1 use crate::dep_graph::{self, DepConstructor, DepNode};
2 use crate::hir::def_id::{CrateNum, DefId, DefIndex};
3 use crate::hir::def::{Def, Export};
4 use crate::hir::{self, TraitCandidate, ItemLocalId, CodegenFnAttrs};
5 use crate::infer::canonical::{self, Canonical};
7 use crate::middle::borrowck::BorrowCheckResult;
8 use crate::middle::cstore::{ExternCrate, LinkagePreference, NativeLibrary, ForeignModule};
9 use crate::middle::cstore::{NativeLibraryKind, DepKind, CrateSource};
10 use crate::middle::privacy::AccessLevels;
11 use crate::middle::reachable::ReachableSet;
12 use crate::middle::region;
13 use crate::middle::resolve_lifetime::{ResolveLifetimes, Region, ObjectLifetimeDefault};
14 use crate::middle::stability::{self, DeprecationEntry};
15 use crate::middle::lib_features::LibFeatures;
16 use crate::middle::lang_items::{LanguageItems, LangItem};
17 use crate::middle::exported_symbols::{SymbolExportLevel, ExportedSymbol};
18 use crate::mir::interpret::{ConstEvalRawResult, ConstEvalResult};
19 use crate::mir::mono::CodegenUnit;
21 use crate::mir::interpret::GlobalId;
22 use crate::session::CrateDisambiguator;
23 use crate::session::config::{EntryFnType, OutputFilenames, OptLevel};
24 use crate::traits::{self, Vtable};
25 use crate::traits::query::{
26 CanonicalPredicateGoal, CanonicalProjectionGoal,
27 CanonicalTyGoal, CanonicalTypeOpAscribeUserTypeGoal,
28 CanonicalTypeOpEqGoal, CanonicalTypeOpSubtypeGoal, CanonicalTypeOpProvePredicateGoal,
29 CanonicalTypeOpNormalizeGoal, NoSolution,
31 use crate::traits::query::method_autoderef::MethodAutoderefStepsResult;
32 use crate::traits::query::dropck_outlives::{DtorckConstraint, DropckOutlivesResult};
33 use crate::traits::query::normalize::NormalizationResult;
34 use crate::traits::query::outlives_bounds::OutlivesBound;
35 use crate::traits::specialization_graph;
36 use crate::traits::Clauses;
37 use crate::ty::{self, CrateInherentImpls, ParamEnvAnd, Ty, TyCtxt, AdtSizedConstraint};
38 use crate::ty::steal::Steal;
39 use crate::ty::util::NeedsDrop;
40 use crate::ty::subst::SubstsRef;
41 use crate::util::nodemap::{DefIdSet, DefIdMap, ItemLocalSet};
42 use crate::util::common::{ErrorReported};
43 use crate::util::profiling::ProfileCategory::*;
44 use crate::session::Session;
46 use rustc_data_structures::svh::Svh;
47 use rustc_data_structures::bit_set::BitSet;
48 use rustc_data_structures::indexed_vec::IndexVec;
49 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
50 use rustc_data_structures::stable_hasher::StableVec;
51 use rustc_data_structures::sync::Lrc;
52 use rustc_data_structures::fingerprint::Fingerprint;
53 use rustc_target::spec::PanicStrategy;
58 use std::intrinsics::type_name;
59 use syntax_pos::{Span, DUMMY_SP};
60 use syntax_pos::symbol::InternedString;
63 use syntax::feature_gate;
64 use syntax::symbol::Symbol;
68 use self::plumbing::*;
69 pub use self::plumbing::{force_from_dep_node, CycleError};
72 pub use self::job::{QueryJob, QueryInfo};
73 #[cfg(parallel_compiler)]
74 pub use self::job::handle_deadlock;
80 use self::values::Value;
83 pub(crate) use self::config::QueryDescription;
84 pub use self::config::QueryConfig;
85 use self::config::QueryAccessors;
88 pub use self::on_disk_cache::OnDiskCache;
90 // Each of these queries corresponds to a function pointer field in the
91 // `Providers` struct for requesting a value of that type, and a method
92 // on `tcx: TyCtxt` (and `tcx.at(span)`) for doing that request in a way
93 // which memoizes and does dep-graph tracking, wrapping around the actual
94 // `Providers` that the driver creates (using several `rustc_*` crates).
96 // The result type of each query must implement `Clone`, and additionally
97 // `ty::query::values::Value`, which produces an appropriate placeholder
98 // (error) value if the query resulted in a query cycle.
99 // Queries marked with `fatal_cycle` do not need the latter implementation,
100 // as they will raise an fatal error on query cycles instead.
