// Queries marked with `fatal_cycle` do not need the latter implementation,
// as they will raise an fatal error on query cycles instead.
rustc_queries! {
- query trigger_delay_span_bug(key: DefId) -> () {
- desc { "trigger a delay span bug" }
- }
+ query trigger_delay_span_bug(key: DefId) -> () {
+ desc { "trigger a delay span bug" }
+ }
- /// Represents crate as a whole (as distinct from the top-level crate module).
- /// If you call `hir_crate` (e.g., indirectly by calling `tcx.hir().krate()`),
- /// we will have to assume that any change means that you need to be recompiled.
- /// This is because the `hir_crate` query gives you access to all other items.
- /// To avoid this fate, do not call `tcx.hir().krate()`; instead,
- /// prefer wrappers like `tcx.visit_all_items_in_krate()`.
- query hir_crate(key: CrateNum) -> &'tcx Crate<'tcx> {
- eval_always
- no_hash
- desc { "get the crate HIR" }
- }
+ /// Represents crate as a whole (as distinct from the top-level crate module).
+ /// If you call `hir_crate` (e.g., indirectly by calling `tcx.hir().krate()`),
+ /// we will have to assume that any change means that you need to be recompiled.
+ /// This is because the `hir_crate` query gives you access to all other items.
+ /// To avoid this fate, do not call `tcx.hir().krate()`; instead,
+ /// prefer wrappers like `tcx.visit_all_items_in_krate()`.
+ query hir_crate(key: CrateNum) -> &'tcx Crate<'tcx> {
+ eval_always
+ no_hash
+ desc { "get the crate HIR" }
+ }
- /// The indexed HIR. This can be conveniently accessed by `tcx.hir()`.
- /// Avoid calling this query directly.
- query index_hir(_: CrateNum) -> &'tcx map::IndexedHir<'tcx> {
- eval_always
- no_hash
- desc { "index HIR" }
- }
+ /// The indexed HIR. This can be conveniently accessed by `tcx.hir()`.
+ /// Avoid calling this query directly.
+ query index_hir(_: CrateNum) -> &'tcx map::IndexedHir<'tcx> {
+ eval_always
+ no_hash
+ desc { "index HIR" }
+ }
- /// The items in a module.
- ///
- /// This can be conveniently accessed by `tcx.hir().visit_item_likes_in_module`.
- /// Avoid calling this query directly.
- query hir_module_items(key: LocalDefId) -> &'tcx hir::ModuleItems {
- eval_always
- desc { |tcx| "HIR module items in `{}`", tcx.def_path_str(key.to_def_id()) }
- }
+ /// The items in a module.
+ ///
+ /// This can be conveniently accessed by `tcx.hir().visit_item_likes_in_module`.
+ /// Avoid calling this query directly.
+ query hir_module_items(key: LocalDefId) -> &'tcx hir::ModuleItems {
+ eval_always
+ desc { |tcx| "HIR module items in `{}`", tcx.def_path_str(key.to_def_id()) }
+ }
- /// Gives access to the HIR node for the HIR owner `key`.
- ///
- /// This can be conveniently accessed by methods on `tcx.hir()`.
- /// Avoid calling this query directly.
- query hir_owner(key: LocalDefId) -> Option<&'tcx crate::hir::Owner<'tcx>> {
- eval_always
- desc { |tcx| "HIR owner of `{}`", tcx.def_path_str(key.to_def_id()) }
- }
+ /// Gives access to the HIR node for the HIR owner `key`.
+ ///
+ /// This can be conveniently accessed by methods on `tcx.hir()`.
+ /// Avoid calling this query directly.
+ query hir_owner(key: LocalDefId) -> Option<&'tcx crate::hir::Owner<'tcx>> {
+ eval_always
+ desc { |tcx| "HIR owner of `{}`", tcx.def_path_str(key.to_def_id()) }
+ }
- /// Gives access to the HIR nodes and bodies inside the HIR owner `key`.
- ///
- /// This can be conveniently accessed by methods on `tcx.hir()`.
- /// Avoid calling this query directly.
- query hir_owner_nodes(key: LocalDefId) -> Option<&'tcx crate::hir::OwnerNodes<'tcx>> {
- eval_always
- desc { |tcx| "HIR owner items in `{}`", tcx.def_path_str(key.to_def_id()) }
- }
+ /// Gives access to the HIR nodes and bodies inside the HIR owner `key`.
+ ///
+ /// This can be conveniently accessed by methods on `tcx.hir()`.
+ /// Avoid calling this query directly.
+ query hir_owner_nodes(key: LocalDefId) -> Option<&'tcx crate::hir::OwnerNodes<'tcx>> {
+ eval_always
+ desc { |tcx| "HIR owner items in `{}`", tcx.def_path_str(key.to_def_id()) }
+ }
- /// Computes the `DefId` of the corresponding const parameter in case the `key` is a
- /// const argument and returns `None` otherwise.
- ///
- /// ```ignore (incomplete)
- /// let a = foo::<7>();
- /// // ^ Calling `opt_const_param_of` for this argument,
- ///
- /// fn foo<const N: usize>()
- /// // ^ returns this `DefId`.
- ///
- /// fn bar() {
- /// // ^ While calling `opt_const_param_of` for other bodies returns `None`.
- /// }
- /// ```
- // It looks like caching this query on disk actually slightly
- // worsened performance in #74376.
- //
- // Once const generics are more prevalently used, we might want to
- // consider only caching calls returning `Some`.
- query opt_const_param_of(key: LocalDefId) -> Option<DefId> {
- desc { |tcx| "computing the optional const parameter of `{}`", tcx.def_path_str(key.to_def_id()) }
- }
+ /// Computes the `DefId` of the corresponding const parameter in case the `key` is a
+ /// const argument and returns `None` otherwise.
+ ///
+ /// ```ignore (incomplete)
+ /// let a = foo::<7>();
+ /// // ^ Calling `opt_const_param_of` for this argument,
+ ///
+ /// fn foo<const N: usize>()
+ /// // ^ returns this `DefId`.
