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cjgillotcjgillot
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Stop passing resolver disambiguator state to AST lowering.
1 parent 6d0c9e2 commit 78ae5be

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9 files changed

+43
-11
lines changed

9 files changed

+43
-11
lines changed

‎compiler/rustc_ast_lowering/src/expr.rs

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@ use rustc_data_structures::stack::ensure_sufficient_stack;
88
use rustc_hir as hir;
99
use rustc_hir::HirId;
1010
use rustc_hir::def::{DefKind, Res};
11+
use rustc_hir::definitions::DefPathData;
1112
use rustc_middle::span_bug;
1213
use rustc_middle::ty::TyCtxt;
1314
use rustc_session::errors::report_lit_error;
@@ -491,7 +492,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
491492
for (idx, arg) in args.iter().cloned().enumerate() {
492493
if legacy_args_idx.contains(&idx) {
493494
let node_id = self.next_node_id();
494-
self.create_def(node_id, None, DefKind::AnonConst, f.span);
495+
self.create_def(
496+
node_id,
497+
None,
498+
DefKind::AnonConst,
499+
DefPathData::LateAnonConst,
500+
f.span,
501+
);
495502
let mut visitor = WillCreateDefIdsVisitor {};
496503
let const_value = if let ControlFlow::Break(span) = visitor.visit_expr(&arg) {
497504
AstP(Expr {

‎compiler/rustc_ast_lowering/src/lib.rs

Lines changed: 13 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -51,6 +51,7 @@ use rustc_data_structures::tagged_ptr::TaggedRef;
5151
use rustc_errors::{DiagArgFromDisplay, DiagCtxtHandle};
5252
use rustc_hir::def::{DefKind, LifetimeRes, Namespace, PartialRes, PerNS, Res};
5353
use rustc_hir::def_id::{CRATE_DEF_ID, LOCAL_CRATE, LocalDefId};
54+
use rustc_hir::definitions::{DefPathData, DisambiguatorState};
5455
use rustc_hir::lints::DelayedLint;
5556
use rustc_hir::{
5657
self as hir, AngleBrackets, ConstArg, GenericArg, HirId, ItemLocalMap, LangItem,
@@ -92,6 +93,7 @@ rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
9293
struct LoweringContext<'a, 'hir> {
9394
tcx: TyCtxt<'hir>,
9495
resolver: &'a mut ResolverAstLowering,
96+
disambiguator: DisambiguatorState,
9597

9698
/// Used to allocate HIR nodes.
9799
arena: &'hir hir::Arena<'hir>,
@@ -154,6 +156,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
154156
// Pseudo-globals.
155157
tcx,
156158
resolver,
159+
disambiguator: DisambiguatorState::new(),
157160
arena: tcx.hir_arena,
158161

159162
// HirId handling.
@@ -520,6 +523,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
520523
node_id: ast::NodeId,
521524
name: Option<Symbol>,
522525
def_kind: DefKind,
526+
def_path_data: DefPathData,
523527
span: Span,
524528
) -> LocalDefId {
525529
let parent = self.current_hir_id_owner.def_id;
@@ -535,7 +539,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
535539
let def_id = self
536540
.tcx
537541
.at(span)
538-
.create_def(parent, name, def_kind, None, &mut self.resolver.disambiguator)
542+
.create_def(parent, name, def_kind, Some(def_path_data), &mut self.disambiguator)
539543
.def_id();
540544

541545
debug!("create_def: def_id_to_node_id[{:?}] <-> {:?}", def_id, node_id);
@@ -820,6 +824,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
820824
param,
821825
Some(kw::UnderscoreLifetime),
822826
DefKind::LifetimeParam,
827+
DefPathData::DesugaredAnonymousLifetime,
823828
ident.span,
824829
);
825830
debug!(?_def_id);
@@ -2154,7 +2159,13 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
21542159
// We're lowering a const argument that was originally thought to be a type argument,
21552160
// so the def collector didn't create the def ahead of time. That's why we have to do
21562161
// it here.
2157-
let def_id = self.create_def(node_id, None, DefKind::AnonConst, span);
2162+
let def_id = self.create_def(
2163+
node_id,
2164+
None,
2165+
DefKind::AnonConst,
2166+
DefPathData::LateAnonConst,
2167+
span,
2168+
);
21582169
let hir_id = self.lower_node_id(node_id);
21592170