102 rustc_query_append! { [define_queries!][ <'tcx>
104 /// Run analysis passes on the crate
105 [] fn analysis: Analysis(CrateNum) -> Result<(), ErrorReported>,
107 /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
108 /// predicates (where-clauses) directly defined on it. This is
109 /// equal to the `explicit_predicates_of` predicates plus the
110 /// `inferred_outlives_of` predicates.
111 [] fn predicates_defined_on: PredicatesDefinedOnItem(DefId)
112 -> Lrc<ty::GenericPredicates<'tcx>>,
114 /// Returns the predicates written explicit by the user.
115 [] fn explicit_predicates_of: ExplicitPredicatesOfItem(DefId)
116 -> Lrc<ty::GenericPredicates<'tcx>>,
118 /// Returns the inferred outlives predicates (e.g., for `struct
119 /// Foo<'a, T> { x: &'a T }`, this would return `T: 'a`).
120 [] fn inferred_outlives_of: InferredOutlivesOf(DefId) -> Lrc<Vec<ty::Predicate<'tcx>>>,
122 /// Maps from the `DefId` of a trait to the list of
123 /// super-predicates. This is a subset of the full list of
124 /// predicates. We store these in a separate map because we must
125 /// evaluate them even during type conversion, often before the
126 /// full predicates are available (note that supertraits have
127 /// additional acyclicity requirements).
128 [] fn super_predicates_of: SuperPredicatesOfItem(DefId) -> Lrc<ty::GenericPredicates<'tcx>>,
130 /// To avoid cycles within the predicates of a single item we compute
131 /// per-type-parameter predicates for resolving `T::AssocTy`.
132 [] fn type_param_predicates: type_param_predicates((DefId, DefId))
133 -> Lrc<ty::GenericPredicates<'tcx>>,
135 [] fn trait_def: TraitDefOfItem(DefId) -> &'tcx ty::TraitDef,
136 [] fn adt_def: AdtDefOfItem(DefId) -> &'tcx ty::AdtDef,
137 [] fn adt_destructor: AdtDestructor(DefId) -> Option<ty::Destructor>,
139 // The cycle error here should be reported as an error by `check_representable`.
140 // We consider the type as Sized in the meanwhile to avoid
141 // further errors (done in impl Value for AdtSizedConstraint).
142 // Use `cycle_delay_bug` to delay the cycle error here to be emitted later
143 // in case we accidentally otherwise don't emit an error.
144 [cycle_delay_bug] fn adt_sized_constraint: SizedConstraint(
146 ) -> AdtSizedConstraint<'tcx>,
148 [] fn adt_dtorck_constraint: DtorckConstraint(
150 ) -> Result<DtorckConstraint<'tcx>, NoSolution>,
152 /// True if this is a const fn, use the `is_const_fn` to know whether your crate actually
153 /// sees it as const fn (e.g., the const-fn-ness might be unstable and you might not have
154 /// the feature gate active)
156 /// **Do not call this function manually.** It is only meant to cache the base data for the
157 /// `is_const_fn` function.
158 [] fn is_const_fn_raw: IsConstFn(DefId) -> bool,
161 /// Returns true if calls to the function may be promoted
163 /// This is either because the function is e.g., a tuple-struct or tuple-variant
164 /// constructor, or because it has the `#[rustc_promotable]` attribute. The attribute should
165 /// be removed in the future in favour of some form of check which figures out whether the
166 /// function does not inspect the bits of any of its arguments (so is essentially just a
167 /// constructor function).
168 [] fn is_promotable_const_fn: IsPromotableConstFn(DefId) -> bool,
170 /// True if this is a foreign item (i.e., linked via `extern { ... }`).
171 [] fn is_foreign_item: IsForeignItem(DefId) -> bool,
173 /// Get a map with the variance of every item; use `item_variance`
175 [] fn crate_variances: crate_variances(CrateNum) -> Lrc<ty::CrateVariancesMap>,
177 /// Maps from def-id of a type or region parameter to its
178 /// (inferred) variance.
179 [] fn variances_of: ItemVariances(DefId) -> Lrc<Vec<ty::Variance>>,
183 /// Maps from def-id of a type to its (inferred) outlives.
184 [] fn inferred_outlives_crate: InferredOutlivesCrate(CrateNum)
185 -> Lrc<ty::CratePredicatesMap<'tcx>>,
189 /// Maps from an impl/trait def-id to a list of the def-ids of its items
190 [] fn associated_item_def_ids: AssociatedItemDefIds(DefId) -> Lrc<Vec<DefId>>,
192 /// Maps from a trait item to the trait item "descriptor"
193 [] fn associated_item: AssociatedItems(DefId) -> ty::AssociatedItem,
195 [] fn impl_trait_ref: ImplTraitRef(DefId) -> Option<ty::TraitRef<'tcx>>,
196 [] fn impl_polarity: ImplPolarity(DefId) -> hir::ImplPolarity,
198 [] fn issue33140_self_ty: Issue33140SelfTy(DefId) -> Option<ty::Ty<'tcx>>,
202 /// Maps a DefId of a type to a list of its inherent impls.
