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 /// The result of unsafety-checking this `DefId`.
210 [] fn unsafety_check_result: UnsafetyCheckResult(DefId) -> mir::UnsafetyCheckResult,
212 /// HACK: when evaluated, this reports a "unsafe derive on repr(packed)" error
213 [] fn unsafe_derive_on_repr_packed: UnsafeDeriveOnReprPacked(DefId) -> (),
215 /// The signature of functions and closures.
216 [] fn fn_sig: FnSignature(DefId) -> ty::PolyFnSig<'tcx>,
220 [] fn lint_mod: LintMod(DefId) -> (),
222 /// Checks the attributes in the module
223 [] fn check_mod_attrs: CheckModAttrs(DefId) -> (),
225 [] fn check_mod_unstable_api_usage: CheckModUnstableApiUsage(DefId) -> (),
227 /// Checks the loops in the module
228 [] fn check_mod_loops: CheckModLoops(DefId) -> (),
230 [] fn check_mod_item_types: CheckModItemTypes(DefId) -> (),
232 [] fn check_mod_privacy: CheckModPrivacy(DefId) -> (),
234 [] fn check_mod_intrinsics: CheckModIntrinsics(DefId) -> (),
236 [] fn check_mod_liveness: CheckModLiveness(DefId) -> (),
238 [] fn check_mod_impl_wf: CheckModImplWf(DefId) -> (),
240 [] fn collect_mod_item_types: CollectModItemTypes(DefId) -> (),
242 /// Caches CoerceUnsized kinds for impls on custom types.
243 [] fn coerce_unsized_info: CoerceUnsizedInfo(DefId)
244 -> ty::adjustment::CoerceUnsizedInfo,
248 [] fn typeck_item_bodies:
249 typeck_item_bodies_dep_node(CrateNum) -> (),
251 [] fn typeck_tables_of: TypeckTables(DefId) -> &'tcx ty::TypeckTables<'tcx>,
255 [] fn used_trait_imports: UsedTraitImports(DefId) -> Lrc<DefIdSet>,
259 [] fn has_typeck_tables: HasTypeckTables(DefId) -> bool,
261 [] fn coherent_trait: CoherenceCheckTrait(DefId) -> (),
265 [] fn borrowck: BorrowCheck(DefId) -> Lrc<BorrowCheckResult>,
267 /// Borrow checks the function body. If this is a closure, returns
268 /// additional requirements that the closure's creator must verify.
269 [] fn mir_borrowck: MirBorrowCheck(DefId) -> mir::BorrowCheckResult<'tcx>,
273 /// Gets a complete map from all types to their inherent impls.
274 /// Not meant to be used directly outside of coherence.
275 /// (Defined only for `LOCAL_CRATE`.)
276 [] fn crate_inherent_impls: crate_inherent_impls_dep_node(CrateNum)
277 -> Lrc<CrateInherentImpls>,
279 /// Checks all types in the crate for overlap in their inherent impls. Reports errors.
280 /// Not meant to be used directly outside of coherence.
281 /// (Defined only for `LOCAL_CRATE`.)
282 [] fn crate_inherent_impls_overlap_check: inherent_impls_overlap_check_dep_node(CrateNum)
287 /// Evaluate a constant without running sanity checks
289 /// **Do not use this** outside const eval. Const eval uses this to break query cycles
290 /// during validation. Please add a comment to every use site explaining why using
291 /// `const_eval` isn't sufficient
292 [] fn const_eval_raw: const_eval_raw_dep_node(ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
293 -> ConstEvalRawResult<'tcx>,
295 /// Results of evaluating const items or constants embedded in
296 /// other items (such as enum variant explicit discriminants).
297 [] fn const_eval: const_eval_dep_node(ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
298 -> ConstEvalResult<'tcx>,
302 [] fn check_match: CheckMatch(DefId) -> (),
304 /// Performs part of the privacy check and computes "access levels".
305 [] fn privacy_access_levels: PrivacyAccessLevels(CrateNum) -> Lrc<AccessLevels>,
306 [] fn check_private_in_public: CheckPrivateInPublic(CrateNum) -> (),
310 [] fn reachable_set: reachability_dep_node(CrateNum) -> ReachableSet,
312 /// Per-body `region::ScopeTree`. The `DefId` should be the owner `DefId` for the body;
313 /// in the case of closures, this will be redirected to the enclosing function.
