId,
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goal: crate::Canonical<crate::InEnvironment<crate::DomainGoal>>,
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) -> Option<crate::Solution>;
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#[salsa::invoke(chalk_db::program_clauses_for_chalk_env_query)]
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fn program_clauses_for_chalk_env(
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&self,
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krate: CrateId,
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env: chalk_ir::Environment<Interner>,
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) -> chalk_ir::ProgramClauses<Interner>;
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}
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fn infer_wait(db: &dyn HirDatabase, def: DefWithBodyId) -> Arc<InferenceResult> {
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let _p = profile::span("infer:wait").detail(|| match def {
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DefWithBodyId::FunctionId(it) => db.function_data(it).name.to_string(),
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DefWithBodyId::StaticId(it) => {
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db.static_data(it).name.clone().unwrap_or_else(Name::missing).to_string()
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}
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DefWithBodyId::ConstId(it) => {
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db.const_data(it).name.clone().unwrap_or_else(Name::missing).to_string()
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}
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});
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db.infer_query(def)
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}
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#[test]
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fn hir_database_is_object_safe() {
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fn _assert_object_safe(_: &dyn HirDatabase) {}
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub struct InternedTypeParamId(salsa::InternId);
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impl_intern_key!(InternedTypeParamId);
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub struct InternedLifetimeParamId(salsa::InternId);
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impl_intern_key!(InternedLifetimeParamId);
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub struct InternedConstParamId(salsa::InternId);
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impl_intern_key!(InternedConstParamId);
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub struct InternedOpaqueTyId(salsa::InternId);
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impl_intern_key!(InternedOpaqueTyId);
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub struct InternedClosureId(salsa::InternId);
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impl_intern_key!(InternedClosureId);
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/// This exists just for Chalk, because Chalk just has a single `FnDefId` where
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/// we have different IDs for struct and enum variant constructors.
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)]
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pub struct InternedCallableDefId(salsa::InternId);
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impl_intern_key!(InternedCallableDefId);
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