203 /// Contains implementations of methods that are inherent to a type.
204 /// Methods in these implementations don't need to be exported.
205 [] fn inherent_impls: InherentImpls(DefId) -> Lrc<Vec<DefId>>,
209 /// Set of all the `DefId`s in this crate that have MIR associated with
210 /// them. This includes all the body owners, but also things like struct
212 [] fn mir_keys: mir_keys(CrateNum) -> Lrc<DefIdSet>,
214 /// Maps DefId's that have an associated Mir to the result
215 /// of the MIR qualify_consts pass. The actual meaning of
216 /// the value isn't known except to the pass itself.
217 [] fn mir_const_qualif: MirConstQualif(DefId) -> (u8, Lrc<BitSet<mir::Local>>),
219 /// Fetch the MIR for a given `DefId` right after it's built - this includes
220 /// unreachable code.
221 [] fn mir_built: MirBuilt(DefId) -> &'tcx Steal<mir::Mir<'tcx>>,
223 /// Fetch the MIR for a given `DefId` up till the point where it is
224 /// ready for const evaluation.
226 /// See the README for the `mir` module for details.
227 [no_hash] fn mir_const: MirConst(DefId) -> &'tcx Steal<mir::Mir<'tcx>>,
229 [no_hash] fn mir_validated: MirValidated(DefId) -> &'tcx Steal<mir::Mir<'tcx>>,
231 /// MIR after our optimization passes have run. This is MIR that is ready
232 /// for codegen. This is also the only query that can fetch non-local MIR, at present.
233 [] fn optimized_mir: MirOptimized(DefId) -> &'tcx mir::Mir<'tcx>,
237 /// The result of unsafety-checking this `DefId`.
238 [] fn unsafety_check_result: UnsafetyCheckResult(DefId) -> mir::UnsafetyCheckResult,
240 /// HACK: when evaluated, this reports a "unsafe derive on repr(packed)" error
241 [] fn unsafe_derive_on_repr_packed: UnsafeDeriveOnReprPacked(DefId) -> (),
243 /// The signature of functions and closures.
244 [] fn fn_sig: FnSignature(DefId) -> ty::PolyFnSig<'tcx>,
248 /// Checks the attributes in the module
249 [] fn check_mod_attrs: CheckModAttrs(DefId) -> (),
251 [] fn check_mod_unstable_api_usage: CheckModUnstableApiUsage(DefId) -> (),
253 /// Checks the loops in the module
254 [] fn check_mod_loops: CheckModLoops(DefId) -> (),
256 [] fn check_mod_item_types: CheckModItemTypes(DefId) -> (),
258 [] fn check_mod_privacy: CheckModPrivacy(DefId) -> (),
260 [] fn check_mod_intrinsics: CheckModIntrinsics(DefId) -> (),
262 [] fn check_mod_liveness: CheckModLiveness(DefId) -> (),
264 [] fn check_mod_impl_wf: CheckModImplWf(DefId) -> (),
266 [] fn collect_mod_item_types: CollectModItemTypes(DefId) -> (),
268 /// Caches CoerceUnsized kinds for impls on custom types.
269 [] fn coerce_unsized_info: CoerceUnsizedInfo(DefId)
270 -> ty::adjustment::CoerceUnsizedInfo,
274 [] fn typeck_item_bodies:
275 typeck_item_bodies_dep_node(CrateNum) -> (),
277 [] fn typeck_tables_of: TypeckTables(DefId) -> &'tcx ty::TypeckTables<'tcx>,
281 [] fn used_trait_imports: UsedTraitImports(DefId) -> Lrc<DefIdSet>,
285 [] fn has_typeck_tables: HasTypeckTables(DefId) -> bool,
287 [] fn coherent_trait: CoherenceCheckTrait(DefId) -> (),
291 [] fn borrowck: BorrowCheck(DefId) -> Lrc<BorrowCheckResult>,
293 /// Borrow checks the function body. If this is a closure, returns
294 /// additional requirements that the closure's creator must verify.
295 [] fn mir_borrowck: MirBorrowCheck(DefId) -> mir::BorrowCheckResult<'tcx>,
299 /// Gets a complete map from all types to their inherent impls.
300 /// Not meant to be used directly outside of coherence.
301 /// (Defined only for `LOCAL_CRATE`.)
302 [] fn crate_inherent_impls: crate_inherent_impls_dep_node(CrateNum)
303 -> Lrc<CrateInherentImpls>,
305 /// Checks all types in the crate for overlap in their inherent impls. Reports errors.
306 /// Not meant to be used directly outside of coherence.
307 /// (Defined only for `LOCAL_CRATE`.)
