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Replace make_binders by the now equivalent make_only_type_binders

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This commit is contained in:
Florian Diebold 2021-04-08 14:21:22 +02:00
parent 8ce6fea325
commit 8040f4a5e3
2 changed files with 22 additions and 35 deletions
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43
crates/hir_ty/src/traits/chalk.rs
View File

@ -17,16 +17,14 @@ use super::ChalkContext;
use crate::{
db::HirDatabase,
display::HirDisplay,
from_assoc_type_id,
from_assoc_type_id, make_only_type_binders,
method_resolution::{TyFingerprint, ALL_FLOAT_FPS, ALL_INT_FPS},
to_assoc_type_id, to_chalk_trait_id,
utils::generics,
AliasEq, AliasTy, BoundVar, CallableDefId, DebruijnIndex, FnDefId, ProjectionTy, Substitution,
TraitRef, TraitRefExt, Ty, TyBuilder, TyExt, TyKind, WhereClause,
};
use mapping::{
convert_where_clauses, generic_predicate_to_inline_bound, make_binders, TypeAliasAsValue,
};
use mapping::{convert_where_clauses, generic_predicate_to_inline_bound, TypeAliasAsValue};
pub use self::interner::Interner;
pub(crate) use self::interner::*;
@ -187,8 +185,11 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> {
let (datas, binders) = (*datas).as_ref().into_value_and_skipped_binders();
let data = &datas.impl_traits[idx as usize];
let bound = OpaqueTyDatumBound {
bounds: make_binders(data.bounds.skip_binders().iter().cloned().collect(), 1),
where_clauses: make_binders(vec![], 0),
bounds: make_only_type_binders(
1,
data.bounds.skip_binders().iter().cloned().collect(),
),
where_clauses: make_only_type_binders(0, vec![]),
};
chalk_ir::Binders::new(binders, bound)
}
@ -236,25 +237,25 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> {
.intern(&Interner),
});
let bound = OpaqueTyDatumBound {
bounds: make_binders(
bounds: make_only_type_binders(
1,
vec![
crate::wrap_empty_binders(impl_bound),
crate::wrap_empty_binders(proj_bound),
],
1,
),
where_clauses: make_binders(vec![], 0),
where_clauses: make_only_type_binders(0, vec![]),
};
// The opaque type has 1 parameter.
make_binders(bound, 1)
make_only_type_binders(1, bound)
} else {
// If failed to find Symbol’s value as variable is void: Future::Output, return empty bounds as fallback.
let bound = OpaqueTyDatumBound {
bounds: make_binders(vec![], 0),
where_clauses: make_binders(vec![], 0),
bounds: make_only_type_binders(0, vec![]),
where_clauses: make_only_type_binders(0, vec![]),
};
// The opaque type has 1 parameter.
make_binders(bound, 1)
make_only_type_binders(1, bound)
}
}
};
@ -291,7 +292,7 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> {
argument_types: sig.params().iter().cloned().collect(),
return_type: sig.ret().clone(),
};
make_binders(io.shifted_in(&Interner), 0)
make_only_type_binders(0, io.shifted_in(&Interner))
}
fn closure_upvars(
&self,
@ -299,7 +300,7 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> {
_substs: &chalk_ir::Substitution<Interner>,
) -> chalk_ir::Binders<chalk_ir::Ty<Interner>> {
let ty = TyBuilder::unit();
make_binders(ty, 0)
make_only_type_binders(0, ty)
}
fn closure_fn_substitution(
&self,
@ -404,7 +405,7 @@ pub(crate) fn associated_ty_data_query(
trait_id: to_chalk_trait_id(trait_),
id,
name: type_alias,
binders: make_binders(bound_data, generic_params.len()),
binders: make_only_type_binders(generic_params.len(), bound_data),
};
Arc::new(datum)
}
@ -437,7 +438,7 @@ pub(crate) fn trait_datum_query(
lang_attr(db.upcast(), trait_).and_then(|name| well_known_trait_from_lang_attr(&name));
let trait_datum = TraitDatum {
id: trait_id,
binders: make_binders(trait_datum_bound, bound_vars.len(&Interner)),
binders: make_only_type_binders(bound_vars.len(&Interner), trait_datum_bound),
flags,
associated_ty_ids,
well_known,
@ -506,7 +507,7 @@ pub(crate) fn struct_datum_query(
// FIXME set ADT kind
kind: rust_ir::AdtKind::Struct,
id: struct_id,
binders: make_binders(struct_datum_bound, num_params),
binders: make_only_type_binders(num_params, struct_datum_bound),
flags,
};
Arc::new(struct_datum)
@ -575,7 +576,7 @@ fn impl_def_datum(
.collect();
debug!("impl_datum: {:?}", impl_datum_bound);
let impl_datum = ImplDatum {
binders: make_binders(impl_datum_bound, bound_vars.len(&Interner)),
binders: make_only_type_binders(bound_vars.len(&Interner), impl_datum_bound),
impl_type,
polarity,
associated_ty_value_ids,
@ -635,13 +636,13 @@ pub(crate) fn fn_def_datum_query(
let where_clauses = convert_where_clauses(db, callable_def.into(), &bound_vars);
let bound = rust_ir::FnDefDatumBound {
// Note: Chalk doesn't actually use this information yet as far as I am aware, but we provide it anyway
inputs_and_output: make_binders(
inputs_and_output: make_only_type_binders(
0,
rust_ir::FnDefInputsAndOutputDatum {
argument_types: sig.params().iter().cloned().collect(),
return_type: sig.ret().clone(),
}
.shifted_in(&Interner),
0,
),
where_clauses,
};

14
crates/hir_ty/src/traits/chalk/mapping.rs
View File

@ -71,20 +71,6 @@ impl ToChalk for TypeAliasAsValue {
}
}
pub(super) fn make_binders<T>(value: T, num_vars: usize) -> chalk_ir::Binders<T>
where
T: HasInterner<Interner = Interner>,
{
chalk_ir::Binders::new(
chalk_ir::VariableKinds::from_iter(
&Interner,
std::iter::repeat(chalk_ir::VariableKind::Ty(chalk_ir::TyVariableKind::General))
.take(num_vars),
),
value,
)
}
pub(super) fn convert_where_clauses(
db: &dyn HirDatabase,
def: GenericDefId,