393 lines
13 KiB
Rust
393 lines
13 KiB
Rust
//! Implementation of the Chalk `Interner` trait, which allows customizing the
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//! representation of the various objects Chalk deals with (types, goals etc.).
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use super::tls;
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use base_db::salsa::InternId;
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use chalk_ir::{GenericArg, Goal, GoalData};
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use hir_def::TypeAliasId;
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use std::{fmt, sync::Arc};
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#[derive(Debug, Copy, Clone, Hash, PartialOrd, Ord, PartialEq, Eq)]
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pub struct Interner;
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pub(crate) type AssocTypeId = chalk_ir::AssocTypeId<Interner>;
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pub(crate) type AssociatedTyDatum = chalk_solve::rust_ir::AssociatedTyDatum<Interner>;
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pub(crate) type TraitId = chalk_ir::TraitId<Interner>;
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pub(crate) type TraitDatum = chalk_solve::rust_ir::TraitDatum<Interner>;
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pub(crate) type AdtId = chalk_ir::AdtId<Interner>;
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pub(crate) type StructDatum = chalk_solve::rust_ir::AdtDatum<Interner>;
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pub(crate) type ImplId = chalk_ir::ImplId<Interner>;
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pub(crate) type ImplDatum = chalk_solve::rust_ir::ImplDatum<Interner>;
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pub(crate) type AssociatedTyValueId = chalk_solve::rust_ir::AssociatedTyValueId<Interner>;
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pub(crate) type AssociatedTyValue = chalk_solve::rust_ir::AssociatedTyValue<Interner>;
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pub(crate) type FnDefDatum = chalk_solve::rust_ir::FnDefDatum<Interner>;
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pub(crate) type OpaqueTyId = chalk_ir::OpaqueTyId<Interner>;
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pub(crate) type OpaqueTyDatum = chalk_solve::rust_ir::OpaqueTyDatum<Interner>;
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pub(crate) type Variances = chalk_ir::Variances<Interner>;
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impl chalk_ir::interner::Interner for Interner {
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type InternedType = Arc<chalk_ir::TyData<Self>>;
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type InternedLifetime = chalk_ir::LifetimeData<Self>;
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type InternedConst = Arc<chalk_ir::ConstData<Self>>;
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type InternedConcreteConst = ();
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type InternedGenericArg = chalk_ir::GenericArgData<Self>;
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type InternedGoal = Arc<GoalData<Self>>;
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type InternedGoals = Vec<Goal<Self>>;
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type InternedSubstitution = Vec<GenericArg<Self>>;
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type InternedProgramClause = Arc<chalk_ir::ProgramClauseData<Self>>;
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type InternedProgramClauses = Arc<[chalk_ir::ProgramClause<Self>]>;
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type InternedQuantifiedWhereClauses = Vec<chalk_ir::QuantifiedWhereClause<Self>>;
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type InternedVariableKinds = Vec<chalk_ir::VariableKind<Self>>;
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type InternedCanonicalVarKinds = Vec<chalk_ir::CanonicalVarKind<Self>>;
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type InternedConstraints = Vec<chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>>;
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type InternedVariances = Arc<[chalk_ir::Variance]>;
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type DefId = InternId;
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type InternedAdtId = hir_def::AdtId;
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type Identifier = TypeAliasId;
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type FnAbi = ();
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fn debug_adt_id(type_kind_id: AdtId, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_struct_id(type_kind_id, fmt)))
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}
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fn debug_trait_id(type_kind_id: TraitId, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_trait_id(type_kind_id, fmt)))
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}
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fn debug_assoc_type_id(id: AssocTypeId, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_assoc_type_id(id, fmt)))
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}
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fn debug_alias(
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alias: &chalk_ir::AliasTy<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_alias(alias, fmt)))
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}
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fn debug_projection_ty(
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proj: &chalk_ir::ProjectionTy<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_projection_ty(proj, fmt)))
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}
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fn debug_opaque_ty(
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opaque_ty: &chalk_ir::OpaqueTy<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_opaque_ty(opaque_ty, fmt)))
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}
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fn debug_opaque_ty_id(
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opaque_ty_id: chalk_ir::OpaqueTyId<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_opaque_ty_id(opaque_ty_id, fmt)))
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}
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fn debug_ty(ty: &chalk_ir::Ty<Interner>, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_ty(ty, fmt)))
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}
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fn debug_lifetime(
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lifetime: &chalk_ir::Lifetime<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_lifetime(lifetime, fmt)))
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}
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fn debug_generic_arg(
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parameter: &GenericArg<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_generic_arg(parameter, fmt)))
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}
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fn debug_goal(goal: &Goal<Interner>, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_goal(goal, fmt)))
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}
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fn debug_goals(
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goals: &chalk_ir::Goals<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_goals(goals, fmt)))
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}
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fn debug_program_clause_implication(
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pci: &chalk_ir::ProgramClauseImplication<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_program_clause_implication(pci, fmt)))
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}
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fn debug_substitution(
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substitution: &chalk_ir::Substitution<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_substitution(substitution, fmt)))
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}