308 [] fn crate_inherent_impls_overlap_check: inherent_impls_overlap_check_dep_node(CrateNum)
313 /// Evaluate a constant without running sanity checks
315 /// **Do not use this** outside const eval. Const eval uses this to break query cycles
316 /// during validation. Please add a comment to every use site explaining why using
317 /// `const_eval` isn't sufficient
318 [] fn const_eval_raw: const_eval_raw_dep_node(ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
319 -> ConstEvalRawResult<'tcx>,
321 /// Results of evaluating const items or constants embedded in
322 /// other items (such as enum variant explicit discriminants).
323 [] fn const_eval: const_eval_dep_node(ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
324 -> ConstEvalResult<'tcx>,
328 [] fn check_match: CheckMatch(DefId) -> (),
330 /// Performs part of the privacy check and computes "access levels".
331 [] fn privacy_access_levels: PrivacyAccessLevels(CrateNum) -> Lrc<AccessLevels>,
332 [] fn check_private_in_public: CheckPrivateInPublic(CrateNum) -> (),
336 [] fn reachable_set: reachability_dep_node(CrateNum) -> ReachableSet,
338 /// Per-body `region::ScopeTree`. The `DefId` should be the owner `DefId` for the body;
339 /// in the case of closures, this will be redirected to the enclosing function.
340 [] fn region_scope_tree: RegionScopeTree(DefId) -> Lrc<region::ScopeTree>,
342 [] fn mir_shims: mir_shim_dep_node(ty::InstanceDef<'tcx>) -> &'tcx mir::Mir<'tcx>,
344 [] fn def_symbol_name: SymbolName(DefId) -> ty::SymbolName,
345 [] fn symbol_name: symbol_name_dep_node(ty::Instance<'tcx>) -> ty::SymbolName,
347 [] fn describe_def: DescribeDef(DefId) -> Option<Def>,
348 [] fn def_span: DefSpan(DefId) -> Span,
349 [] fn lookup_stability: LookupStability(DefId) -> Option<&'tcx attr::Stability>,
350 [] fn lookup_deprecation_entry: LookupDeprecationEntry(DefId) -> Option<DeprecationEntry>,
351 [] fn item_attrs: ItemAttrs(DefId) -> Lrc<[ast::Attribute]>,
355 [] fn codegen_fn_attrs: codegen_fn_attrs(DefId) -> CodegenFnAttrs,
359 [] fn fn_arg_names: FnArgNames(DefId) -> Vec<ast::Name>,
360 /// Gets the rendered value of the specified constant or associated constant.
362 [] fn rendered_const: RenderedConst(DefId) -> String,
363 [] fn impl_parent: ImplParent(DefId) -> Option<DefId>,
367 [] fn trait_of_item: TraitOfItem(DefId) -> Option<DefId>,
368 [] fn const_is_rvalue_promotable_to_static: ConstIsRvaluePromotableToStatic(DefId) -> bool,
369 [] fn rvalue_promotable_map: RvaluePromotableMap(DefId) -> Lrc<ItemLocalSet>,
373 [] fn is_mir_available: IsMirAvailable(DefId) -> bool,
377 [] fn vtable_methods: vtable_methods_node(ty::PolyTraitRef<'tcx>)
378 -> Lrc<Vec<Option<(DefId, SubstsRef<'tcx>)>>>,
382 [] fn codegen_fulfill_obligation: fulfill_obligation_dep_node(
383 (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>)) -> Vtable<'tcx, ()>,
387 [] fn trait_impls_of: TraitImpls(DefId) -> Lrc<ty::trait_def::TraitImpls>,
388 [] fn specialization_graph_of: SpecializationGraph(DefId)
389 -> Lrc<specialization_graph::Graph>,
390 [] fn is_object_safe: ObjectSafety(DefId) -> bool,
392 /// Gets the ParameterEnvironment for a given item; this environment
393 /// will be in "user-facing" mode, meaning that it is suitabe for
394 /// type-checking etc, and it does not normalize specializable
395 /// associated types. This is almost always what you want,
396 /// unless you are doing MIR optimizations, in which case you
397 /// might want to use `reveal_all()` method to change modes.
398 [] fn param_env: ParamEnv(DefId) -> ty::ParamEnv<'tcx>,
400 /// Trait selection queries. These are best used by invoking `ty.is_copy_modulo_regions()`,
401 /// `ty.is_copy()`, etc, since that will prune the environment where possible.
402 [] fn is_copy_raw: is_copy_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool,
403 [] fn is_sized_raw: is_sized_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool,
404 [] fn is_freeze_raw: is_freeze_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool,
406 // The cycle error here should be reported as an error by `check_representable`.
407 // We consider the type as not needing drop in the meanwhile to avoid
408 // further errors (done in impl Value for NeedsDrop).
