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Rollup merge of #121089 - oli-obk:create_def_feed, r=petrochenkov

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Remove `feed_local_def_id`

best reviewed commit by commit

Basically I returned `TyCtxtFeed` from `create_def` and then preserved that in the local caches

based on https://github.com/rust-lang/rust/pull/121084

r? ````@petrochenkov````
This commit is contained in:
Guillaume Gomez 2024-03-07 18:32:47 +01:00 committed by GitHub
commit 4de78d2a8d
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15 changed files with 181 additions and 86 deletions
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2
compiler/rustc_ast_lowering/src/lib.rs
View File

@ -427,7 +427,7 @@ pub fn lower_to_hir(tcx: TyCtxt<'_>, (): ()) -> hir::Crate<'_> {
tcx.ensure_with_value().early_lint_checks(());
tcx.ensure_with_value().debugger_visualizers(LOCAL_CRATE);
tcx.ensure_with_value().get_lang_items(());
let (mut resolver, krate) = tcx.resolver_for_lowering(()).steal();
let (mut resolver, krate) = tcx.resolver_for_lowering().steal();
let ast_index = index_crate(&resolver.node_id_to_def_id, &krate);
let mut owners = IndexVec::from_fn_n(

2
compiler/rustc_driver_impl/src/lib.rs
View File

@ -418,7 +418,7 @@ fn run_compiler(
}
// Make sure name resolution and macro expansion is run.
queries.global_ctxt()?.enter(|tcx| tcx.resolver_for_lowering(()));
queries.global_ctxt()?.enter(|tcx| tcx.resolver_for_lowering());
if callbacks.after_expansion(compiler, queries) == Compilation::Stop {
return early_exit();

4
compiler/rustc_driver_impl/src/pretty.rs
View File

@ -229,7 +229,7 @@ impl<'tcx> PrintExtra<'tcx> {
{
match self {
PrintExtra::AfterParsing { krate, .. } => f(krate),
PrintExtra::NeedsAstMap { tcx } => f(&tcx.resolver_for_lowering(()).borrow().1),
PrintExtra::NeedsAstMap { tcx } => f(&tcx.resolver_for_lowering().borrow().1),
}
}
@ -281,7 +281,7 @@ pub fn print<'tcx>(sess: &Session, ppm: PpMode, ex: PrintExtra<'tcx>) {
}
AstTreeExpanded => {
debug!("pretty-printing expanded AST");
format!("{:#?}", ex.tcx().resolver_for_lowering(()).borrow().1)
format!("{:#?}", ex.tcx().resolver_for_lowering().borrow().1)
}
Hir(s) => {
debug!("pretty printing HIR {:?}", s);

18
compiler/rustc_interface/src/passes.rs
View File

@ -280,7 +280,7 @@ fn configure_and_expand(
fn early_lint_checks(tcx: TyCtxt<'_>, (): ()) {
let sess = tcx.sess;
let (resolver, krate) = &*tcx.resolver_for_lowering(()).borrow();
let (resolver, krate) = &*tcx.resolver_for_lowering().borrow();
let mut lint_buffer = resolver.lint_buffer.steal();
if sess.opts.unstable_opts.input_stats {
@ -531,10 +531,10 @@ fn write_out_deps(tcx: TyCtxt<'_>, outputs: &OutputFilenames, out_filenames: &[P
}
}
fn resolver_for_lowering<'tcx>(
fn resolver_for_lowering_raw<'tcx>(
tcx: TyCtxt<'tcx>,
(): (),
) -> &'tcx Steal<(ty::ResolverAstLowering, Lrc<ast::Crate>)> {
) -> (&'tcx Steal<(ty::ResolverAstLowering, Lrc<ast::Crate>)>, &'tcx ty::ResolverGlobalCtxt) {
let arenas = Resolver::arenas();
let _ = tcx.registered_tools(()); // Uses `crate_for_resolver`.
let (krate, pre_configured_attrs) = tcx.crate_for_resolver(()).steal();
@ -549,16 +549,15 @@ fn resolver_for_lowering<'tcx>(
ast_lowering: untracked_resolver_for_lowering,
} = resolver.into_outputs();
let feed = tcx.feed_unit_query();
feed.resolutions(tcx.arena.alloc(untracked_resolutions));
tcx.arena.alloc(Steal::new((untracked_resolver_for_lowering, Lrc::new(krate))))
let resolutions = tcx.arena.alloc(untracked_resolutions);
(tcx.arena.alloc(Steal::new((untracked_resolver_for_lowering, Lrc::new(krate)))), resolutions)
}
pub(crate) fn write_dep_info(tcx: TyCtxt<'_>) {
// Make sure name resolution and macro expansion is run for
// the side-effect of providing a complete set of all
// accessed files and env vars.
let _ = tcx.resolver_for_lowering(());
let _ = tcx.resolver_for_lowering();
let sess = tcx.sess;
let _timer = sess.timer("write_dep_info");
@ -607,7 +606,10 @@ pub static DEFAULT_QUERY_PROVIDERS: LazyLock<Providers> = LazyLock::new(|| {
let providers = &mut Providers::default();
providers.analysis = analysis;
providers.hir_crate = rustc_ast_lowering::lower_to_hir;
providers.resolver_for_lowering = resolver_for_lowering;
providers.resolver_for_lowering_raw = resolver_for_lowering_raw;
providers.stripped_cfg_items =
|tcx, _| tcx.arena.alloc_from_iter(tcx.resolutions(()).stripped_cfg_items.steal());
providers.resolutions = |tcx, ()| tcx.resolver_for_lowering_raw(()).1;
providers.early_lint_checks = early_lint_checks;
proc_macro_decls::provide(providers);
rustc_const_eval::provide(providers);