314 [] fn region_scope_tree: RegionScopeTree(DefId) -> Lrc<region::ScopeTree>,
316 [] fn mir_shims: mir_shim_dep_node(ty::InstanceDef<'tcx>) -> &'tcx mir::Mir<'tcx>,
318 [] fn def_symbol_name: SymbolName(DefId) -> ty::SymbolName,
319 [] fn symbol_name: symbol_name_dep_node(ty::Instance<'tcx>) -> ty::SymbolName,
321 [] fn describe_def: DescribeDef(DefId) -> Option<Def>,
322 [] fn def_span: DefSpan(DefId) -> Span,
323 [] fn lookup_stability: LookupStability(DefId) -> Option<&'tcx attr::Stability>,
324 [] fn lookup_deprecation_entry: LookupDeprecationEntry(DefId) -> Option<DeprecationEntry>,
325 [] fn item_attrs: ItemAttrs(DefId) -> Lrc<[ast::Attribute]>,
329 [] fn codegen_fn_attrs: codegen_fn_attrs(DefId) -> CodegenFnAttrs,
333 [] fn fn_arg_names: FnArgNames(DefId) -> Vec<ast::Name>,
334 /// Gets the rendered value of the specified constant or associated constant.
336 [] fn rendered_const: RenderedConst(DefId) -> String,
337 [] fn impl_parent: ImplParent(DefId) -> Option<DefId>,
341 [] fn trait_of_item: TraitOfItem(DefId) -> Option<DefId>,
342 [] fn const_is_rvalue_promotable_to_static: ConstIsRvaluePromotableToStatic(DefId) -> bool,
343 [] fn rvalue_promotable_map: RvaluePromotableMap(DefId) -> Lrc<ItemLocalSet>,
347 [] fn is_mir_available: IsMirAvailable(DefId) -> bool,
351 [] fn vtable_methods: vtable_methods_node(ty::PolyTraitRef<'tcx>)
352 -> Lrc<Vec<Option<(DefId, SubstsRef<'tcx>)>>>,
356 [] fn codegen_fulfill_obligation: fulfill_obligation_dep_node(
357 (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>)) -> Vtable<'tcx, ()>,
361 [] fn trait_impls_of: TraitImpls(DefId) -> Lrc<ty::trait_def::TraitImpls>,
362 [] fn specialization_graph_of: SpecializationGraph(DefId)
363 -> Lrc<specialization_graph::Graph>,
364 [] fn is_object_safe: ObjectSafety(DefId) -> bool,
366 /// Gets the ParameterEnvironment for a given item; this environment
367 /// will be in "user-facing" mode, meaning that it is suitabe for
368 /// type-checking etc, and it does not normalize specializable
369 /// associated types. This is almost always what you want,
370 /// unless you are doing MIR optimizations, in which case you
371 /// might want to use `reveal_all()` method to change modes.
372 [] fn param_env: ParamEnv(DefId) -> ty::ParamEnv<'tcx>,
374 /// Trait selection queries. These are best used by invoking `ty.is_copy_modulo_regions()`,
375 /// `ty.is_copy()`, etc, since that will prune the environment where possible.
376 [] fn is_copy_raw: is_copy_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool,
377 [] fn is_sized_raw: is_sized_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool,
378 [] fn is_freeze_raw: is_freeze_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool,
380 // The cycle error here should be reported as an error by `check_representable`.
381 // We consider the type as not needing drop in the meanwhile to avoid
382 // further errors (done in impl Value for NeedsDrop).
383 // Use `cycle_delay_bug` to delay the cycle error here to be emitted later
384 // in case we accidentally otherwise don't emit an error.