409 // Use `cycle_delay_bug` to delay the cycle error here to be emitted later
410 // in case we accidentally otherwise don't emit an error.
411 [cycle_delay_bug] fn needs_drop_raw: needs_drop_dep_node(
412 ty::ParamEnvAnd<'tcx, Ty<'tcx>>
415 [] fn layout_raw: layout_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>)
416 -> Result<&'tcx ty::layout::LayoutDetails,
417 ty::layout::LayoutError<'tcx>>,
421 [] fn dylib_dependency_formats: DylibDepFormats(CrateNum)
422 -> Lrc<Vec<(CrateNum, LinkagePreference)>>,
426 [fatal_cycle] fn is_compiler_builtins: IsCompilerBuiltins(CrateNum) -> bool,
427 [fatal_cycle] fn has_global_allocator: HasGlobalAllocator(CrateNum) -> bool,
428 [fatal_cycle] fn has_panic_handler: HasPanicHandler(CrateNum) -> bool,
429 [fatal_cycle] fn is_sanitizer_runtime: IsSanitizerRuntime(CrateNum) -> bool,
430 [fatal_cycle] fn is_profiler_runtime: IsProfilerRuntime(CrateNum) -> bool,
431 [fatal_cycle] fn panic_strategy: GetPanicStrategy(CrateNum) -> PanicStrategy,
432 [fatal_cycle] fn is_no_builtins: IsNoBuiltins(CrateNum) -> bool,
434 [] fn extern_crate: ExternCrate(DefId) -> Lrc<Option<ExternCrate>>,
438 [] fn specializes: specializes_node((DefId, DefId)) -> bool,
439 [] fn in_scope_traits_map: InScopeTraits(DefIndex)
440 -> Option<Lrc<FxHashMap<ItemLocalId, Lrc<StableVec<TraitCandidate>>>>>,
444 [] fn module_exports: ModuleExports(DefId) -> Option<Lrc<Vec<Export>>>,
445 [] fn lint_levels: lint_levels_node(CrateNum) -> Lrc<lint::LintLevelMap>,
449 [] fn impl_defaultness: ImplDefaultness(DefId) -> hir::Defaultness,
451 [] fn check_item_well_formed: CheckItemWellFormed(DefId) -> (),
452 [] fn check_trait_item_well_formed: CheckTraitItemWellFormed(DefId) -> (),
453 [] fn check_impl_item_well_formed: CheckImplItemWellFormed(DefId) -> (),
457 // The DefIds of all non-generic functions and statics in the given crate
458 // that can be reached from outside the crate.
460 // We expect this items to be available for being linked to.
462 // This query can also be called for LOCAL_CRATE. In this case it will
463 // compute which items will be reachable to other crates, taking into account
464 // the kind of crate that is currently compiled. Crates with only a
465 // C interface have fewer reachable things.
467 // Does not include external symbols that don't have a corresponding DefId,
468 // like the compiler-generated `main` function and so on.
469 [] fn reachable_non_generics: ReachableNonGenerics(CrateNum)
470 -> Lrc<DefIdMap<SymbolExportLevel>>,
471 [] fn is_reachable_non_generic: IsReachableNonGeneric(DefId) -> bool,
472 [] fn is_unreachable_local_definition: IsUnreachableLocalDefinition(DefId) -> bool,
476 [] fn upstream_monomorphizations: UpstreamMonomorphizations(CrateNum)
477 -> Lrc<DefIdMap<Lrc<FxHashMap<SubstsRef<'tcx>, CrateNum>>>>,
478 [] fn upstream_monomorphizations_for: UpstreamMonomorphizationsFor(DefId)
479 -> Option<Lrc<FxHashMap<SubstsRef<'tcx>, CrateNum>>>,
483 [] fn foreign_modules: ForeignModules(CrateNum) -> Lrc<Vec<ForeignModule>>,
485 /// Identifies the entry-point (e.g., the `main` function) for a given
486 /// crate, returning `None` if there is no entry point (such as for library crates).
487 [] fn entry_fn: EntryFn(CrateNum) -> Option<(DefId, EntryFnType)>,
488 [] fn plugin_registrar_fn: PluginRegistrarFn(CrateNum) -> Option<DefId>,
489 [] fn proc_macro_decls_static: ProcMacroDeclsStatic(CrateNum) -> Option<DefId>,
490 [] fn crate_disambiguator: CrateDisambiguator(CrateNum) -> CrateDisambiguator,
491 [] fn crate_hash: CrateHash(CrateNum) -> Svh,
492 [] fn original_crate_name: OriginalCrateName(CrateNum) -> Symbol,
493 [] fn extra_filename: ExtraFileName(CrateNum) -> String,
497 [] fn implementations_of_trait: implementations_of_trait_node((CrateNum, DefId))
499 [] fn all_trait_implementations: AllTraitImplementations(CrateNum)
504 [] fn dllimport_foreign_items: DllimportForeignItems(CrateNum)
505 -> Lrc<FxHashSet<DefId>>,
506 [] fn is_dllimport_foreign_item: IsDllimportForeignItem(DefId) -> bool,
507 [] fn is_statically_included_foreign_item: IsStaticallyIncludedForeignItem(DefId) -> bool,
508 [] fn native_library_kind: NativeLibraryKind(DefId)
509 -> Option<NativeLibraryKind>,
513 [] fn link_args: link_args_node(CrateNum) -> Lrc<Vec<String>>,
517 // Lifetime resolution. See `middle::resolve_lifetimes`.