12
compiler/rustc_interface/src/queries.rs
View File

@ -8,8 +8,7 @@ use rustc_codegen_ssa::CodegenResults;
use rustc_data_structures::steal::Steal;
use rustc_data_structures::svh::Svh;
use rustc_data_structures::sync::{AppendOnlyIndexVec, FreezeLock, OnceLock, WorkerLocal};
use rustc_hir::def::DefKind;
use rustc_hir::def_id::{StableCrateId, CRATE_DEF_ID, LOCAL_CRATE};
use rustc_hir::def_id::{StableCrateId, LOCAL_CRATE};
use rustc_hir::definitions::Definitions;
use rustc_incremental::setup_dep_graph;
use rustc_metadata::creader::CStore;
@ -144,10 +143,8 @@ impl<'tcx> Queries<'tcx> {
stable_crate_id,
)) as _);
let definitions = FreezeLock::new(Definitions::new(stable_crate_id));
let source_span = AppendOnlyIndexVec::new();
let _id = source_span.push(krate.spans.inner_span);
debug_assert_eq!(_id, CRATE_DEF_ID);
let untracked = Untracked { cstore, source_span, definitions };
let untracked =
Untracked { cstore, source_span: AppendOnlyIndexVec::new(), definitions };
let qcx = passes::create_global_ctxt(
self.compiler,
@ -172,9 +169,6 @@ impl<'tcx> Queries<'tcx> {
)));
feed.crate_for_resolver(tcx.arena.alloc(Steal::new((krate, pre_configured_attrs))));
feed.output_filenames(Arc::new(outputs));
let feed = tcx.feed_local_def_id(CRATE_DEF_ID);
feed.def_kind(DefKind::Mod);
});
Ok(qcx)
})

4
compiler/rustc_middle/src/query/mod.rs
View File

@ -125,12 +125,11 @@ rustc_queries! {
}
query resolutions(_: ()) -> &'tcx ty::ResolverGlobalCtxt {
feedable
no_hash
desc { "getting the resolver outputs" }
}
query resolver_for_lowering(_: ()) -> &'tcx Steal<(ty::ResolverAstLowering, Lrc<ast::Crate>)> {
query resolver_for_lowering_raw(_: ()) -> (&'tcx Steal<(ty::ResolverAstLowering, Lrc<ast::Crate>)>, &'tcx ty::ResolverGlobalCtxt) {
eval_always
no_hash
desc { "getting the resolver for lowering" }
@ -2216,7 +2215,6 @@ rustc_queries! {
/// Should not be called for the local crate before the resolver outputs are created, as it
/// is only fed there.
query stripped_cfg_items(cnum: CrateNum) -> &'tcx [StrippedCfgItem] {
feedable
desc { "getting cfg-ed out item names" }
separate_provide_extern
}

