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Use LocalDefId in OpaqueTypeKey

This commit is contained in:
Michael Goulet 2022-07-16 20:53:08 +00:00
parent f8588549c3
commit 136f017258
15 changed files with 51 additions and 53 deletions

View file

@ -153,7 +153,7 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
.opaque_type_storage
.take_opaque_types()
.into_iter()
.map(|(k, v)| (self.tcx.mk_opaque(k.def_id, k.substs), v.hidden_type.ty))
.map(|(k, v)| (self.tcx.mk_opaque(k.def_id.to_def_id(), k.substs), v.hidden_type.ty))
.collect()
}

View file

@ -938,7 +938,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
#[instrument(skip(self), level = "debug")]
pub fn member_constraint(
&self,
opaque_type_def_id: DefId,
opaque_type_def_id: LocalDefId,
definition_span: Span,
hidden_ty: Ty<'tcx>,
region: ty::Region<'tcx>,

View file

@ -51,7 +51,11 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
return InferOk { value: ty, obligations: vec![] };
}
let mut obligations = vec![];
let replace_opaque_type = |def_id| self.opaque_type_origin(def_id, span).is_some();
let replace_opaque_type = |def_id: DefId| {
def_id
.as_local()
.map_or(false, |def_id| self.opaque_type_origin(def_id, span).is_some())
};
let value = ty.fold_with(&mut ty::fold::BottomUpFolder {
tcx: self.tcx,
lt_op: |lt| lt,
@ -96,6 +100,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
let (a, b) = if a_is_expected { (a, b) } else { (b, a) };
let process = |a: Ty<'tcx>, b: Ty<'tcx>| match *a.kind() {
ty::Opaque(def_id, substs) if def_id.is_local() => {
let def_id = def_id.expect_local();
let origin = if self.defining_use_anchor.is_some() {
// Check that this is `impl Trait` type is
// declared by `parent_def_id` -- i.e., one whose
@ -141,7 +146,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
// no one encounters it in practice.
// It does occur however in `fn fut() -> impl Future<Output = i32> { async { 42 } }`,
// where it is of no concern, so we only check for TAITs.
if let Some(OpaqueTyOrigin::TyAlias) = self.opaque_type_origin(did2, cause.span)
if let Some(OpaqueTyOrigin::TyAlias) =
did2.as_local().and_then(|did2| self.opaque_type_origin(did2, cause.span))
{
self.tcx
.sess
@ -399,8 +405,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
}
#[instrument(skip(self), level = "trace")]
pub fn opaque_type_origin(&self, opaque_def_id: DefId, span: Span) -> Option<OpaqueTyOrigin> {
let def_id = opaque_def_id.as_local()?;
pub fn opaque_type_origin(&self, def_id: LocalDefId, span: Span) -> Option<OpaqueTyOrigin> {
let opaque_hir_id = self.tcx.hir().local_def_id_to_hir_id(def_id);
let parent_def_id = self.defining_use_anchor?;
let item_kind = &self.tcx.hir().expect_item(def_id).kind;
@ -409,7 +414,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
span_bug!(
span,
"weird opaque type: {:#?}, {:#?}",
opaque_def_id,
def_id,
item_kind
)
};
@ -428,12 +433,11 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
}
#[instrument(skip(self), level = "trace")]
fn opaque_ty_origin_unchecked(&self, opaque_def_id: DefId, span: Span) -> OpaqueTyOrigin {
let def_id = opaque_def_id.as_local().unwrap();
fn opaque_ty_origin_unchecked(&self, def_id: LocalDefId, span: Span) -> OpaqueTyOrigin {
let origin = match self.tcx.hir().expect_item(def_id).kind {
hir::ItemKind::OpaqueTy(hir::OpaqueTy { origin, .. }) => origin,
ref itemkind => {
span_bug!(span, "weird opaque type: {:?}, {:#?}", opaque_def_id, itemkind)
span_bug!(span, "weird opaque type: {:?}, {:#?}", def_id, itemkind)
}
};
trace!(?origin);
@ -557,7 +561,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
obligations = self.at(&cause, param_env).eq(prev, hidden_ty)?.obligations;
}
let item_bounds = tcx.bound_explicit_item_bounds(def_id);
let item_bounds = tcx.bound_explicit_item_bounds(def_id.to_def_id());
for predicate in item_bounds.transpose_iter().map(|e| e.map_bound(|(p, _)| *p)) {
debug!(?predicate);
@ -579,7 +583,9 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
}
// Replace all other mentions of the same opaque type with the hidden type,
// as the bounds must hold on the hidden type after all.
ty::Opaque(def_id2, substs2) if def_id == def_id2 && substs == substs2 => {
ty::Opaque(def_id2, substs2)
if def_id.to_def_id() == def_id2 && substs == substs2 =>
{
hidden_ty
}
_ => ty,

View file

@ -12,7 +12,7 @@ use rustc_data_structures::intern::Interned;
use rustc_data_structures::sync::Lrc;
use rustc_data_structures::undo_log::UndoLogs;
use rustc_data_structures::unify as ut;
use rustc_hir::def_id::DefId;
use rustc_hir::def_id::LocalDefId;
use rustc_index::vec::IndexVec;
use rustc_middle::infer::unify_key::{RegionVidKey, UnifiedRegion};
use rustc_middle::ty::ReStatic;
@ -533,7 +533,7 @@ impl<'tcx> RegionConstraintCollector<'_, 'tcx> {
pub fn member_constraint(
&mut self,
opaque_type_def_id: DefId,
opaque_type_def_id: LocalDefId,
definition_span: Span,
hidden_ty: Ty<'tcx>,
member_region: ty::Region<'tcx>,