+ ///
+ /// fn bar() {
+ /// // ^ While calling `opt_const_param_of` for other bodies returns `None`.
+ /// }
+ /// ```
+ // It looks like caching this query on disk actually slightly
+ // worsened performance in #74376.
+ //
+ // Once const generics are more prevalently used, we might want to
+ // consider only caching calls returning `Some`.
+ query opt_const_param_of(key: LocalDefId) -> Option<DefId> {
+ desc { |tcx| "computing the optional const parameter of `{}`", tcx.def_path_str(key.to_def_id()) }
+ }
- /// Records the type of every item.
- query type_of(key: DefId) -> Ty<'tcx> {
- desc { |tcx| "computing type of `{}`", tcx.def_path_str(key) }
- cache_on_disk_if { key.is_local() }
- }
+ /// Records the type of every item.
+ query type_of(key: DefId) -> Ty<'tcx> {
+ desc { |tcx| "computing type of `{}`", tcx.def_path_str(key) }
+ cache_on_disk_if { key.is_local() }
+ }
- query analysis(key: CrateNum) -> Result<(), ErrorReported> {
- eval_always
- desc { "running analysis passes on this crate" }
- }
+ query analysis(key: CrateNum) -> Result<(), ErrorReported> {
+ eval_always
+ desc { "running analysis passes on this crate" }
+ }
- /// Maps from the `DefId` of an item (trait/struct/enum/fn) to its
- /// associated generics.
- query generics_of(key: DefId) -> ty::Generics {
- desc { |tcx| "computing generics of `{}`", tcx.def_path_str(key) }
- storage(ArenaCacheSelector<'tcx>)
- cache_on_disk_if { key.is_local() }
- load_cached(tcx, id) {
- let generics: Option<ty::Generics> = tcx.queries.on_disk_cache.as_ref()
- .and_then(|c| c.try_load_query_result(tcx, id));
- generics
- }
+ /// Maps from the `DefId` of an item (trait/struct/enum/fn) to its
+ /// associated generics.
+ query generics_of(key: DefId) -> ty::Generics {
+ desc { |tcx| "computing generics of `{}`", tcx.def_path_str(key) }
+ storage(ArenaCacheSelector<'tcx>)
+ cache_on_disk_if { key.is_local() }
+ load_cached(tcx, id) {
+ let generics: Option<ty::Generics> = tcx.queries.on_disk_cache.as_ref()
+ .and_then(|c| c.try_load_query_result(tcx, id));
+ generics
}
+ }
- /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
- /// predicates (where-clauses) that must be proven true in order
- /// to reference it. This is almost always the "predicates query"
- /// that you want.
- ///
- /// `predicates_of` builds on `predicates_defined_on` -- in fact,
- /// it is almost always the same as that query, except for the
- /// case of traits. For traits, `predicates_of` contains
- /// an additional `Self: Trait<...>` predicate that users don't
- /// actually write. This reflects the fact that to invoke the
- /// trait (e.g., via `Default::default`) you must supply types
- /// that actually implement the trait. (However, this extra
- /// predicate gets in the way of some checks, which are intended
- /// to operate over only the actual where-clauses written by the
- /// user.)
- query predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
- desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) }
- cache_on_disk_if { key.is_local() }
- }
+ /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
+ /// predicates (where-clauses) that must be proven true in order
+ /// to reference it. This is almost always the "predicates query"
+ /// that you want.
+ ///
+ /// `predicates_of` builds on `predicates_defined_on` -- in fact,
+ /// it is almost always the same as that query, except for the
+ /// case of traits. For traits, `predicates_of` contains
+ /// an additional `Self: Trait<...>` predicate that users don't
+ /// actually write. This reflects the fact that to invoke the
+ /// trait (e.g., via `Default::default`) you must supply types
+ /// that actually implement the trait. (However, this extra
+ /// predicate gets in the way of some checks, which are intended
+ /// to operate over only the actual where-clauses written by the
+ /// user.)
+ query predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
+ desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) }
+ cache_on_disk_if { key.is_local() }
+ }
- /// Returns the list of bounds that can be used for
- /// `SelectionCandidate::ProjectionCandidate(_)` and
- /// `ProjectionTyCandidate::TraitDef`.
- /// Specifically this is the bounds written on the trait's type
- /// definition, or those after the `impl` keyword
- ///
- /// ```ignore (incomplete)
- /// type X: Bound + 'lt
- /// // ^^^^^^^^^^^
- /// impl Debug + Display
- /// // ^^^^^^^^^^^^^^^
- /// ```
- ///
- /// `key` is the `DefId` of the associated type or opaque type.
- ///
- /// Bounds from the parent (e.g. with nested impl trait) are not included.
- query explicit_item_bounds(key: DefId) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
- desc { |tcx| "finding item bounds for `{}`", tcx.def_path_str(key) }
- }
+ /// Returns the list of bounds that can be used for
+ /// `SelectionCandidate::ProjectionCandidate(_)` and
+ /// `ProjectionTyCandidate::TraitDef`.
+ /// Specifically this is the bounds written on the trait's type
+ /// definition, or those after the `impl` keyword
+ ///
+ /// ```ignore (incomplete)
+ /// type X: Bound + 'lt
+ /// // ^^^^^^^^^^^
+ /// impl Debug + Display
+ /// // ^^^^^^^^^^^^^^^
+ /// ```
+ ///
+ /// `key` is the `DefId` of the associated type or opaque type.
+ ///
+ /// Bounds from the parent (e.g. with nested impl trait) are not included.
+ query explicit_item_bounds(key: DefId) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
+ desc { |tcx| "finding item bounds for `{}`", tcx.def_path_str(key) }
+ }
- /// Elaborated version of the predicates from `explicit_item_bounds`.
- ///
- /// For example:
- ///
- /// ```
- /// trait MyTrait {
- /// type MyAType: Eq + ?Sized;
- /// }
- /// ```
- ///
- /// `explicit_item_bounds` returns `[<Self as MyTrait>::MyAType: Eq]`,
- /// and `item_bounds` returns
- /// ```text
- /// [
- /// <Self as Trait>::MyAType: Eq,
- /// <Self as Trait>::MyAType: PartialEq<<Self as Trait>::MyAType>
- /// ]
- /// ```
- ///
- /// Bounds from the parent (e.g. with nested impl trait) are not included.