71
compiler/rustc_middle/src/ty/context.rs
View File

@ -39,7 +39,7 @@ use rustc_data_structures::profiling::SelfProfilerRef;
use rustc_data_structures::sharded::{IntoPointer, ShardedHashMap};
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::steal::Steal;
use rustc_data_structures::sync::{self, FreezeReadGuard, Lock, WorkerLocal};
use rustc_data_structures::sync::{self, FreezeReadGuard, Lock, Lrc, WorkerLocal};
#[cfg(parallel_compiler)]
use rustc_data_structures::sync::{DynSend, DynSync};
use rustc_data_structures::unord::UnordSet;
@ -60,7 +60,7 @@ use rustc_session::config::CrateType;
use rustc_session::cstore::{CrateStoreDyn, Untracked};
use rustc_session::lint::Lint;
use rustc_session::{Limit, MetadataKind, Session};
use rustc_span::def_id::{DefPathHash, StableCrateId};
use rustc_span::def_id::{DefPathHash, StableCrateId, CRATE_DEF_ID};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::{Span, DUMMY_SP};
use rustc_target::abi::{FieldIdx, Layout, LayoutS, TargetDataLayout, VariantIdx};
@ -74,6 +74,7 @@ use std::cmp::Ordering;
use std::fmt;
use std::hash::{Hash, Hasher};
use std::iter;
use std::marker::PhantomData;
use std::mem;
use std::ops::{Bound, Deref};
@ -498,14 +499,55 @@ pub struct TyCtxtFeed<'tcx, KEY: Copy> {
key: KEY,
}
/// Never return a `Feed` from a query. Only queries that create a `DefId` are
/// allowed to feed queries for that `DefId`.
impl<KEY: Copy, CTX> !HashStable<CTX> for TyCtxtFeed<'_, KEY> {}
/// The same as `TyCtxtFeed`, but does not contain a `TyCtxt`.
/// Use this to pass around when you have a `TyCtxt` elsewhere.
/// Just an optimization to save space and not store hundreds of
/// `TyCtxtFeed` in the resolver.
#[derive(Copy, Clone)]
pub struct Feed<'tcx, KEY: Copy> {
_tcx: PhantomData<TyCtxt<'tcx>>,
// Do not allow direct access, as downstream code must not mutate this field.
key: KEY,
}
/// Never return a `Feed` from a query. Only queries that create a `DefId` are
/// allowed to feed queries for that `DefId`.
impl<KEY: Copy, CTX> !HashStable<CTX> for Feed<'_, KEY> {}
impl<T: fmt::Debug + Copy> fmt::Debug for Feed<'_, T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.key.fmt(f)
}
}
/// Some workarounds to use cases that cannot use `create_def`.
/// Do not add new ways to create `TyCtxtFeed` without consulting
/// with T-compiler and making an analysis about why your addition
/// does not cause incremental compilation issues.
impl<'tcx> TyCtxt<'tcx> {
/// Can only be fed before queries are run, and is thus exempt from any
/// incremental issues. Do not use except for the initial query feeding.
pub fn feed_unit_query(self) -> TyCtxtFeed<'tcx, ()> {
self.dep_graph.assert_ignored();
TyCtxtFeed { tcx: self, key: () }
}
/// Can only be fed before queries are run, and is thus exempt from any
/// incremental issues. Do not use except for the initial query feeding.
pub fn feed_local_crate(self) -> TyCtxtFeed<'tcx, CrateNum> {
self.dep_graph.assert_ignored();
TyCtxtFeed { tcx: self, key: LOCAL_CRATE }
}
pub fn feed_local_def_id(self, key: LocalDefId) -> TyCtxtFeed<'tcx, LocalDefId> {
/// Only used in the resolver to register the `CRATE_DEF_ID` `DefId` and feed
/// some queries for it. It will panic if used twice.
pub fn create_local_crate_def_id(self, span: Span) -> TyCtxtFeed<'tcx, LocalDefId> {
let key = self.untracked().source_span.push(span);
assert_eq!(key, CRATE_DEF_ID);
TyCtxtFeed { tcx: self, key }
}
@ -523,6 +565,23 @@ impl<'tcx, KEY: Copy> TyCtxtFeed<'tcx, KEY> {
pub fn key(&self) -> KEY {
self.key
}
#[inline(always)]
pub fn downgrade(self) -> Feed<'tcx, KEY> {
Feed { _tcx: PhantomData, key: self.key }
}
}
impl<'tcx, KEY: Copy> Feed<'tcx, KEY> {
#[inline(always)]
pub fn key(&self) -> KEY {
self.key
}
#[inline(always)]
pub fn upgrade(self, tcx: TyCtxt<'tcx>) -> TyCtxtFeed<'tcx, KEY> {
TyCtxtFeed { tcx, key: self.key }
}
}
impl<'tcx> TyCtxtFeed<'tcx, LocalDefId> {
@ -1067,7 +1126,7 @@ impl<'tcx> TyCtxt<'tcx> {
// needs to be re-evaluated.
self.dep_graph.read_index(DepNodeIndex::FOREVER_RED_NODE);
let feed = self.feed_local_def_id(def_id);
let feed = TyCtxtFeed { tcx: self, key: def_id };
feed.def_kind(def_kind);
// Unique types created for closures participate in type privacy checking.
// They have visibilities inherited from the module they are defined in.
@ -2304,6 +2363,10 @@ impl<'tcx> TyCtxt<'tcx> {
self.resolutions(()).module_children.get(&def_id).map_or(&[], |v| &v[..])
}
pub fn resolver_for_lowering(self) -> &'tcx Steal<(ty::ResolverAstLowering, Lrc<ast::Crate>)> {
self.resolver_for_lowering_raw(()).0
}
/// Given an `impl_id`, return the trait it implements.
/// Return `None` if this is an inherent impl.
pub fn impl_trait_ref(