385 [cycle_delay_bug] fn needs_drop_raw: needs_drop_dep_node(
386 ty::ParamEnvAnd<'tcx, Ty<'tcx>>
389 [] fn layout_raw: layout_dep_node(ty::ParamEnvAnd<'tcx, Ty<'tcx>>)
390 -> Result<&'tcx ty::layout::LayoutDetails,
391 ty::layout::LayoutError<'tcx>>,
395 [] fn dylib_dependency_formats: DylibDepFormats(CrateNum)
396 -> Lrc<Vec<(CrateNum, LinkagePreference)>>,
400 [fatal_cycle] fn is_compiler_builtins: IsCompilerBuiltins(CrateNum) -> bool,
401 [fatal_cycle] fn has_global_allocator: HasGlobalAllocator(CrateNum) -> bool,
402 [fatal_cycle] fn has_panic_handler: HasPanicHandler(CrateNum) -> bool,
403 [fatal_cycle] fn is_sanitizer_runtime: IsSanitizerRuntime(CrateNum) -> bool,
404 [fatal_cycle] fn is_profiler_runtime: IsProfilerRuntime(CrateNum) -> bool,
405 [fatal_cycle] fn panic_strategy: GetPanicStrategy(CrateNum) -> PanicStrategy,
406 [fatal_cycle] fn is_no_builtins: IsNoBuiltins(CrateNum) -> bool,
408 [] fn extern_crate: ExternCrate(DefId) -> Lrc<Option<ExternCrate>>,
412 [] fn specializes: specializes_node((DefId, DefId)) -> bool,
413 [] fn in_scope_traits_map: InScopeTraits(DefIndex)
414 -> Option<Lrc<FxHashMap<ItemLocalId, Lrc<StableVec<TraitCandidate>>>>>,
418 [] fn module_exports: ModuleExports(DefId) -> Option<Lrc<Vec<Export>>>,
422 [] fn impl_defaultness: ImplDefaultness(DefId) -> hir::Defaultness,
424 [] fn check_item_well_formed: CheckItemWellFormed(DefId) -> (),
425 [] fn check_trait_item_well_formed: CheckTraitItemWellFormed(DefId) -> (),
426 [] fn check_impl_item_well_formed: CheckImplItemWellFormed(DefId) -> (),
430 // The DefIds of all non-generic functions and statics in the given crate
431 // that can be reached from outside the crate.
433 // We expect this items to be available for being linked to.
435 // This query can also be called for LOCAL_CRATE. In this case it will
436 // compute which items will be reachable to other crates, taking into account
437 // the kind of crate that is currently compiled. Crates with only a
438 // C interface have fewer reachable things.
440 // Does not include external symbols that don't have a corresponding DefId,
441 // like the compiler-generated `main` function and so on.
442 [] fn reachable_non_generics: ReachableNonGenerics(CrateNum)
443 -> Lrc<DefIdMap<SymbolExportLevel>>,
444 [] fn is_reachable_non_generic: IsReachableNonGeneric(DefId) -> bool,
445 [] fn is_unreachable_local_definition: IsUnreachableLocalDefinition(DefId) -> bool,
449 [] fn upstream_monomorphizations: UpstreamMonomorphizations(CrateNum)
450 -> Lrc<DefIdMap<Lrc<FxHashMap<SubstsRef<'tcx>, CrateNum>>>>,
451 [] fn upstream_monomorphizations_for: UpstreamMonomorphizationsFor(DefId)
452 -> Option<Lrc<FxHashMap<SubstsRef<'tcx>, CrateNum>>>,
456 [] fn foreign_modules: ForeignModules(CrateNum) -> Lrc<Vec<ForeignModule>>,
458 /// Identifies the entry-point (e.g., the `main` function) for a given
459 /// crate, returning `None` if there is no entry point (such as for library crates).
460 [] fn entry_fn: EntryFn(CrateNum) -> Option<(DefId, EntryFnType)>,
461 [] fn plugin_registrar_fn: PluginRegistrarFn(CrateNum) -> Option<DefId>,
462 [] fn proc_macro_decls_static: ProcMacroDeclsStatic(CrateNum) -> Option<DefId>,
463 [] fn crate_disambiguator: CrateDisambiguator(CrateNum) -> CrateDisambiguator,
464 [] fn crate_hash: CrateHash(CrateNum) -> Svh,
465 [] fn original_crate_name: OriginalCrateName(CrateNum) -> Symbol,
466 [] fn extra_filename: ExtraFileName(CrateNum) -> String,
470 [] fn implementations_of_trait: implementations_of_trait_node((CrateNum, DefId))
472 [] fn all_trait_implementations: AllTraitImplementations(CrateNum)
477 [] fn dllimport_foreign_items: DllimportForeignItems(CrateNum)
478 -> Lrc<FxHashSet<DefId>>,
479 [] fn is_dllimport_foreign_item: IsDllimportForeignItem(DefId) -> bool,
480 [] fn is_statically_included_foreign_item: IsStaticallyIncludedForeignItem(DefId) -> bool,
481 [] fn native_library_kind: NativeLibraryKind(DefId)
482 -> Option<NativeLibraryKind>,
486 [] fn link_args: link_args_node(CrateNum) -> Lrc<Vec<String>>,
490 // Lifetime resolution. See `middle::resolve_lifetimes`.