- query item_bounds(key: DefId) -> &'tcx ty::List<ty::Predicate<'tcx>> {
- desc { |tcx| "elaborating item bounds for `{}`", tcx.def_path_str(key) }
- }
+ /// Elaborated version of the predicates from `explicit_item_bounds`.
+ ///
+ /// For example:
+ ///
+ /// ```
+ /// trait MyTrait {
+ /// type MyAType: Eq + ?Sized;
+ /// }
+ /// ```
+ ///
+ /// `explicit_item_bounds` returns `[<Self as MyTrait>::MyAType: Eq]`,
+ /// and `item_bounds` returns
+ /// ```text
+ /// [
+ /// <Self as Trait>::MyAType: Eq,
+ /// <Self as Trait>::MyAType: PartialEq<<Self as Trait>::MyAType>
+ /// ]
+ /// ```
+ ///
+ /// Bounds from the parent (e.g. with nested impl trait) are not included.
+ query item_bounds(key: DefId) -> &'tcx ty::List<ty::Predicate<'tcx>> {
+ desc { |tcx| "elaborating item bounds for `{}`", tcx.def_path_str(key) }
+ }
- query projection_ty_from_predicates(key: (DefId, DefId)) -> Option<ty::ProjectionTy<'tcx>> {
- desc { |tcx| "finding projection type inside predicates of `{}`", tcx.def_path_str(key.0) }
- }
+ query projection_ty_from_predicates(key: (DefId, DefId)) -> Option<ty::ProjectionTy<'tcx>> {
+ desc { |tcx| "finding projection type inside predicates of `{}`", tcx.def_path_str(key.0) }
+ }
- query native_libraries(_: CrateNum) -> Lrc<Vec<NativeLib>> {
- desc { "looking up the native libraries of a linked crate" }
- }
+ query native_libraries(_: CrateNum) -> Lrc<Vec<NativeLib>> {
+ desc { "looking up the native libraries of a linked crate" }
+ }
- query lint_levels(_: CrateNum) -> LintLevelMap {
- storage(ArenaCacheSelector<'tcx>)
- eval_always
- desc { "computing the lint levels for items in this crate" }
- }
+ query lint_levels(_: CrateNum) -> LintLevelMap {
+ storage(ArenaCacheSelector<'tcx>)
+ eval_always
+ desc { "computing the lint levels for items in this crate" }
+ }
- query parent_module_from_def_id(key: LocalDefId) -> LocalDefId {
- eval_always
- desc { |tcx| "parent module of `{}`", tcx.def_path_str(key.to_def_id()) }
- }
+ query parent_module_from_def_id(key: LocalDefId) -> LocalDefId {
+ eval_always
+ desc { |tcx| "parent module of `{}`", tcx.def_path_str(key.to_def_id()) }
+ }
- /// Internal helper query. Use `tcx.expansion_that_defined` instead
- query expn_that_defined(key: DefId) -> rustc_span::ExpnId {
- desc { |tcx| "expansion that defined `{}`", tcx.def_path_str(key) }
- }
+ /// Internal helper query. Use `tcx.expansion_that_defined` instead
+ query expn_that_defined(key: DefId) -> rustc_span::ExpnId {
+ desc { |tcx| "expansion that defined `{}`", tcx.def_path_str(key) }
+ }
- query is_panic_runtime(_: CrateNum) -> bool {
- fatal_cycle
- desc { "checking if the crate is_panic_runtime" }
- }
+ query is_panic_runtime(_: CrateNum) -> bool {
+ fatal_cycle
+ desc { "checking if the crate is_panic_runtime" }
+ }
- /// Set of all the `DefId`s in this crate that have MIR associated with
- /// them. This includes all the body owners, but also things like struct
- /// constructors.
- query mir_keys(_: CrateNum) -> FxHashSet<LocalDefId> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "getting a list of all mir_keys" }
- }
+ /// Set of all the `DefId`s in this crate that have MIR associated with
+ /// them. This includes all the body owners, but also things like struct
+ /// constructors.
+ query mir_keys(_: CrateNum) -> FxHashSet<LocalDefId> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "getting a list of all mir_keys" }
+ }
- /// Maps DefId's that have an associated `mir::Body` to the result
- /// of the MIR const-checking pass. This is the set of qualifs in
- /// the final value of a `const`.
- query mir_const_qualif(key: DefId) -> mir::ConstQualifs {
- desc { |tcx| "const checking `{}`", tcx.def_path_str(key) }
- cache_on_disk_if { key.is_local() }
- }
- query mir_const_qualif_const_arg(
- key: (LocalDefId, DefId)
- ) -> mir::ConstQualifs {
- desc {
- |tcx| "const checking the const argument `{}`",
- tcx.def_path_str(key.0.to_def_id())
- }
+ /// Maps DefId's that have an associated `mir::Body` to the result
+ /// of the MIR const-checking pass. This is the set of qualifs in
+ /// the final value of a `const`.
+ query mir_const_qualif(key: DefId) -> mir::ConstQualifs {
+ desc { |tcx| "const checking `{}`", tcx.def_path_str(key) }
+ cache_on_disk_if { key.is_local() }
+ }
+ query mir_const_qualif_const_arg(
+ key: (LocalDefId, DefId)
+ ) -> mir::ConstQualifs {
+ desc {
+ |tcx| "const checking the const argument `{}`",
+ tcx.def_path_str(key.0.to_def_id())
}
+ }
- /// Fetch the MIR for a given `DefId` right after it's built - this includes
- /// unreachable code.
- query mir_built(key: ty::WithOptConstParam<LocalDefId>) -> &'tcx Steal<mir::Body<'tcx>> {
- desc { |tcx| "building MIR for `{}`", tcx.def_path_str(key.did.to_def_id()) }
- }
+ /// Fetch the MIR for a given `DefId` right after it's built - this includes
+ /// unreachable code.