21602171
let path_expr = Expr {

‎compiler/rustc_ast_lowering/src/pat.rs

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@ use rustc_ast::ptr::P;
44
use rustc_ast::*;
55
use rustc_data_structures::stack::ensure_sufficient_stack;
66
use rustc_hir::def::{DefKind, Res};
7+
use rustc_hir::definitions::DefPathData;
78
use rustc_hir::{self as hir, LangItem};
89
use rustc_middle::span_bug;
910
use rustc_span::source_map::{Spanned, respan};
@@ -528,7 +529,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
528529
// We're generating a range end that didn't exist in the AST,
529530
// so the def collector didn't create the def ahead of time. That's why we have to do
530531
// it here.
531-
let def_id = self.create_def(node_id, None, DefKind::AnonConst, span);
532+
let def_id =
533+
self.create_def(node_id, None, DefKind::AnonConst, DefPathData::LateAnonConst, span);
532534
let hir_id = self.lower_node_id(node_id);
533535

534536
let unstable_span = self.mark_span_with_reason(

‎compiler/rustc_hir/src/definitions.rs

Lines changed: 12 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -306,6 +306,10 @@ pub enum DefPathData {
306306
Ctor,
307307
/// A constant expression (see `{ast,hir}::AnonConst`).
308308
AnonConst,
309+
/// A constant expression created during AST->HIR lowering..
310+
LateAnonConst,
311+
/// A fresh anonymous lifetime created by desugaring elided lifetimes.
312+
DesugaredAnonymousLifetime,
309313
/// An existential `impl Trait` type node.
310314
/// Argument position `impl Trait` have a `TypeNs` with their pretty-printed name.
311315
OpaqueTy,
@@ -450,6 +454,8 @@ impl DefPathData {
450454
TypeNs(name) | ValueNs(name) | MacroNs(name) | LifetimeNs(name)
451455
| OpaqueLifetime(name) => Some(name),
452456

457+
DesugaredAnonymousLifetime => Some(kw::UnderscoreLifetime),
458+
453459
Impl
454460
| ForeignMod
455461
| CrateRoot
@@ -458,6 +464,7 @@ impl DefPathData {
458464
| Closure
459465
| Ctor
460466
| AnonConst
467+
| LateAnonConst
461468
| OpaqueTy
462469
| AnonAssocTy(..)
463470
| SyntheticCoroutineBody
@@ -471,6 +478,8 @@ impl DefPathData {
471478
TypeNs(name) | ValueNs(name) | MacroNs(name) | LifetimeNs(name) | AnonAssocTy(name)
472479
| OpaqueLifetime(name) => Some(name),
473480

481+
DesugaredAnonymousLifetime => Some(kw::UnderscoreLifetime),
482+
474483
Impl
475484
| ForeignMod
476485
| CrateRoot
@@ -479,6 +488,7 @@ impl DefPathData {
479488
| Closure
480489
| Ctor
481490
| AnonConst
491+
| LateAnonConst
482492
| OpaqueTy
483493
| SyntheticCoroutineBody
484494
| NestedStatic => None,
@@ -498,7 +508,8 @@ impl DefPathData {
498508
GlobalAsm => DefPathDataName::Anon { namespace: sym::global_asm },
499509
Closure => DefPathDataName::Anon { namespace: sym::closure },
500510
Ctor => DefPathDataName::Anon { namespace: sym::constructor },
501-
AnonConst => DefPathDataName::Anon { namespace: sym::constant },
511+
AnonConst | LateAnonConst => DefPathDataName::Anon { namespace: sym::constant },
512+
DesugaredAnonymousLifetime => DefPathDataName::Named(kw::UnderscoreLifetime),
502513
OpaqueTy => DefPathDataName::Anon { namespace: sym::opaque },
503514
AnonAssocTy(..) => DefPathDataName::Anon { namespace: sym::anon_assoc },
504515
SyntheticCoroutineBody => DefPathDataName::Anon { namespace: sym::synthetic },