491 [] fn resolve_lifetimes: ResolveLifetimes(CrateNum) -> Lrc<ResolveLifetimes>,
492 [] fn named_region_map: NamedRegion(DefIndex) ->
493 Option<Lrc<FxHashMap<ItemLocalId, Region>>>,
494 [] fn is_late_bound_map: IsLateBound(DefIndex) ->
495 Option<Lrc<FxHashSet<ItemLocalId>>>,
496 [] fn object_lifetime_defaults_map: ObjectLifetimeDefaults(DefIndex)
497 -> Option<Lrc<FxHashMap<ItemLocalId, Lrc<Vec<ObjectLifetimeDefault>>>>>,
501 [] fn visibility: Visibility(DefId) -> ty::Visibility,
505 [] fn dep_kind: DepKind(CrateNum) -> DepKind,
506 [] fn crate_name: CrateName(CrateNum) -> Symbol,
507 [] fn item_children: ItemChildren(DefId) -> Lrc<Vec<Export>>,
508 [] fn extern_mod_stmt_cnum: ExternModStmtCnum(DefId) -> Option<CrateNum>,
510 [] fn get_lib_features: get_lib_features_node(CrateNum) -> Lrc<LibFeatures>,
511 [] fn defined_lib_features: DefinedLibFeatures(CrateNum)
512 -> Lrc<Vec<(Symbol, Option<Symbol>)>>,
513 [] fn get_lang_items: get_lang_items_node(CrateNum) -> Lrc<LanguageItems>,
514 [] fn defined_lang_items: DefinedLangItems(CrateNum) -> Lrc<Vec<(DefId, usize)>>,
515 [] fn missing_lang_items: MissingLangItems(CrateNum) -> Lrc<Vec<LangItem>>,
516 [] fn visible_parent_map: visible_parent_map_node(CrateNum)
517 -> Lrc<DefIdMap<DefId>>,
518 [] fn missing_extern_crate_item: MissingExternCrateItem(CrateNum) -> bool,
519 [] fn used_crate_source: UsedCrateSource(CrateNum) -> Lrc<CrateSource>,
520 [] fn postorder_cnums: postorder_cnums_node(CrateNum) -> Lrc<Vec<CrateNum>>,
522 [] fn freevars: Freevars(DefId) -> Option<Lrc<Vec<hir::Freevar>>>,
523 [] fn maybe_unused_trait_import: MaybeUnusedTraitImport(DefId) -> bool,
524 [] fn maybe_unused_extern_crates: maybe_unused_extern_crates_node(CrateNum)
525 -> Lrc<Vec<(DefId, Span)>>,
526 [] fn names_imported_by_glob_use: NamesImportedByGlobUse(DefId)
527 -> Lrc<FxHashSet<ast::Name>>,
529 [] fn stability_index: stability_index_node(CrateNum) -> Lrc<stability::Index<'tcx>>,
530 [] fn all_crate_nums: all_crate_nums_node(CrateNum) -> Lrc<Vec<CrateNum>>,
532 /// A vector of every trait accessible in the whole crate
533 /// (i.e., including those from subcrates). This is used only for
535 [] fn all_traits: all_traits_node(CrateNum) -> Lrc<Vec<DefId>>,
539 [] fn exported_symbols: ExportedSymbols(CrateNum)
540 -> Arc<Vec<(ExportedSymbol<'tcx>, SymbolExportLevel)>>,
544 [] fn collect_and_partition_mono_items:
545 collect_and_partition_mono_items_node(CrateNum)
546 -> (Arc<DefIdSet>, Arc<Vec<Arc<CodegenUnit<'tcx>>>>),
547 [] fn is_codegened_item: IsCodegenedItem(DefId) -> bool,
548 [] fn codegen_unit: CodegenUnit(InternedString) -> Arc<CodegenUnit<'tcx>>,
549 [] fn backend_optimization_level: BackendOptimizationLevel(CrateNum) -> OptLevel,
553 [] fn output_filenames: output_filenames_node(CrateNum)
554 -> Arc<OutputFilenames>,
558 /// Do not call this query directly: invoke `normalize` instead.