+ query mir_built(key: ty::WithOptConstParam<LocalDefId>) -> &'tcx Steal<mir::Body<'tcx>> {
+ desc { |tcx| "building MIR for `{}`", tcx.def_path_str(key.did.to_def_id()) }
+ }
- /// Fetch the MIR for a given `DefId` up till the point where it is
- /// ready for const qualification.
- ///
- /// See the README for the `mir` module for details.
- query mir_const(key: ty::WithOptConstParam<LocalDefId>) -> &'tcx Steal<mir::Body<'tcx>> {
- desc {
- |tcx| "processing MIR for {}`{}`",
- if key.const_param_did.is_some() { "the const argument " } else { "" },
- tcx.def_path_str(key.did.to_def_id()),
- }
- no_hash
- }
+ /// Fetch the MIR for a given `DefId` up till the point where it is
+ /// ready for const qualification.
+ ///
+ /// See the README for the `mir` module for details.
+ query mir_const(key: ty::WithOptConstParam<LocalDefId>) -> &'tcx Steal<mir::Body<'tcx>> {
+ desc {
+ |tcx| "processing MIR for {}`{}`",
+ if key.const_param_did.is_some() { "the const argument " } else { "" },
+ tcx.def_path_str(key.did.to_def_id()),
+ }
+ no_hash
+ }
- /// Try to build an abstract representation of the given constant.
- query mir_abstract_const(
- key: DefId
- ) -> Result<Option<&'tcx [mir::abstract_const::Node<'tcx>]>, ErrorReported> {
- desc {
- |tcx| "building an abstract representation for {}", tcx.def_path_str(key),
- }
+ /// Try to build an abstract representation of the given constant.
+ query mir_abstract_const(
+ key: DefId
+ ) -> Result<Option<&'tcx [mir::abstract_const::Node<'tcx>]>, ErrorReported> {
+ desc {
+ |tcx| "building an abstract representation for {}", tcx.def_path_str(key),
}
- /// Try to build an abstract representation of the given constant.
- query mir_abstract_const_of_const_arg(
- key: (LocalDefId, DefId)
- ) -> Result<Option<&'tcx [mir::abstract_const::Node<'tcx>]>, ErrorReported> {
- desc {
- |tcx|
- "building an abstract representation for the const argument {}",
- tcx.def_path_str(key.0.to_def_id()),
- }
+ }
+ /// Try to build an abstract representation of the given constant.
+ query mir_abstract_const_of_const_arg(
+ key: (LocalDefId, DefId)
+ ) -> Result<Option<&'tcx [mir::abstract_const::Node<'tcx>]>, ErrorReported> {
+ desc {
+ |tcx|
+ "building an abstract representation for the const argument {}",
+ tcx.def_path_str(key.0.to_def_id()),
}
+ }
- query try_unify_abstract_consts(key: (
- (ty::WithOptConstParam<DefId>, SubstsRef<'tcx>),
- (ty::WithOptConstParam<DefId>, SubstsRef<'tcx>)
- )) -> bool {
- desc {
- |tcx| "trying to unify the generic constants {} and {}",
- tcx.def_path_str(key.0.0.did), tcx.def_path_str(key.1.0.did)
- }
+ query try_unify_abstract_consts(key: (
+ (ty::WithOptConstParam<DefId>, SubstsRef<'tcx>),
+ (ty::WithOptConstParam<DefId>, SubstsRef<'tcx>)
+ )) -> bool {
+ desc {
+ |tcx| "trying to unify the generic constants {} and {}",
+ tcx.def_path_str(key.0.0.did), tcx.def_path_str(key.1.0.did)
}
+ }
- query mir_drops_elaborated_and_const_checked(
- key: ty::WithOptConstParam<LocalDefId>
- ) -> &'tcx Steal<mir::Body<'tcx>> {
- no_hash
- desc { |tcx| "elaborating drops for `{}`", tcx.def_path_str(key.did.to_def_id()) }
- }
+ query mir_drops_elaborated_and_const_checked(
+ key: ty::WithOptConstParam<LocalDefId>
+ ) -> &'tcx Steal<mir::Body<'tcx>> {
+ no_hash
+ desc { |tcx| "elaborating drops for `{}`", tcx.def_path_str(key.did.to_def_id()) }
+ }
- query mir_for_ctfe(
- key: DefId
- ) -> &'tcx mir::Body<'tcx> {
- desc { |tcx| "caching mir of `{}` for CTFE", tcx.def_path_str(key) }
- cache_on_disk_if { key.is_local() }
- }
+ query mir_for_ctfe(
+ key: DefId
+ ) -> &'tcx mir::Body<'tcx> {
+ desc { |tcx| "caching mir of `{}` for CTFE", tcx.def_path_str(key) }
+ cache_on_disk_if { key.is_local() }
+ }
- query mir_for_ctfe_of_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::Body<'tcx> {
- desc {
- |tcx| "MIR for CTFE of the const argument `{}`",
- tcx.def_path_str(key.0.to_def_id())
- }
+ query mir_for_ctfe_of_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::Body<'tcx> {
+ desc {
+ |tcx| "MIR for CTFE of the const argument `{}`",
+ tcx.def_path_str(key.0.to_def_id())
}
+ }
- query mir_promoted(key: ty::WithOptConstParam<LocalDefId>) ->
- (
- &'tcx Steal<mir::Body<'tcx>>,
- &'tcx Steal<IndexVec<mir::Promoted, mir::Body<'tcx>>>
- ) {
- no_hash
- desc {
- |tcx| "processing {}`{}`",
- if key.const_param_did.is_some() { "the const argument " } else { "" },
- tcx.def_path_str(key.did.to_def_id()),
- }
+ query mir_promoted(key: ty::WithOptConstParam<LocalDefId>) ->
+ (
+ &'tcx Steal<mir::Body<'tcx>>,
+ &'tcx Steal<IndexVec<mir::Promoted, mir::Body<'tcx>>>
+ ) {
+ no_hash
+ desc {
+ |tcx| "processing {}`{}`",
+ if key.const_param_did.is_some() { "the const argument " } else { "" },
+ tcx.def_path_str(key.did.to_def_id()),
}
+ }
- /// MIR after our optimization passes have run. This is MIR that is ready
- /// for codegen. This is also the only query that can fetch non-local MIR, at present.