5
compiler/rustc_middle/src/ty/mod.rs
View File

@ -32,6 +32,7 @@ pub use generic_args::*;
pub use generics::*;
pub use intrinsic::IntrinsicDef;
use rustc_ast as ast;
use rustc_ast::expand::StrippedCfgItem;
use rustc_ast::node_id::NodeMap;
pub use rustc_ast_ir::{try_visit, Movability, Mutability};
use rustc_attr as attr;
@ -85,7 +86,8 @@ pub use self::consts::{
Const, ConstData, ConstInt, ConstKind, Expr, ScalarInt, UnevaluatedConst, ValTree,
};
pub use self::context::{
tls, CtxtInterners, DeducedParamAttrs, FreeRegionInfo, GlobalCtxt, Lift, TyCtxt, TyCtxtFeed,
tls, CtxtInterners, DeducedParamAttrs, Feed, FreeRegionInfo, GlobalCtxt, Lift, TyCtxt,
TyCtxtFeed,
};
pub use self::instance::{Instance, InstanceDef, ShortInstance, UnusedGenericParams};
pub use self::list::List;
@ -189,6 +191,7 @@ pub struct ResolverGlobalCtxt {
pub doc_link_resolutions: FxHashMap<LocalDefId, DocLinkResMap>,
pub doc_link_traits_in_scope: FxHashMap<LocalDefId, Vec<DefId>>,
pub all_macro_rules: FxHashMap<Symbol, Res<ast::NodeId>>,
pub stripped_cfg_items: Steal<Vec<StrippedCfgItem>>,
}
/// Resolutions that should only be used for lowering.

2
compiler/rustc_passes/src/debugger_visualizer.rs
View File

@ -87,7 +87,7 @@ impl<'ast> rustc_ast::visit::Visitor<'ast> for DebuggerVisualizerCollector<'_> {
/// Traverses and collects the debugger visualizers for a specific crate.
fn debugger_visualizers(tcx: TyCtxt<'_>, _: LocalCrate) -> Vec<DebuggerVisualizerFile> {
let resolver_and_krate = tcx.resolver_for_lowering(()).borrow();
let resolver_and_krate = tcx.resolver_for_lowering().borrow();
let krate = &*resolver_and_krate.1;
let mut visitor = DebuggerVisualizerCollector { sess: tcx.sess, visualizers: Vec::new() };

2
compiler/rustc_passes/src/lang_items.rs
View File

@ -243,7 +243,7 @@ impl<'ast, 'tcx> LanguageItemCollector<'ast, 'tcx> {
/// Traverses and collects all the lang items in all crates.
fn get_lang_items(tcx: TyCtxt<'_>, (): ()) -> LanguageItems {
let resolver = tcx.resolver_for_lowering(()).borrow();
let resolver = tcx.resolver_for_lowering().borrow();
let (resolver, krate) = &*resolver;
// Initialize the collector.