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fn debug_separator_trait_ref(
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separator_trait_ref: &chalk_ir::SeparatorTraitRef<Interner>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| {
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Some(prog?.debug_separator_trait_ref(separator_trait_ref, fmt))
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})
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}
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fn debug_fn_def_id(
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fn_def_id: chalk_ir::FnDefId<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_fn_def_id(fn_def_id, fmt)))
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}
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fn debug_const(
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constant: &chalk_ir::Const<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_const(constant, fmt)))
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}
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fn debug_variable_kinds(
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variable_kinds: &chalk_ir::VariableKinds<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_variable_kinds(variable_kinds, fmt)))
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}
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fn debug_variable_kinds_with_angles(
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variable_kinds: &chalk_ir::VariableKinds<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| {
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Some(prog?.debug_variable_kinds_with_angles(variable_kinds, fmt))
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})
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}
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fn debug_canonical_var_kinds(
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canonical_var_kinds: &chalk_ir::CanonicalVarKinds<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| {
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Some(prog?.debug_canonical_var_kinds(canonical_var_kinds, fmt))
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})
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}
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fn debug_program_clause(
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clause: &chalk_ir::ProgramClause<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_program_clause(clause, fmt)))
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}
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fn debug_program_clauses(
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clauses: &chalk_ir::ProgramClauses<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_program_clauses(clauses, fmt)))
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}
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fn debug_quantified_where_clauses(
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clauses: &chalk_ir::QuantifiedWhereClauses<Self>,
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fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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tls::with_current_program(|prog| Some(prog?.debug_quantified_where_clauses(clauses, fmt)))
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}
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fn intern_ty(&self, kind: chalk_ir::TyKind<Self>) -> Arc<chalk_ir::TyData<Self>> {
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let flags = kind.compute_flags(self);
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Arc::new(chalk_ir::TyData { kind, flags })
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}
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fn ty_data<'a>(&self, ty: &'a Arc<chalk_ir::TyData<Self>>) -> &'a chalk_ir::TyData<Self> {
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ty
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}
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fn intern_lifetime(
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&self,
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lifetime: chalk_ir::LifetimeData<Self>,
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) -> chalk_ir::LifetimeData<Self> {
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lifetime
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}
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fn lifetime_data<'a>(
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&self,
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lifetime: &'a chalk_ir::LifetimeData<Self>,
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) -> &'a chalk_ir::LifetimeData<Self> {
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lifetime
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}
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fn intern_const(&self, constant: chalk_ir::ConstData<Self>) -> Arc<chalk_ir::ConstData<Self>> {
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Arc::new(constant)
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}
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fn const_data<'a>(
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&self,
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constant: &'a Arc<chalk_ir::ConstData<Self>>,
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) -> &'a chalk_ir::ConstData<Self> {
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constant
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}
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fn const_eq(&self, _ty: &Arc<chalk_ir::TyData<Self>>, _c1: &(), _c2: &()) -> bool {
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true
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}
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fn intern_generic_arg(
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&self,
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parameter: chalk_ir::GenericArgData<Self>,
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) -> chalk_ir::GenericArgData<Self> {
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parameter
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}
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fn generic_arg_data<'a>(
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&self,
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parameter: &'a chalk_ir::GenericArgData<Self>,
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) -> &'a chalk_ir::GenericArgData<Self> {
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parameter
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}
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fn intern_goal(&self, goal: GoalData<Self>) -> Arc<GoalData<Self>> {
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Arc::new(goal)
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}
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fn intern_goals<E>(
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&self,
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data: impl IntoIterator<Item = Result<Goal<Self>, E>>,
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) -> Result<Self::InternedGoals, E> {
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data.into_iter().collect()
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}
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fn goal_data<'a>(&self, goal: &'a Arc<GoalData<Self>>) -> &'a GoalData<Self> {
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goal
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}
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fn goals_data<'a>(&self, goals: &'a Vec<Goal<Interner>>) -> &'a [Goal<Interner>] {
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goals
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}
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fn intern_substitution<E>(
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&self,
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data: impl IntoIterator<Item = Result<GenericArg<Self>, E>>,
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) -> Result<Vec<GenericArg<Self>>, E> {
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data.into_iter().collect()