- query optimized_mir(key: DefId) -> &'tcx mir::Body<'tcx> {
- desc { |tcx| "optimizing MIR for `{}`", tcx.def_path_str(key) }
- cache_on_disk_if { key.is_local() }
- }
+ /// MIR after our optimization passes have run. This is MIR that is ready
+ /// for codegen. This is also the only query that can fetch non-local MIR, at present.
+ query optimized_mir(key: DefId) -> &'tcx mir::Body<'tcx> {
+ desc { |tcx| "optimizing MIR for `{}`", tcx.def_path_str(key) }
+ cache_on_disk_if { key.is_local() }
+ }
- /// Returns coverage summary info for a function, after executing the `InstrumentCoverage`
- /// MIR pass (assuming the -Zinstrument-coverage option is enabled).
- query coverageinfo(key: DefId) -> mir::CoverageInfo {
- desc { |tcx| "retrieving coverage info from MIR for `{}`", tcx.def_path_str(key) }
- storage(ArenaCacheSelector<'tcx>)
- cache_on_disk_if { key.is_local() }
- }
+ /// Returns coverage summary info for a function, after executing the `InstrumentCoverage`
+ /// MIR pass (assuming the -Zinstrument-coverage option is enabled).
+ query coverageinfo(key: DefId) -> mir::CoverageInfo {
+ desc { |tcx| "retrieving coverage info from MIR for `{}`", tcx.def_path_str(key) }
+ storage(ArenaCacheSelector<'tcx>)
+ cache_on_disk_if { key.is_local() }
+ }
- /// Returns the name of the file that contains the function body, if instrumented for coverage.
- query covered_file_name(key: DefId) -> Option<Symbol> {
- desc { |tcx| "retrieving the covered file name, if instrumented, for `{}`", tcx.def_path_str(key) }
- storage(ArenaCacheSelector<'tcx>)
- cache_on_disk_if { key.is_local() }
- }
+ /// Returns the name of the file that contains the function body, if instrumented for coverage.
+ query covered_file_name(key: DefId) -> Option<Symbol> {
+ desc { |tcx| "retrieving the covered file name, if instrumented, for `{}`", tcx.def_path_str(key) }
+ storage(ArenaCacheSelector<'tcx>)
+ cache_on_disk_if { key.is_local() }
+ }
- /// Returns the `CodeRegions` for a function that has instrumented coverage, in case the
- /// function was optimized out before codegen, and before being added to the Coverage Map.
- query covered_code_regions(key: DefId) -> Vec<&'tcx mir::coverage::CodeRegion> {
- desc { |tcx| "retrieving the covered `CodeRegion`s, if instrumented, for `{}`", tcx.def_path_str(key) }
- storage(ArenaCacheSelector<'tcx>)
- cache_on_disk_if { key.is_local() }
- }
+ /// Returns the `CodeRegions` for a function that has instrumented coverage, in case the
+ /// function was optimized out before codegen, and before being added to the Coverage Map.
+ query covered_code_regions(key: DefId) -> Vec<&'tcx mir::coverage::CodeRegion> {
+ desc { |tcx| "retrieving the covered `CodeRegion`s, if instrumented, for `{}`", tcx.def_path_str(key) }
+ storage(ArenaCacheSelector<'tcx>)
+ cache_on_disk_if { key.is_local() }
+ }
- /// The `DefId` is the `DefId` of the containing MIR body. Promoteds do not have their own
- /// `DefId`. This function returns all promoteds in the specified body. The body references
- /// promoteds by the `DefId` and the `mir::Promoted` index. This is necessary, because
- /// after inlining a body may refer to promoteds from other bodies. In that case you still
- /// need to use the `DefId` of the original body.
- query promoted_mir(key: DefId) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> {
- desc { |tcx| "optimizing promoted MIR for `{}`", tcx.def_path_str(key) }
- cache_on_disk_if { key.is_local() }
- }
- query promoted_mir_of_const_arg(
- key: (LocalDefId, DefId)
- ) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> {
- desc {
- |tcx| "optimizing promoted MIR for the const argument `{}`",
- tcx.def_path_str(key.0.to_def_id()),
- }
+ /// The `DefId` is the `DefId` of the containing MIR body. Promoteds do not have their own
+ /// `DefId`. This function returns all promoteds in the specified body. The body references
+ /// promoteds by the `DefId` and the `mir::Promoted` index. This is necessary, because
+ /// after inlining a body may refer to promoteds from other bodies. In that case you still
+ /// need to use the `DefId` of the original body.
+ query promoted_mir(key: DefId) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> {
+ desc { |tcx| "optimizing promoted MIR for `{}`", tcx.def_path_str(key) }
+ cache_on_disk_if { key.is_local() }
+ }
+ query promoted_mir_of_const_arg(
+ key: (LocalDefId, DefId)
+ ) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> {
+ desc {
+ |tcx| "optimizing promoted MIR for the const argument `{}`",
+ tcx.def_path_str(key.0.to_def_id()),
}
+ }
- /// Erases regions from `ty` to yield a new type.
- /// Normally you would just use `tcx.erase_regions(value)`,
- /// however, which uses this query as a kind of cache.
- query erase_regions_ty(ty: Ty<'tcx>) -> Ty<'tcx> {
- // This query is not expected to have input -- as a result, it
- // is not a good candidates for "replay" because it is essentially a
- // pure function of its input (and hence the expectation is that
- // no caller would be green **apart** from just these
- // queries). Making it anonymous avoids hashing the result, which
- // may save a bit of time.
- anon
- desc { "erasing regions from `{:?}`", ty }
- }
+ /// Erases regions from `ty` to yield a new type.
+ /// Normally you would just use `tcx.erase_regions(value)`,
+ /// however, which uses this query as a kind of cache.