559 [] fn normalize_projection_ty: NormalizeProjectionTy(
560 CanonicalProjectionGoal<'tcx>
562 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, NormalizationResult<'tcx>>>>,
566 /// Do not call this query directly: invoke `normalize_erasing_regions` instead.
567 [] fn normalize_ty_after_erasing_regions: NormalizeTyAfterErasingRegions(
568 ParamEnvAnd<'tcx, Ty<'tcx>>
571 [] fn implied_outlives_bounds: ImpliedOutlivesBounds(
572 CanonicalTyGoal<'tcx>
574 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, Vec<OutlivesBound<'tcx>>>>>,
578 /// Do not call this query directly: invoke `infcx.at().dropck_outlives()` instead.
579 [] fn dropck_outlives: DropckOutlives(
580 CanonicalTyGoal<'tcx>
582 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, DropckOutlivesResult<'tcx>>>>,
586 /// Do not call this query directly: invoke `infcx.predicate_may_hold()` or
587 /// `infcx.predicate_must_hold()` instead.
588 [] fn evaluate_obligation: EvaluateObligation(
589 CanonicalPredicateGoal<'tcx>
590 ) -> Result<traits::EvaluationResult, traits::OverflowError>,
592 [] fn evaluate_goal: EvaluateGoal(
593 traits::ChalkCanonicalGoal<'tcx>
595 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
599 /// Do not call this query directly: part of the `Eq` type-op
600 [] fn type_op_ascribe_user_type: TypeOpAscribeUserType(
601 CanonicalTypeOpAscribeUserTypeGoal<'tcx>
603 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
607 /// Do not call this query directly: part of the `Eq` type-op
608 [] fn type_op_eq: TypeOpEq(
609 CanonicalTypeOpEqGoal<'tcx>
611 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
615 /// Do not call this query directly: part of the `Subtype` type-op
616 [] fn type_op_subtype: TypeOpSubtype(
617 CanonicalTypeOpSubtypeGoal<'tcx>
619 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
623 /// Do not call this query directly: part of the `ProvePredicate` type-op
624 [] fn type_op_prove_predicate: TypeOpProvePredicate(
625 CanonicalTypeOpProvePredicateGoal<'tcx>
627 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>>,
631 /// Do not call this query directly: part of the `Normalize` type-op
632 [] fn type_op_normalize_ty: TypeOpNormalizeTy(
633 CanonicalTypeOpNormalizeGoal<'tcx, Ty<'tcx>>
635 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, Ty<'tcx>>>>,
639 /// Do not call this query directly: part of the `Normalize` type-op
640 [] fn type_op_normalize_predicate: TypeOpNormalizePredicate(
641 CanonicalTypeOpNormalizeGoal<'tcx, ty::Predicate<'tcx>>
643 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ty::Predicate<'tcx>>>>,
647 /// Do not call this query directly: part of the `Normalize` type-op
648 [] fn type_op_normalize_poly_fn_sig: TypeOpNormalizePolyFnSig(
649 CanonicalTypeOpNormalizeGoal<'tcx, ty::PolyFnSig<'tcx>>
651 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ty::PolyFnSig<'tcx>>>>,
655 /// Do not call this query directly: part of the `Normalize` type-op
656 [] fn type_op_normalize_fn_sig: TypeOpNormalizeFnSig(
657 CanonicalTypeOpNormalizeGoal<'tcx, ty::FnSig<'tcx>>
659 Lrc<Canonical<'tcx, canonical::QueryResponse<'tcx, ty::FnSig<'tcx>>>>,
663 [] fn substitute_normalize_and_test_predicates:
664 substitute_normalize_and_test_predicates_node((DefId, SubstsRef<'tcx>)) -> bool,
666 [] fn method_autoderef_steps: MethodAutoderefSteps(
667 CanonicalTyGoal<'tcx>
668 ) -> MethodAutoderefStepsResult<'tcx>,
672 [] fn target_features_whitelist:
673 target_features_whitelist_node(CrateNum) -> Lrc<FxHashMap<String, Option<String>>>,
675 // Get an estimate of the size of an InstanceDef based on its MIR for CGU partitioning.