56
compiler/rustc_resolve/src/build_reduced_graph.rs
View File

@ -25,6 +25,7 @@ use rustc_hir::def::{self, *};
use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID};
use rustc_metadata::creader::LoadedMacro;
use rustc_middle::metadata::ModChild;
use rustc_middle::ty::Feed;
use rustc_middle::{bug, ty};
use rustc_span::hygiene::{ExpnId, LocalExpnId, MacroKind};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
@ -407,7 +408,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
// Top level use tree reuses the item's id and list stems reuse their parent
// use tree's ids, so in both cases their visibilities are already filled.
if nested && !list_stem {
self.r.feed_visibility(self.r.local_def_id(id), vis);
self.r.feed_visibility(self.r.feed(id), vis);
}
let mut prefix_iter = parent_prefix
@ -632,7 +633,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
&mut self,
fields: &[ast::FieldDef],
ident: Ident,
def_id: LocalDefId,
feed: Feed<'tcx, LocalDefId>,
adt_res: Res,
adt_vis: ty::Visibility,
adt_span: Span,
@ -643,7 +644,8 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
// Define a name in the type namespace if it is not anonymous.
self.r.define(parent, ident, TypeNS, (adt_res, adt_vis, adt_span, expansion));
self.r.feed_visibility(def_id, adt_vis);
self.r.feed_visibility(feed, adt_vis);
let def_id = feed.key();
// Record field names for error reporting.
self.insert_field_def_ids(def_id, fields);
@ -653,14 +655,15 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
match &field.ty.kind {
ast::TyKind::AnonStruct(id, nested_fields)
| ast::TyKind::AnonUnion(id, nested_fields) => {
let local_def_id = self.r.local_def_id(*id);
let feed = self.r.feed(*id);
let local_def_id = feed.key();
let def_id = local_def_id.to_def_id();
let def_kind = self.r.tcx.def_kind(local_def_id);
let res = Res::Def(def_kind, def_id);
self.build_reduced_graph_for_struct_variant(
&nested_fields,
Ident::empty(),
local_def_id,
feed,
res,
// Anonymous adts inherit visibility from their parent adts.
adt_vis,
@ -680,12 +683,13 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
let ident = item.ident;
let sp = item.span;
let vis = self.resolve_visibility(&item.vis);
let local_def_id = self.r.local_def_id(item.id);
let feed = self.r.feed(item.id);
let local_def_id = feed.key();
let def_id = local_def_id.to_def_id();
let def_kind = self.r.tcx.def_kind(def_id);
let res = Res::Def(def_kind, def_id);
self.r.feed_visibility(local_def_id, vis);
self.r.feed_visibility(feed, vis);
match item.kind {
ItemKind::Use(ref use_tree) => {
@ -762,7 +766,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
self.build_reduced_graph_for_struct_variant(
vdata.fields(),
ident,
local_def_id,
feed,
res,
vis,
sp,
@ -795,10 +799,11 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
}
ret_fields.push(field_vis.to_def_id());
}
let ctor_def_id = self.r.local_def_id(ctor_node_id);
let feed = self.r.feed(ctor_node_id);
let ctor_def_id = feed.key();
let ctor_res = self.res(ctor_def_id);
self.r.define(parent, ident, ValueNS, (ctor_res, ctor_vis, sp, expansion));
self.r.feed_visibility(ctor_def_id, ctor_vis);
self.r.feed_visibility(feed, ctor_vis);
// We need the field visibility spans also for the constructor for E0603.
self.insert_field_visibilities_local(ctor_def_id.to_def_id(), vdata.fields());
@ -812,7 +817,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
self.build_reduced_graph_for_struct_variant(
vdata.fields(),
ident,
local_def_id,
feed,
res,
vis,
sp,
@ -919,7 +924,8 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
/// Constructs the reduced graph for one foreign item.
fn build_reduced_graph_for_foreign_item(&mut self, item: &ForeignItem) {
let local_def_id = self.r.local_def_id(item.id);
let feed = self.r.feed(item.id);
let local_def_id = feed.key();
let def_id = local_def_id.to_def_id();