+ query erase_regions_ty(ty: Ty<'tcx>) -> Ty<'tcx> {
+ // This query is not expected to have input -- as a result, it
+ // is not a good candidates for "replay" because it is essentially a
+ // pure function of its input (and hence the expectation is that
+ // no caller would be green **apart** from just these
+ // queries). Making it anonymous avoids hashing the result, which
+ // may save a bit of time.
+ anon
+ desc { "erasing regions from `{:?}`", ty }
+ }
- query wasm_import_module_map(_: CrateNum) -> FxHashMap<DefId, String> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "wasm import module map" }
- }
+ query wasm_import_module_map(_: CrateNum) -> FxHashMap<DefId, String> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "wasm import module map" }
+ }
- /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
- /// predicates (where-clauses) directly defined on it. This is
- /// equal to the `explicit_predicates_of` predicates plus the
- /// `inferred_outlives_of` predicates.
- query predicates_defined_on(key: DefId) -> ty::GenericPredicates<'tcx> {
- desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) }
- }
+ /// Maps from the `DefId` of an item (trait/struct/enum/fn) to the
+ /// predicates (where-clauses) directly defined on it. This is
+ /// equal to the `explicit_predicates_of` predicates plus the
+ /// `inferred_outlives_of` predicates.
+ query predicates_defined_on(key: DefId) -> ty::GenericPredicates<'tcx> {
+ desc { |tcx| "computing predicates of `{}`", tcx.def_path_str(key) }
+ }
- /// Returns everything that looks like a predicate written explicitly
- /// by the user on a trait item.
- ///
- /// Traits are unusual, because predicates on associated types are
- /// converted into bounds on that type for backwards compatibility:
- ///
- /// trait X where Self::U: Copy { type U; }
- ///
- /// becomes
- ///
- /// trait X { type U: Copy; }
- ///
- /// `explicit_predicates_of` and `explicit_item_bounds` will then take
- /// the appropriate subsets of the predicates here.
- query trait_explicit_predicates_and_bounds(key: LocalDefId) -> ty::GenericPredicates<'tcx> {
- desc { |tcx| "computing explicit predicates of trait `{}`", tcx.def_path_str(key.to_def_id()) }
- }
+ /// Returns everything that looks like a predicate written explicitly
+ /// by the user on a trait item.
+ ///
+ /// Traits are unusual, because predicates on associated types are
+ /// converted into bounds on that type for backwards compatibility:
+ ///
+ /// trait X where Self::U: Copy { type U; }
+ ///
+ /// becomes
+ ///
+ /// trait X { type U: Copy; }
+ ///
+ /// `explicit_predicates_of` and `explicit_item_bounds` will then take
+ /// the appropriate subsets of the predicates here.
+ query trait_explicit_predicates_and_bounds(key: LocalDefId) -> ty::GenericPredicates<'tcx> {
+ desc { |tcx| "computing explicit predicates of trait `{}`", tcx.def_path_str(key.to_def_id()) }
+ }
- /// Returns the predicates written explicitly by the user.
- query explicit_predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
- desc { |tcx| "computing explicit predicates of `{}`", tcx.def_path_str(key) }
- }
+ /// Returns the predicates written explicitly by the user.
+ query explicit_predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
+ desc { |tcx| "computing explicit predicates of `{}`", tcx.def_path_str(key) }
+ }
- /// Returns the inferred outlives predicates (e.g., for `struct
- /// Foo<'a, T> { x: &'a T }`, this would return `T: 'a`).
- query inferred_outlives_of(key: DefId) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
- desc { |tcx| "computing inferred outlives predicates of `{}`", tcx.def_path_str(key) }
- }
+ /// Returns the inferred outlives predicates (e.g., for `struct
+ /// Foo<'a, T> { x: &'a T }`, this would return `T: 'a`).
+ query inferred_outlives_of(key: DefId) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
+ desc { |tcx| "computing inferred outlives predicates of `{}`", tcx.def_path_str(key) }
+ }
- /// Maps from the `DefId` of a trait to the list of
- /// super-predicates. This is a subset of the full list of
- /// predicates. We store these in a separate map because we must
- /// evaluate them even during type conversion, often before the
- /// full predicates are available (note that supertraits have
- /// additional acyclicity requirements).
- query super_predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
- desc { |tcx| "computing the supertraits of `{}`", tcx.def_path_str(key) }
- }
+ /// Maps from the `DefId` of a trait to the list of
+ /// super-predicates. This is a subset of the full list of
+ /// predicates. We store these in a separate map because we must
+ /// evaluate them even during type conversion, often before the
+ /// full predicates are available (note that supertraits have
+ /// additional acyclicity requirements).
+ query super_predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> {
+ desc { |tcx| "computing the supertraits of `{}`", tcx.def_path_str(key) }
+ }
- /// To avoid cycles within the predicates of a single item we compute
- /// per-type-parameter predicates for resolving `T::AssocTy`.
- query type_param_predicates(key: (DefId, LocalDefId)) -> ty::GenericPredicates<'tcx> {
- desc { |tcx| "computing the bounds for type parameter `{}`", {
- let id = tcx.hir().local_def_id_to_hir_id(key.1);
- tcx.hir().ty_param_name(id)
- }}
- }
+ /// To avoid cycles within the predicates of a single item we compute
+ /// per-type-parameter predicates for resolving `T::AssocTy`.
+ query type_param_predicates(key: (DefId, LocalDefId)) -> ty::GenericPredicates<'tcx> {
+ desc { |tcx| "computing the bounds for type parameter `{}`", {
+ let id = tcx.hir().local_def_id_to_hir_id(key.1);
+ tcx.hir().ty_param_name(id)
+ }}
+ }
- query trait_def(key: DefId) -> ty::TraitDef {
- desc { |tcx| "computing trait definition for `{}`", tcx.def_path_str(key) }
- storage(ArenaCacheSelector<'tcx>)
- }
- query adt_def(key: DefId) -> &'tcx ty::AdtDef {
- desc { |tcx| "computing ADT definition for `{}`", tcx.def_path_str(key) }
- }
- query adt_destructor(key: DefId) -> Option<ty::Destructor> {
- desc { |tcx| "computing `Drop` impl for `{}`", tcx.def_path_str(key) }
- }
+ query trait_def(key: DefId) -> ty::TraitDef {
+ desc { |tcx| "computing trait definition for `{}`", tcx.def_path_str(key) }
+ storage(ArenaCacheSelector<'tcx>)
+ }
+ query adt_def(key: DefId) -> &'tcx ty::AdtDef {
+ desc { |tcx| "computing ADT definition for `{}`", tcx.def_path_str(key) }
+ }
+ query adt_destructor(key: DefId) -> Option<ty::Destructor> {
+ desc { |tcx| "computing `Drop` impl for `{}`", tcx.def_path_str(key) }
+ }
- // The cycle error here should be reported as an error by `check_representable`.