518 [] fn resolve_lifetimes: ResolveLifetimes(CrateNum) -> Lrc<ResolveLifetimes>,
519 [] fn named_region_map: NamedRegion(DefIndex) ->
520 Option<Lrc<FxHashMap<ItemLocalId, Region>>>,
521 [] fn is_late_bound_map: IsLateBound(DefIndex) ->
522 Option<Lrc<FxHashSet<ItemLocalId>>>,
523 [] fn object_lifetime_defaults_map: ObjectLifetimeDefaults(DefIndex)
524 -> Option<Lrc<FxHashMap<ItemLocalId, Lrc<Vec<ObjectLifetimeDefault>>>>>,
528 [] fn visibility: Visibility(DefId) -> ty::Visibility,
532 [] fn dep_kind: DepKind(CrateNum) -> DepKind,
533 [] fn crate_name: CrateName(CrateNum) -> Symbol,
534 [] fn item_children: ItemChildren(DefId) -> Lrc<Vec<Export>>,
535 [] fn extern_mod_stmt_cnum: ExternModStmtCnum(DefId) -> Option<CrateNum>,
537 [] fn get_lib_features: get_lib_features_node(CrateNum) -> Lrc<LibFeatures>,
538 [] fn defined_lib_features: DefinedLibFeatures(CrateNum)
539 -> Lrc<Vec<(Symbol, Option<Symbol>)>>,
540 [] fn get_lang_items: get_lang_items_node(CrateNum) -> Lrc<LanguageItems>,
541 [] fn defined_lang_items: DefinedLangItems(CrateNum) -> Lrc<Vec<(DefId, usize)>>,
542 [] fn missing_lang_items: MissingLangItems(CrateNum) -> Lrc<Vec<LangItem>>,
543 [] fn visible_parent_map: visible_parent_map_node(CrateNum)
544 -> Lrc<DefIdMap<DefId>>,
545 [] fn missing_extern_crate_item: MissingExternCrateItem(CrateNum) -> bool,
546 [] fn used_crate_source: UsedCrateSource(CrateNum) -> Lrc<CrateSource>,
547 [] fn postorder_cnums: postorder_cnums_node(CrateNum) -> Lrc<Vec<CrateNum>>,
549 [] fn freevars: Freevars(DefId) -> Option<Lrc<Vec<hir::Freevar>>>,
550 [] fn maybe_unused_trait_import: MaybeUnusedTraitImport(DefId) -> bool,
551 [] fn maybe_unused_extern_crates: maybe_unused_extern_crates_node(CrateNum)
552 -> Lrc<Vec<(DefId, Span)>>,
553 [] fn names_imported_by_glob_use: NamesImportedByGlobUse(DefId)
554 -> Lrc<FxHashSet<ast::Name>>,
556 [] fn stability_index: stability_index_node(CrateNum) -> Lrc<stability::Index<'tcx>>,
557 [] fn all_crate_nums: all_crate_nums_node(CrateNum) -> Lrc<Vec<CrateNum>>,
559 /// A vector of every trait accessible in the whole crate
560 /// (i.e., including those from subcrates). This is used only for
562 [] fn all_traits: all_traits_node(CrateNum) -> Lrc<Vec<DefId>>,
566 [] fn exported_symbols: ExportedSymbols(CrateNum)
567 -> Arc<Vec<(ExportedSymbol<'tcx>, SymbolExportLevel)>>,
571 [] fn collect_and_partition_mono_items:
572 collect_and_partition_mono_items_node(CrateNum)
573 -> (Arc<DefIdSet>, Arc<Vec<Arc<CodegenUnit<'tcx>>>>),
574 [] fn is_codegened_item: IsCodegenedItem(DefId) -> bool,
575 [] fn codegen_unit: CodegenUnit(InternedString) -> Arc<CodegenUnit<'tcx>>,
576 [] fn backend_optimization_level: BackendOptimizationLevel(CrateNum) -> OptLevel,
580 [] fn output_filenames: output_filenames_node(CrateNum)
581 -> Arc<OutputFilenames>,
585 // Erases regions from `ty` to yield a new type.