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}
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fn substitution_data<'a>(
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&self,
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substitution: &'a Vec<GenericArg<Self>>,
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) -> &'a [GenericArg<Self>] {
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substitution
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}
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fn intern_program_clause(
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&self,
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data: chalk_ir::ProgramClauseData<Self>,
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) -> Arc<chalk_ir::ProgramClauseData<Self>> {
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Arc::new(data)
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}
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fn program_clause_data<'a>(
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&self,
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clause: &'a Arc<chalk_ir::ProgramClauseData<Self>>,
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) -> &'a chalk_ir::ProgramClauseData<Self> {
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clause
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}
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fn intern_program_clauses<E>(
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&self,
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data: impl IntoIterator<Item = Result<chalk_ir::ProgramClause<Self>, E>>,
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) -> Result<Arc<[chalk_ir::ProgramClause<Self>]>, E> {
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data.into_iter().collect()
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}
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fn program_clauses_data<'a>(
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&self,
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clauses: &'a Arc<[chalk_ir::ProgramClause<Self>]>,
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) -> &'a [chalk_ir::ProgramClause<Self>] {
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&clauses
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}
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fn intern_quantified_where_clauses<E>(
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&self,
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data: impl IntoIterator<Item = Result<chalk_ir::QuantifiedWhereClause<Self>, E>>,
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) -> Result<Self::InternedQuantifiedWhereClauses, E> {
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data.into_iter().collect()
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}
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fn quantified_where_clauses_data<'a>(
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&self,
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clauses: &'a Self::InternedQuantifiedWhereClauses,
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) -> &'a [chalk_ir::QuantifiedWhereClause<Self>] {
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clauses
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}
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fn intern_generic_arg_kinds<E>(
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&self,
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data: impl IntoIterator<Item = Result<chalk_ir::VariableKind<Self>, E>>,
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) -> Result<Self::InternedVariableKinds, E> {
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data.into_iter().collect()
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}
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fn variable_kinds_data<'a>(
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&self,
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parameter_kinds: &'a Self::InternedVariableKinds,
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) -> &'a [chalk_ir::VariableKind<Self>] {
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¶meter_kinds
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}
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fn intern_canonical_var_kinds<E>(
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&self,
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data: impl IntoIterator<Item = Result<chalk_ir::CanonicalVarKind<Self>, E>>,
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) -> Result<Self::InternedCanonicalVarKinds, E> {
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data.into_iter().collect()
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}
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fn canonical_var_kinds_data<'a>(
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&self,
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canonical_var_kinds: &'a Self::InternedCanonicalVarKinds,
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) -> &'a [chalk_ir::CanonicalVarKind<Self>] {
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&canonical_var_kinds
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}
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fn intern_constraints<E>(
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&self,
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data: impl IntoIterator<Item = Result<chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>, E>>,
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) -> Result<Self::InternedConstraints, E> {
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data.into_iter().collect()
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}
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fn constraints_data<'a>(
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&self,
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constraints: &'a Self::InternedConstraints,
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) -> &'a [chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>] {
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constraints
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}
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fn debug_closure_id(
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_fn_def_id: chalk_ir::ClosureId<Self>,
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_fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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None
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}
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fn debug_constraints(
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_clauses: &chalk_ir::Constraints<Self>,
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_fmt: &mut fmt::Formatter<'_>,
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) -> Option<fmt::Result> {
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None
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}
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fn intern_variances<E>(
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&self,
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data: impl IntoIterator<Item = Result<chalk_ir::Variance, E>>,
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) -> Result<Self::InternedVariances, E> {
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data.into_iter().collect()
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}
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fn variances_data<'a>(
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&self,
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variances: &'a Self::InternedVariances,
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) -> &'a [chalk_ir::Variance] {
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&variances
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}
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}
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impl chalk_ir::interner::HasInterner for Interner {
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type Interner = Self;
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}
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