let ns = match item.kind {
ForeignItemKind::Fn(..) => ValueNS,
@ -931,7 +937,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
let expansion = self.parent_scope.expansion;
let vis = self.resolve_visibility(&item.vis);
self.r.define(parent, item.ident, ns, (self.res(def_id), vis, item.span, expansion));
self.r.feed_visibility(local_def_id, vis);
self.r.feed_visibility(feed, vis);
}
fn build_reduced_graph_for_block(&mut self, block: &Block) {
@ -1218,7 +1224,8 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
fn define_macro(&mut self, item: &ast::Item) -> MacroRulesScopeRef<'a> {
let parent_scope = self.parent_scope;
let expansion = parent_scope.expansion;
let def_id = self.r.local_def_id(item.id);
let feed = self.r.feed(item.id);
let def_id = feed.key();
let (res, ident, span, macro_rules) = match &item.kind {
ItemKind::MacroDef(def) => (self.res(def_id), item.ident, item.span, def.macro_rules),
ItemKind::Fn(..) => match self.proc_macro_stub(item) {
@ -1269,7 +1276,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
self.r.check_reserved_macro_name(ident, res);
self.insert_unused_macro(ident, def_id, item.id);
}
self.r.feed_visibility(def_id, vis);
self.r.feed_visibility(feed, vis);
let scope = self.r.arenas.alloc_macro_rules_scope(MacroRulesScope::Binding(
self.r.arenas.alloc_macro_rules_binding(MacroRulesBinding {
parent_macro_rules_scope: parent_scope.macro_rules,
@ -1293,7 +1300,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> {
self.insert_unused_macro(ident, def_id, item.id);
}
self.r.define(module, ident, MacroNS, (res, vis, span, expansion));
self.r.feed_visibility(def_id, vis);
self.r.feed_visibility(feed, vis);
self.parent_scope.macro_rules
}
}
@ -1385,7 +1392,8 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> {
}
let vis = self.resolve_visibility(&item.vis);
let local_def_id = self.r.local_def_id(item.id);
let feed = self.r.feed(item.id);
let local_def_id = feed.key();
let def_id = local_def_id.to_def_id();
if !(ctxt == AssocCtxt::Impl
@ -1395,7 +1403,7 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> {
// Trait impl item visibility is inherited from its trait when not specified
// explicitly. In that case we cannot determine it here in early resolve,
// so we leave a hole in the visibility table to be filled later.
self.r.feed_visibility(local_def_id, vis);
self.r.feed_visibility(feed, vis);
}
if ctxt == AssocCtxt::Trait {
@ -1469,7 +1477,7 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> {
self.visit_invoc(sf.id);
} else {
let vis = self.resolve_visibility(&sf.vis);
self.r.feed_visibility(self.r.local_def_id(sf.id), vis);
self.r.feed_visibility(self.r.feed(sf.id), vis);
visit::walk_field_def(self, sf);
}
}
@ -1487,10 +1495,11 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> {
let ident = variant.ident;
// Define a name in the type namespace.
let def_id = self.r.local_def_id(variant.id);
let feed = self.r.feed(variant.id);
let def_id = feed.key();
let vis = self.resolve_visibility(&variant.vis);
self.r.define(parent, ident, TypeNS, (self.res(def_id), vis, variant.span, expn_id));
self.r.feed_visibility(def_id, vis);
self.r.feed_visibility(feed, vis);
// If the variant is marked as non_exhaustive then lower the visibility to within the crate.
let ctor_vis =
@ -1502,10 +1511,11 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> {
// Define a constructor name in the value namespace.
if let Some(ctor_node_id) = variant.data.ctor_node_id() {
let ctor_def_id = self.r.local_def_id(ctor_node_id);
let feed = self.r.feed(ctor_node_id);
let ctor_def_id = feed.key();
let ctor_res = self.res(ctor_def_id);
self.r.define(parent, ident, ValueNS, (ctor_res, ctor_vis, variant.span, expn_id));
self.r.feed_visibility(ctor_def_id, ctor_vis);
self.r.feed_visibility(feed, ctor_vis);
}
// Record field names for error reporting.

