Rename HAS_PROJECTIONS to HAS_ALIASES etc.

This commit is contained in:
León Orell Valerian Liehr 2024-04-04 19:26:17 +02:00
parent 5dbaafdb93
commit 6f17b7f0ab
No known key found for this signature in database
GPG Key ID: D17A07215F68E713
12 changed files with 21 additions and 17 deletions

View File

@ -460,7 +460,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
where
T: TypeVisitable<TyCtxt<'tcx>>,
{
t.has_free_regions() || t.has_projections() || t.has_infer_types()
t.has_free_regions() || t.has_aliases() || t.has_infer_types()
}
pub fn node_ty(&self, id: hir::HirId) -> Ty<'tcx> {

View File

@ -49,7 +49,7 @@ impl<'tcx> TyCtxt<'tcx> {
let value = self.erase_regions(value);
debug!(?value);
if !value.has_projections() {
if !value.has_aliases() {
value
} else {
value.fold_with(&mut NormalizeAfterErasingRegionsFolder { tcx: self, param_env })
@ -81,7 +81,7 @@ impl<'tcx> TyCtxt<'tcx> {
let value = self.erase_regions(value);
debug!(?value);
if !value.has_projections() {
if !value.has_aliases() {
Ok(value)
} else {
let mut folder = TryNormalizeAfterErasingRegionsFolder::new(self, param_env);

View File

@ -1077,7 +1077,7 @@ fn try_instance_mir<'tcx>(
let fields = def.all_fields();
for field in fields {
let field_ty = field.ty(tcx, args);
if field_ty.has_param() && field_ty.has_projections() {
if field_ty.has_param() && field_ty.has_aliases() {
return Err("cannot build drop shim for polymorphic type");
}
}

View File

@ -177,7 +177,7 @@ impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for NormalizationFolder<'_, 'tcx> {
fn try_fold_ty(&mut self, ty: Ty<'tcx>) -> Result<Ty<'tcx>, Self::Error> {
let infcx = self.at.infcx;
debug_assert_eq!(ty, infcx.shallow_resolve(ty));
if !ty.has_projections() {
if !ty.has_aliases() {
return Ok(ty);
}
@ -204,7 +204,7 @@ impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for NormalizationFolder<'_, 'tcx> {
fn try_fold_const(&mut self, ct: ty::Const<'tcx>) -> Result<ty::Const<'tcx>, Self::Error> {
let infcx = self.at.infcx;
debug_assert_eq!(ct, infcx.shallow_resolve(ct));
if !ct.has_projections() {
if !ct.has_aliases() {
return Ok(ct);
}

View File

@ -311,7 +311,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> {
let infcx = self.selcx.infcx;
if obligation.predicate.has_projections() {
if obligation.predicate.has_aliases() {
let mut obligations = Vec::new();
let predicate = normalize_with_depth_to(
&mut self.selcx,

View File

@ -101,6 +101,8 @@ pub(super) fn needs_normalization<'tcx, T: TypeVisitable<TyCtxt<'tcx>>>(
value: &T,
reveal: Reveal,
) -> bool {
// This mirrors `ty::TypeFlags::HAS_ALIASES` except that we take `Reveal` into account.
let mut flags = ty::TypeFlags::HAS_TY_PROJECTION
| ty::TypeFlags::HAS_TY_WEAK
| ty::TypeFlags::HAS_TY_INHERENT

View File

@ -432,7 +432,7 @@ pub(super) fn opt_normalize_projection_type<'a, 'b, 'tcx>(
let projected_term = selcx.infcx.resolve_vars_if_possible(projected_term);
let mut result = if projected_term.has_projections() {
let mut result = if projected_term.has_aliases() {
let normalized_ty = normalize_with_depth_to(
selcx,
param_env,
@ -596,7 +596,7 @@ pub fn normalize_inherent_projection<'a, 'b, 'tcx>(
let ty = tcx.type_of(alias_ty.def_id).instantiate(tcx, args);
let mut ty = selcx.infcx.resolve_vars_if_possible(ty);
if ty.has_projections() {
if ty.has_aliases() {
ty = normalize_with_depth_to(selcx, param_env, cause.clone(), depth + 1, ty, obligations);
}

View File

@ -15,7 +15,7 @@ where
type QueryResponse = T;
fn try_fast_path(_tcx: TyCtxt<'tcx>, key: &ParamEnvAnd<'tcx, Self>) -> Option<T> {
if !key.value.value.has_projections() { Some(key.value.value) } else { None }
if !key.value.value.has_aliases() { Some(key.value.value) } else { None }
}
fn perform_query(

View File

@ -1066,7 +1066,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
// so we will try to normalize the obligation and evaluate again.
// we will replace it with new solver in the future.
if EvaluationResult::EvaluatedToErr == result
&& fresh_trait_pred.has_projections()
&& fresh_trait_pred.has_aliases()
&& fresh_trait_pred.is_global()
{
let mut nested_obligations = Vec::new();

View File

@ -239,9 +239,9 @@ fn layout_of_uncached<'tcx>(
// Arrays and slices.
ty::Array(element, mut count) => {
if count.has_projections() {
if count.has_aliases() {
count = tcx.normalize_erasing_regions(param_env, count);
if count.has_projections() {
if count.has_aliases() {
return Err(error(cx, LayoutError::Unknown(ty)));
}
}

View File

@ -78,8 +78,10 @@ bitflags! {
/// Does this have `ConstKind::Unevaluated`?
const HAS_CT_PROJECTION = 1 << 14;
/// Could this type be normalized further?
const HAS_PROJECTION = TypeFlags::HAS_TY_PROJECTION.bits()
/// Does this have `Alias` or `ConstKind::Unevaluated`?
///
/// Rephrased, could this term be normalized further?
const HAS_ALIASES = TypeFlags::HAS_TY_PROJECTION.bits()
| TypeFlags::HAS_TY_WEAK.bits()
| TypeFlags::HAS_TY_OPAQUE.bits()
| TypeFlags::HAS_TY_INHERENT.bits()

View File

@ -223,8 +223,8 @@ pub trait TypeVisitableExt<I: Interner>: TypeVisitable<I> {
self.has_vars_bound_at_or_above(ty::INNERMOST)
}
fn has_projections(&self) -> bool {
self.has_type_flags(TypeFlags::HAS_PROJECTION)
fn has_aliases(&self) -> bool {
self.has_type_flags(TypeFlags::HAS_ALIASES)
}
fn has_inherent_projections(&self) -> bool {