676 [] fn instance_def_size_estimate: instance_def_size_estimate_dep_node(ty::InstanceDef<'tcx>)
679 [] fn features_query: features_node(CrateNum) -> Lrc<feature_gate::Features>,
683 //////////////////////////////////////////////////////////////////////
684 // These functions are little shims used to find the dep-node for a
685 // given query when there is not a *direct* mapping:
688 fn features_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
689 DepConstructor::Features
692 fn codegen_fn_attrs<'tcx>(id: DefId) -> DepConstructor<'tcx> {
693 DepConstructor::CodegenFnAttrs { 0: id }
696 fn type_param_predicates<'tcx>((item_id, param_id): (DefId, DefId)) -> DepConstructor<'tcx> {
697 DepConstructor::TypeParamPredicates {
703 fn fulfill_obligation_dep_node<'tcx>((param_env, trait_ref):
704 (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>)) -> DepConstructor<'tcx> {
705 DepConstructor::FulfillObligation {
711 fn crate_inherent_impls_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
712 DepConstructor::Coherence
715 fn inherent_impls_overlap_check_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
716 DepConstructor::CoherenceInherentImplOverlapCheck
719 fn reachability_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
720 DepConstructor::Reachability
723 fn mir_shim_dep_node<'tcx>(instance_def: ty::InstanceDef<'tcx>) -> DepConstructor<'tcx> {
724 DepConstructor::MirShim {
729 fn symbol_name_dep_node<'tcx>(instance: ty::Instance<'tcx>) -> DepConstructor<'tcx> {
730 DepConstructor::InstanceSymbolName { instance }
733 fn typeck_item_bodies_dep_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
734 DepConstructor::TypeckBodiesKrate
737 fn const_eval_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
738 -> DepConstructor<'tcx> {
739 DepConstructor::ConstEval { param_env }
741 fn const_eval_raw_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
742 -> DepConstructor<'tcx> {
743 DepConstructor::ConstEvalRaw { param_env }
746 fn crate_variances<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
747 DepConstructor::CrateVariances
750 fn is_copy_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
751 DepConstructor::IsCopy { param_env }
754 fn is_sized_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
755 DepConstructor::IsSized { param_env }
758 fn is_freeze_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
759 DepConstructor::IsFreeze { param_env }
762 fn needs_drop_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
763 DepConstructor::NeedsDrop { param_env }
766 fn layout_dep_node<'tcx>(param_env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> DepConstructor<'tcx> {
767 DepConstructor::Layout { param_env }
770 fn specializes_node<'tcx>((a, b): (DefId, DefId)) -> DepConstructor<'tcx> {
771 DepConstructor::Specializes { impl1: a, impl2: b }
774 fn implementations_of_trait_node<'tcx>((krate, trait_id): (CrateNum, DefId))
775 -> DepConstructor<'tcx>
777 DepConstructor::ImplementationsOfTrait { krate, trait_id }
780 fn link_args_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
781 DepConstructor::LinkArgs
784 fn get_lib_features_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
785 DepConstructor::GetLibFeatures
788 fn get_lang_items_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
789 DepConstructor::GetLangItems
792 fn visible_parent_map_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
793 DepConstructor::VisibleParentMap
796 fn postorder_cnums_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
797 DepConstructor::PostorderCnums
800 fn maybe_unused_extern_crates_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
801 DepConstructor::MaybeUnusedExternCrates
804 fn stability_index_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
805 DepConstructor::StabilityIndex
808 fn all_crate_nums_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
809 DepConstructor::AllCrateNums
812 fn all_traits_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
813 DepConstructor::AllTraits
816 fn collect_and_partition_mono_items_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
817 DepConstructor::CollectAndPartitionMonoItems
820 fn output_filenames_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
821 DepConstructor::OutputFilenames
824 fn vtable_methods_node<'tcx>(trait_ref: ty::PolyTraitRef<'tcx>) -> DepConstructor<'tcx> {
825 DepConstructor::VtableMethods{ trait_ref }
828 fn substitute_normalize_and_test_predicates_node<'tcx>(key: (DefId, SubstsRef<'tcx>))
829 -> DepConstructor<'tcx> {
830 DepConstructor::SubstituteNormalizeAndTestPredicates { key }
833 fn target_features_whitelist_node<'tcx>(_: CrateNum) -> DepConstructor<'tcx> {
834 DepConstructor::TargetFeaturesWhitelist
837 fn instance_def_size_estimate_dep_node<'tcx>(instance_def: ty::InstanceDef<'tcx>)
838 -> DepConstructor<'tcx> {
839 DepConstructor::InstanceDefSizeEstimate {