- // We consider the type as Sized in the meanwhile to avoid
- // further errors (done in impl Value for AdtSizedConstraint).
- // Use `cycle_delay_bug` to delay the cycle error here to be emitted later
- // in case we accidentally otherwise don't emit an error.
- query adt_sized_constraint(
- key: DefId
- ) -> AdtSizedConstraint<'tcx> {
- desc { |tcx| "computing `Sized` constraints for `{}`", tcx.def_path_str(key) }
- cycle_delay_bug
- }
+ // The cycle error here should be reported as an error by `check_representable`.
+ // We consider the type as Sized in the meanwhile to avoid
+ // further errors (done in impl Value for AdtSizedConstraint).
+ // Use `cycle_delay_bug` to delay the cycle error here to be emitted later
+ // in case we accidentally otherwise don't emit an error.
+ query adt_sized_constraint(
+ key: DefId
+ ) -> AdtSizedConstraint<'tcx> {
+ desc { |tcx| "computing `Sized` constraints for `{}`", tcx.def_path_str(key) }
+ cycle_delay_bug
+ }
- query adt_dtorck_constraint(
- key: DefId
- ) -> Result<DtorckConstraint<'tcx>, NoSolution> {
- desc { |tcx| "computing drop-check constraints for `{}`", tcx.def_path_str(key) }
- }
+ query adt_dtorck_constraint(
+ key: DefId
+ ) -> Result<DtorckConstraint<'tcx>, NoSolution> {
+ desc { |tcx| "computing drop-check constraints for `{}`", tcx.def_path_str(key) }
+ }
- /// Returns `true` if this is a const fn, use the `is_const_fn` to know whether your crate
- /// actually sees it as const fn (e.g., the const-fn-ness might be unstable and you might
- /// not have the feature gate active).
- ///
- /// **Do not call this function manually.** It is only meant to cache the base data for the
- /// `is_const_fn` function.
- query is_const_fn_raw(key: DefId) -> bool {
- desc { |tcx| "checking if item is const fn: `{}`", tcx.def_path_str(key) }
- }
+ /// Returns `true` if this is a const fn, use the `is_const_fn` to know whether your crate
+ /// actually sees it as const fn (e.g., the const-fn-ness might be unstable and you might
+ /// not have the feature gate active).
+ ///
+ /// **Do not call this function manually.** It is only meant to cache the base data for the
+ /// `is_const_fn` function.
+ query is_const_fn_raw(key: DefId) -> bool {
+ desc { |tcx| "checking if item is const fn: `{}`", tcx.def_path_str(key) }
+ }
- /// Returns `true` if this is a const `impl`. **Do not call this function manually.**
- ///
- /// This query caches the base data for the `is_const_impl` helper function, which also
- /// takes into account stability attributes (e.g., `#[rustc_const_unstable]`).
- query is_const_impl_raw(key: DefId) -> bool {
- desc { |tcx| "checking if item is const impl: `{}`", tcx.def_path_str(key) }
- }
+ /// Returns `true` if this is a const `impl`. **Do not call this function manually.**
+ ///
+ /// This query caches the base data for the `is_const_impl` helper function, which also
+ /// takes into account stability attributes (e.g., `#[rustc_const_unstable]`).
+ query is_const_impl_raw(key: DefId) -> bool {
+ desc { |tcx| "checking if item is const impl: `{}`", tcx.def_path_str(key) }
+ }
- query asyncness(key: DefId) -> hir::IsAsync {
- desc { |tcx| "checking if the function is async: `{}`", tcx.def_path_str(key) }
- }
+ query asyncness(key: DefId) -> hir::IsAsync {
+ desc { |tcx| "checking if the function is async: `{}`", tcx.def_path_str(key) }
+ }
- /// Returns `true` if calls to the function may be promoted.
- ///
- /// This is either because the function is e.g., a tuple-struct or tuple-variant
- /// constructor, or because it has the `#[rustc_promotable]` attribute. The attribute should
- /// be removed in the future in favour of some form of check which figures out whether the
- /// function does not inspect the bits of any of its arguments (so is essentially just a
- /// constructor function).
- query is_promotable_const_fn(key: DefId) -> bool {
- desc { |tcx| "checking if item is promotable: `{}`", tcx.def_path_str(key) }
- }
+ /// Returns `true` if calls to the function may be promoted.
+ ///
+ /// This is either because the function is e.g., a tuple-struct or tuple-variant
+ /// constructor, or because it has the `#[rustc_promotable]` attribute. The attribute should
+ /// be removed in the future in favour of some form of check which figures out whether the
+ /// function does not inspect the bits of any of its arguments (so is essentially just a
+ /// constructor function).
+ query is_promotable_const_fn(key: DefId) -> bool {
+ desc { |tcx| "checking if item is promotable: `{}`", tcx.def_path_str(key) }
+ }
- /// Returns `true` if this is a foreign item (i.e., linked via `extern { ... }`).
- query is_foreign_item(key: DefId) -> bool {
- desc { |tcx| "checking if `{}` is a foreign item", tcx.def_path_str(key) }
- }
+ /// Returns `true` if this is a foreign item (i.e., linked via `extern { ... }`).
+ query is_foreign_item(key: DefId) -> bool {
+ desc { |tcx| "checking if `{}` is a foreign item", tcx.def_path_str(key) }
+ }
- /// Returns `Some(mutability)` if the node pointed to by `def_id` is a static item.