586 // Normally you would just use `tcx.erase_regions(&value)`,
587 // however, which uses this query as a kind of cache.
588 [] fn erase_regions_ty: erase_regions_ty(Ty<'tcx>) -> Ty<'tcx>,
590 /// Do not call this query directly: invoke `normalize` instead.
591 [] fn normalize_projection_ty: NormalizeProjectionTy(
592 CanonicalProjectionGoal<'tcx>
594 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, NormalizationResult<'tcx>>>>,
598 /// Do not call this query directly: invoke `normalize_erasing_regions` instead.
599 [] fn normalize_ty_after_erasing_regions: NormalizeTyAfterErasingRegions(
600 ParamEnvAnd<'tcx, Ty<'tcx>>
603 [] fn implied_outlives_bounds: ImpliedOutlivesBounds(
604 CanonicalTyGoal<'tcx>
606 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, Vec<OutlivesBound<'tcx>>>>>,
610 /// Do not call this query directly: invoke `infcx.at().dropck_outlives()` instead.
611 [] fn dropck_outlives: DropckOutlives(
612 CanonicalTyGoal<'tcx>
614 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, DropckOutlivesResult<'tcx>>>>,
618 /// Do not call this query directly: invoke `infcx.predicate_may_hold()` or
619 /// `infcx.predicate_must_hold()` instead.
620 [] fn evaluate_obligation: EvaluateObligation(
621 CanonicalPredicateGoal<'tcx>
622 ) -> Result<traits::EvaluationResult, traits::OverflowError>,
624 [] fn evaluate_goal: EvaluateGoal(
625 traits::ChalkCanonicalGoal<'tcx>
627 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
631 /// Do not call this query directly: part of the `Eq` type-op
632 [] fn type_op_ascribe_user_type: TypeOpAscribeUserType(
633 CanonicalTypeOpAscribeUserTypeGoal<'tcx>
635 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
639 /// Do not call this query directly: part of the `Eq` type-op
640 [] fn type_op_eq: TypeOpEq(
641 CanonicalTypeOpEqGoal<'tcx>
643 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
647 /// Do not call this query directly: part of the `Subtype` type-op
648 [] fn type_op_subtype: TypeOpSubtype(
649 CanonicalTypeOpSubtypeGoal<'tcx>
651 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
655 /// Do not call this query directly: part of the `ProvePredicate` type-op
656 [] fn type_op_prove_predicate: TypeOpProvePredicate(
657 CanonicalTypeOpProvePredicateGoal<'tcx>
659 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
663 /// Do not call this query directly: part of the `Normalize` type-op
664 [] fn type_op_normalize_ty: TypeOpNormalizeTy(
665 CanonicalTypeOpNormalizeGoal<'tcx, Ty<'tcx>>
667 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, Ty<'tcx>>>>,
671 /// Do not call this query directly: part of the `Normalize` type-op
672 [] fn type_op_normalize_predicate: TypeOpNormalizePredicate(
673 CanonicalTypeOpNormalizeGoal<'tcx, ty::Predicate<'tcx>>
675 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ty::Predicate<'tcx>>>>,
679 /// Do not call this query directly: part of the `Normalize` type-op
680 [] fn type_op_normalize_poly_fn_sig: TypeOpNormalizePolyFnSig(
681 CanonicalTypeOpNormalizeGoal<'tcx, ty::PolyFnSig<'tcx>>
683 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ty::PolyFnSig<'tcx>>>>,
687 /// Do not call this query directly: part of the `Normalize` type-op
688 [] fn type_op_normalize_fn_sig: TypeOpNormalizeFnSig(
689 CanonicalTypeOpNormalizeGoal<'tcx, ty::FnSig<'tcx>>
691 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ty::FnSig<'tcx>>>>,
695 [] fn substitute_normalize_and_test_predicates:
696 substitute_normalize_and_test_predicates_node((DefId, SubstsRef<'tcx>)) -> bool,
698 [] fn method_autoderef_steps: MethodAutoderefSteps(
699 CanonicalTyGoal<'tcx>
700 ) -> MethodAutoderefStepsResult<'tcx>,
704 [] fn target_features_whitelist:
705 target_features_whitelist_node(CrateNum) -> Lrc<FxHashMap<String, Option<String>>>,
707 // Get an estimate of the size of an InstanceDef based on its MIR for CGU partitioning.
708 [] fn instance_def_size_estimate: instance_def_size_estimate_dep_node(ty::InstanceDef<'tcx>)
711 [] fn features_query: features_node(CrateNum) -> Lrc<feature_gate::Features>,
715 [] fn program_clauses_for: ProgramClausesFor(DefId) -> Clauses<'tcx>,
717 [] fn program_clauses_for_env: ProgramClausesForEnv(
718 traits::Environment<'tcx>
721 // Get the chalk-style environment of the given item.