18
compiler/rustc_resolve/src/def_collector.rs
View File

@ -38,14 +38,16 @@ impl<'a, 'b, 'tcx> DefCollector<'a, 'b, 'tcx> {
"create_def(node_id={:?}, def_kind={:?}, parent_def={:?})",
node_id, def_kind, parent_def
);
self.resolver.create_def(
parent_def,
node_id,
name,
def_kind,
self.expansion.to_expn_id(),
span.with_parent(None),
)
self.resolver
.create_def(
parent_def,
node_id,
name,
def_kind,
self.expansion.to_expn_id(),
span.with_parent(None),
)
.def_id()
}
fn with_parent<F: FnOnce(&mut Self)>(&mut self, parent_def: LocalDefId, f: F) {

2
compiler/rustc_resolve/src/late.rs
View File

@ -3121,7 +3121,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> {
);
rustc_middle::ty::Visibility::Public
};
this.r.feed_visibility(this.r.local_def_id(id), vis);
this.r.feed_visibility(this.r.feed(id), vis);
};
let Some(binding) = binding else {

67
compiler/rustc_resolve/src/lib.rs
View File

@ -52,8 +52,8 @@ use rustc_middle::metadata::ModChild;
use rustc_middle::middle::privacy::EffectiveVisibilities;
use rustc_middle::query::Providers;
use rustc_middle::span_bug;
use rustc_middle::ty::{self, MainDefinition, RegisteredTools, TyCtxt};
use rustc_middle::ty::{ResolverGlobalCtxt, ResolverOutputs};
use rustc_middle::ty::{self, MainDefinition, RegisteredTools, TyCtxt, TyCtxtFeed};
use rustc_middle::ty::{Feed, ResolverGlobalCtxt, ResolverOutputs};
use rustc_query_system::ich::StableHashingContext;
use rustc_session::lint::builtin::PRIVATE_MACRO_USE;
use rustc_session::lint::LintBuffer;
@ -1117,7 +1117,7 @@ pub struct Resolver<'a, 'tcx> {
next_node_id: NodeId,
node_id_to_def_id: NodeMap<LocalDefId>,
node_id_to_def_id: NodeMap<Feed<'tcx, LocalDefId>>,
def_id_to_node_id: IndexVec<LocalDefId, ast::NodeId>,
/// Indices of unnamed struct or variant fields with unresolved attributes.
@ -1233,11 +1233,19 @@ impl<'a, 'tcx> AsMut<Resolver<'a, 'tcx>> for Resolver<'a, 'tcx> {
impl<'tcx> Resolver<'_, 'tcx> {
fn opt_local_def_id(&self, node: NodeId) -> Option<LocalDefId> {
self.node_id_to_def_id.get(&node).copied()
self.opt_feed(node).map(|f| f.key())
}
fn local_def_id(&self, node: NodeId) -> LocalDefId {
self.opt_local_def_id(node).unwrap_or_else(|| panic!("no entry for node id: `{node:?}`"))
self.feed(node).key()
}
fn opt_feed(&self, node: NodeId) -> Option<Feed<'tcx, LocalDefId>> {
self.node_id_to_def_id.get(&node).copied()
}
fn feed(&self, node: NodeId) -> Feed<'tcx, LocalDefId> {
self.opt_feed(node).unwrap_or_else(|| panic!("no entry for node id: `{node:?}`"))
}
fn local_def_kind(&self, node: NodeId) -> DefKind {
@ -1253,18 +1261,19 @@ impl<'tcx> Resolver<'_, 'tcx> {
def_kind: DefKind,
expn_id: ExpnId,
span: Span,
) -> LocalDefId {
) -> TyCtxtFeed<'tcx, LocalDefId> {
let data = def_kind.def_path_data(name);
assert!(
!self.node_id_to_def_id.contains_key(&node_id),
"adding a def'n for node-id {:?} and data {:?} but a previous def'n exists: {:?}",
node_id,
data,
self.tcx.definitions_untracked().def_key(self.node_id_to_def_id[&node_id]),
self.tcx.definitions_untracked().def_key(self.node_id_to_def_id[&node_id].key()),
);
// FIXME: remove `def_span` body, pass in the right spans here and call `tcx.at().create_def()`
let def_id = self.tcx.create_def(parent, name, def_kind).def_id();
let feed = self.tcx.create_def(parent, name, def_kind);
let def_id = feed.def_id();
// Create the definition.
if expn_id != ExpnId::root() {
@ -1281,11 +1290,11 @@ impl<'tcx> Resolver<'_, 'tcx> {
// we don't need a mapping from `NodeId` to `LocalDefId`.
if node_id != ast::DUMMY_NODE_ID {
debug!("create_def: def_id_to_node_id[{:?}] <-> {:?}", def_id, node_id);
self.node_id_to_def_id.insert(node_id, def_id);