‎compiler/rustc_middle/src/ty/mod.rs

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -38,7 +38,6 @@ use rustc_errors::{Diag, ErrorGuaranteed};
3838
use rustc_hir::LangItem;
3939
use rustc_hir::def::{CtorKind, CtorOf, DefKind, DocLinkResMap, LifetimeRes, Res};
4040
use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, LocalDefIdMap};
41-
use rustc_hir::definitions::DisambiguatorState;
4241
use rustc_index::IndexVec;
4342
use rustc_index::bit_set::BitMatrix;
4443
use rustc_macros::{
@@ -221,8 +220,6 @@ pub struct ResolverAstLowering {
221220

222221
pub node_id_to_def_id: NodeMap<LocalDefId>,
223222

224-
pub disambiguator: DisambiguatorState,
225-
226223
pub trait_map: NodeMap<Vec<hir::TraitCandidate>>,
227224
/// List functions and methods for which lifetime elision was successful.
228225
pub lifetime_elision_allowed: FxHashSet<ast::NodeId>,

‎compiler/rustc_middle/src/ty/print/pretty.rs

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2193,6 +2193,7 @@ fn guess_def_namespace(tcx: TyCtxt<'_>, def_id: DefId) -> Namespace {
21932193

21942194
DefPathData::ValueNs(..)
21952195
| DefPathData::AnonConst
2196+
| DefPathData::LateAnonConst
21962197
| DefPathData::Closure
21972198
| DefPathData::Ctor => Namespace::ValueNS,
21982199

‎compiler/rustc_resolve/src/lib.rs

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1688,7 +1688,6 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> {
16881688
.into_items()
16891689
.map(|(k, f)| (k, f.key()))
16901690
.collect(),
1691-
disambiguator: self.disambiguator,
16921691
trait_map: self.trait_map,
16931692
lifetime_elision_allowed: self.lifetime_elision_allowed,
16941693
lint_buffer: Steal::new(self.lint_buffer),

‎compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -714,7 +714,8 @@ fn encode_ty_name(tcx: TyCtxt<'_>, def_id: DefId) -> String {
714714
hir::definitions::DefPathData::ValueNs(..) => "v",
715715
hir::definitions::DefPathData::Closure => "C",
716716
hir::definitions::DefPathData::Ctor => "c",
717-
hir::definitions::DefPathData::AnonConst => "k",
717+
hir::definitions::DefPathData::AnonConst => "K",
718+
hir::definitions::DefPathData::LateAnonConst => "k",
718719
hir::definitions::DefPathData::OpaqueTy => "i",
719720
hir::definitions::DefPathData::SyntheticCoroutineBody => "s",
720721
hir::definitions::DefPathData::NestedStatic => "n",
@@ -724,6 +725,7 @@ fn encode_ty_name(tcx: TyCtxt<'_>, def_id: DefId) -> String {
724725
| hir::definitions::DefPathData::MacroNs(..)
725726
| hir::definitions::DefPathData::OpaqueLifetime(..)
726727
| hir::definitions::DefPathData::LifetimeNs(..)
728+
| hir::definitions::DefPathData::DesugaredAnonymousLifetime
727729
| hir::definitions::DefPathData::AnonAssocTy(..) => {
728730
bug!("encode_ty_name: unexpected `{:?}`", disambiguated_data.data);
729731
}

‎compiler/rustc_symbol_mangling/src/v0.rs

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -874,7 +874,8 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> {
874874
DefPathData::ValueNs(_) => 'v',
875875
DefPathData::Closure => 'C',
876876
DefPathData::Ctor => 'c',
877-
DefPathData::AnonConst => 'k',
877+
DefPathData::AnonConst => 'K',
878+
DefPathData::LateAnonConst => 'k',
878879
DefPathData::OpaqueTy => 'i',
879880
DefPathData::SyntheticCoroutineBody => 's',
880881
DefPathData::NestedStatic => 'n',
@@ -886,6 +887,7 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> {
886887
| DefPathData::Impl
887888
| DefPathData::MacroNs(_)
888889
| DefPathData::LifetimeNs(_)
890+
| DefPathData::DesugaredAnonymousLifetime
889891
| DefPathData::OpaqueLifetime(_)
890892
| DefPathData::AnonAssocTy(..) => {
891893
bug!("symbol_names: unexpected DefPathData: {:?}", disambiguated_data.data)

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