722 [] fn environment: Environment(DefId) -> traits::Environment<'tcx>,
726 [] fn wasm_import_module_map: WasmImportModuleMap(CrateNum)
727 -> Lrc<FxHashMap<DefId, String>>,
731 //////////////////////////////////////////////////////////////////////
732 // These functions are little shims used to find the dep-node for a
733 // given query when there is not a *direct* mapping:
736 fn features_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
737 DepConstructor::Features
740 fn codegen_fn_attrs<'tcx>(id: DefId) -> DepConstructor<'tcx> {
741 DepConstructor::CodegenFnAttrs { 0: id }
744 fn erase_regions_ty<'tcx>(ty: Ty<'tcx>) -> DepConstructor<'tcx> {
745 DepConstructor::EraseRegionsTy { ty }
748 fn type_param_predicates<'tcx>((item_id, param_id): (DefId, DefId)) -> DepConstructor<'tcx> {
749 DepConstructor::TypeParamPredicates {
755 fn fulfill_obligation_dep_node<'tcx>((param_env, trait_ref):
756 (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>)) -> DepConstructor<'tcx> {
757 DepConstructor::FulfillObligation {
763 fn crate_inherent_impls_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
764 DepConstructor::Coherence
767 fn inherent_impls_overlap_check_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
768 DepConstructor::CoherenceInherentImplOverlapCheck
771 fn reachability_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
772 DepConstructor::Reachability
775 fn mir_shim_dep_node<'tcx>(instance_def: ty::InstanceDef<'tcx>) -> DepConstructor<'tcx> {
776 DepConstructor::MirShim {
781 fn symbol_name_dep_node<'tcx>(instance: ty::Instance<'tcx>) -> DepConstructor<'tcx> {
782 DepConstructor::InstanceSymbolName { instance }
785 fn typeck_item_bodies_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
786 DepConstructor::TypeckBodiesKrate
789 fn const_eval_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
790 -> DepConstructor<'tcx> {
791 DepConstructor::ConstEval { param_env }
793 fn const_eval_raw_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
794 -> DepConstructor<'tcx> {
795 DepConstructor::ConstEvalRaw { param_env }
798 fn mir_keys<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
799 DepConstructor::MirKeys
802 fn crate_variances<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
803 DepConstructor::CrateVariances
806 fn is_copy_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
807 DepConstructor::IsCopy { param_env }
810 fn is_sized_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
811 DepConstructor::IsSized { param_env }
814 fn is_freeze_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
815 DepConstructor::IsFreeze { param_env }
818 fn needs_drop_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
819 DepConstructor::NeedsDrop { param_env }
822 fn layout_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
823 DepConstructor::Layout { param_env }
826 fn lint_levels_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
827 DepConstructor::LintLevels
830 fn specializes_node<'tcx>((a, b): (DefId, DefId)) -> DepConstructor<'tcx> {
831 DepConstructor::Specializes { impl1: a, impl2: b }
834 fn implementations_of_trait_node<'tcx>((krate, trait_id): (CrateNum, DefId))
835 -> DepConstructor<'tcx>
837 DepConstructor::ImplementationsOfTrait { krate, trait_id }
840 fn link_args_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
841 DepConstructor::LinkArgs
844 fn get_lib_features_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
845 DepConstructor::GetLibFeatures
848 fn get_lang_items_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
849 DepConstructor::GetLangItems
852 fn visible_parent_map_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
853 DepConstructor::VisibleParentMap
856 fn postorder_cnums_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
857 DepConstructor::PostorderCnums
860 fn maybe_unused_extern_crates_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
861 DepConstructor::MaybeUnusedExternCrates
864 fn stability_index_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
865 DepConstructor::StabilityIndex
868 fn all_crate_nums_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
869 DepConstructor::AllCrateNums
872 fn all_traits_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
873 DepConstructor::AllTraits
876 fn collect_and_partition_mono_items_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
877 DepConstructor::CollectAndPartitionMonoItems
880 fn output_filenames_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
881 DepConstructor::OutputFilenames
884 fn vtable_methods_node<'tcx>(trait_ref: ty::PolyTraitRef<'tcx>) -> DepConstructor<'tcx> {
885 DepConstructor::VtableMethods{ trait_ref }
888 fn substitute_normalize_and_test_predicates_node<'tcx>(key: (DefId, SubstsRef<'tcx>))
889 -> DepConstructor<'tcx> {
890 DepConstructor::SubstituteNormalizeAndTestPredicates { key }
893 fn target_features_whitelist_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
894 DepConstructor::TargetFeaturesWhitelist
897 fn instance_def_size_estimate_dep_node<'tcx>(instance_def: ty::InstanceDef<'tcx>)
898 -> DepConstructor<'tcx> {
899 DepConstructor::InstanceDefSizeEstimate {