self.node_id_to_def_id.insert(node_id, feed.downgrade());
}
assert_eq!(self.def_id_to_node_id.push(node_id), def_id);
def_id
feed
}
fn item_generics_num_lifetimes(&self, def_id: DefId) -> usize {
@ -1333,7 +1342,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
let mut def_id_to_node_id = IndexVec::default();
assert_eq!(def_id_to_node_id.push(CRATE_NODE_ID), CRATE_DEF_ID);
let mut node_id_to_def_id = NodeMap::default();
node_id_to_def_id.insert(CRATE_NODE_ID, CRATE_DEF_ID);
let crate_feed = tcx.create_local_crate_def_id(crate_span);
crate_feed.def_kind(DefKind::Mod);
let crate_feed = crate_feed.downgrade();
node_id_to_def_id.insert(CRATE_NODE_ID, crate_feed);
let mut invocation_parents = FxHashMap::default();
invocation_parents.insert(LocalExpnId::ROOT, (CRATE_DEF_ID, ImplTraitContext::Existential));
@ -1484,7 +1497,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
let root_parent_scope = ParentScope::module(graph_root, &resolver);
resolver.invocation_parent_scopes.insert(LocalExpnId::ROOT, root_parent_scope);
resolver.feed_visibility(CRATE_DEF_ID, ty::Visibility::Public);
resolver.feed_visibility(crate_feed, ty::Visibility::Public);
resolver
}
@ -1532,9 +1545,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
Default::default()
}
fn feed_visibility(&mut self, def_id: LocalDefId, vis: ty::Visibility) {
self.tcx.feed_local_def_id(def_id).visibility(vis.to_def_id());
self.visibilities_for_hashing.push((def_id, vis));
fn feed_visibility(&mut self, feed: Feed<'tcx, LocalDefId>, vis: ty::Visibility) {
let feed = feed.upgrade(self.tcx);
feed.visibility(vis.to_def_id());
self.visibilities_for_hashing.push((feed.def_id(), vis));
}
pub fn into_outputs(self) -> ResolverOutputs {
@ -1547,12 +1561,16 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
let confused_type_with_std_module = self.confused_type_with_std_module;
let effective_visibilities = self.effective_visibilities;
self.tcx.feed_local_crate().stripped_cfg_items(self.tcx.arena.alloc_from_iter(
self.stripped_cfg_items.into_iter().filter_map(|item| {
let parent_module = self.node_id_to_def_id.get(&item.parent_module)?.to_def_id();
Some(StrippedCfgItem { parent_module, name: item.name, cfg: item.cfg })
}),
));
let stripped_cfg_items = Steal::new(
self.stripped_cfg_items
.into_iter()
.filter_map(|item| {
let parent_module =
self.node_id_to_def_id.get(&item.parent_module)?.key().to_def_id();
Some(StrippedCfgItem { parent_module, name: item.name, cfg: item.cfg })
})
.collect(),
);
let global_ctxt = ResolverGlobalCtxt {
expn_that_defined,
@ -1569,6 +1587,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
doc_link_resolutions: self.doc_link_resolutions,
doc_link_traits_in_scope: self.doc_link_traits_in_scope,
all_macro_rules: self.all_macro_rules,
stripped_cfg_items,
};
let ast_lowering = ty::ResolverAstLowering {
legacy_const_generic_args: self.legacy_const_generic_args,
@ -1578,7 +1597,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
lifetimes_res_map: self.lifetimes_res_map,
extra_lifetime_params_map: self.extra_lifetime_params_map,
next_node_id: self.next_node_id,
node_id_to_def_id: self.node_id_to_def_id,
node_id_to_def_id: self
.node_id_to_def_id
.into_items()
.map(|(k, f)| (k, f.key()))
.collect(),
def_id_to_node_id: self.def_id_to_node_id,
trait_map: self.trait_map,
lifetime_elision_allowed: self.lifetime_elision_allowed,

2
tests/ui/panics/default-backtrace-ice.stderr
View File

@ -21,5 +21,5 @@ error: the compiler unexpectedly panicked. this is a bug.
query stack during panic:
#0 [resolver_for_lowering] getting the resolver for lowering
#0 [resolver_for_lowering_raw] getting the resolver for lowering
end of query stack