- query static_mutability(def_id: DefId) -> Option<hir::Mutability> {
- desc { |tcx| "looking up static mutability of `{}`", tcx.def_path_str(def_id) }
- }
+ /// Returns `Some(mutability)` if the node pointed to by `def_id` is a static item.
+ query static_mutability(def_id: DefId) -> Option<hir::Mutability> {
+ desc { |tcx| "looking up static mutability of `{}`", tcx.def_path_str(def_id) }
+ }
- /// Returns `Some(generator_kind)` if the node pointed to by `def_id` is a generator.
- query generator_kind(def_id: DefId) -> Option<hir::GeneratorKind> {
- desc { |tcx| "looking up generator kind of `{}`", tcx.def_path_str(def_id) }
- }
+ /// Returns `Some(generator_kind)` if the node pointed to by `def_id` is a generator.
+ query generator_kind(def_id: DefId) -> Option<hir::GeneratorKind> {
+ desc { |tcx| "looking up generator kind of `{}`", tcx.def_path_str(def_id) }
+ }
- /// Gets a map with the variance of every item; use `item_variance` instead.
- query crate_variances(_: CrateNum) -> ty::CrateVariancesMap<'tcx> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "computing the variances for items in this crate" }
- }
+ /// Gets a map with the variance of every item; use `item_variance` instead.
+ query crate_variances(_: CrateNum) -> ty::CrateVariancesMap<'tcx> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "computing the variances for items in this crate" }
+ }
- /// Maps from the `DefId` of a type or region parameter to its (inferred) variance.
- query variances_of(def_id: DefId) -> &'tcx [ty::Variance] {
- desc { |tcx| "computing the variances of `{}`", tcx.def_path_str(def_id) }
- }
+ /// Maps from the `DefId` of a type or region parameter to its (inferred) variance.
+ query variances_of(def_id: DefId) -> &'tcx [ty::Variance] {
+ desc { |tcx| "computing the variances of `{}`", tcx.def_path_str(def_id) }
+ }
- /// Maps from thee `DefId` of a type to its (inferred) outlives.
- query inferred_outlives_crate(_: CrateNum)
- -> ty::CratePredicatesMap<'tcx> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "computing the inferred outlives predicates for items in this crate" }
- }
-
- /// Maps from an impl/trait `DefId to a list of the `DefId`s of its items.
- query associated_item_def_ids(key: DefId) -> &'tcx [DefId] {
- desc { |tcx| "collecting associated items of `{}`", tcx.def_path_str(key) }
- }
+ /// Maps from thee `DefId` of a type to its (inferred) outlives.
+ query inferred_outlives_crate(_: CrateNum)
+ -> ty::CratePredicatesMap<'tcx> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "computing the inferred outlives predicates for items in this crate" }
+ }
- /// Maps from a trait item to the trait item "descriptor".
- query associated_item(key: DefId) -> ty::AssocItem {
- desc { |tcx| "computing associated item data for `{}`", tcx.def_path_str(key) }
- storage(ArenaCacheSelector<'tcx>)
- }
+ /// Maps from an impl/trait `DefId to a list of the `DefId`s of its items.
+ query associated_item_def_ids(key: DefId) -> &'tcx [DefId] {
+ desc { |tcx| "collecting associated items of `{}`", tcx.def_path_str(key) }
+ }
- /// Collects the associated items defined on a trait or impl.
- query associated_items(key: DefId) -> ty::AssociatedItems<'tcx> {
- storage(ArenaCacheSelector<'tcx>)
- desc { |tcx| "collecting associated items of {}", tcx.def_path_str(key) }
- }
+ /// Maps from a trait item to the trait item "descriptor".
+ query associated_item(key: DefId) -> ty::AssocItem {
+ desc { |tcx| "computing associated item data for `{}`", tcx.def_path_str(key) }
+ storage(ArenaCacheSelector<'tcx>)
+ }
- /// Given an `impl_id`, return the trait it implements.
- /// Return `None` if this is an inherent impl.
- query impl_trait_ref(impl_id: DefId) -> Option<ty::TraitRef<'tcx>> {
- desc { |tcx| "computing trait implemented by `{}`", tcx.def_path_str(impl_id) }
- }
- query impl_polarity(impl_id: DefId) -> ty::ImplPolarity {
- desc { |tcx| "computing implementation polarity of `{}`", tcx.def_path_str(impl_id) }
- }
+ /// Collects the associated items defined on a trait or impl.
+ query associated_items(key: DefId) -> ty::AssociatedItems<'tcx> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { |tcx| "collecting associated items of {}", tcx.def_path_str(key) }
+ }
- query issue33140_self_ty(key: DefId) -> Option<ty::Ty<'tcx>> {
- desc { |tcx| "computing Self type wrt issue #33140 `{}`", tcx.def_path_str(key) }
- }
-
- /// Maps a `DefId` of a type to a list of its inherent impls.
- /// Contains implementations of methods that are inherent to a type.
- /// Methods in these implementations don't need to be exported.
- query inherent_impls(key: DefId) -> &'tcx [DefId] {
- desc { |tcx| "collecting inherent impls for `{}`", tcx.def_path_str(key) }
- eval_always
- }
-
- /// The result of unsafety-checking this `LocalDefId`.
- query unsafety_check_result(key: LocalDefId) -> &'tcx mir::UnsafetyCheckResult {
- desc { |tcx| "unsafety-checking `{}`", tcx.def_path_str(key.to_def_id()) }
- cache_on_disk_if { true }
- }
- query unsafety_check_result_for_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::UnsafetyCheckResult {
- desc {
- |tcx| "unsafety-checking the const argument `{}`",
- tcx.def_path_str(key.0.to_def_id())
- }
- }
+ /// Given an `impl_id`, return the trait it implements.
+ /// Return `None` if this is an inherent impl.
+ query impl_trait_ref(impl_id: DefId) -> Option<ty::TraitRef<'tcx>> {
+ desc { |tcx| "computing trait implemented by `{}`", tcx.def_path_str(impl_id) }
+ }
+ query impl_polarity(impl_id: DefId) -> ty::ImplPolarity {
+ desc { |tcx| "computing implementation polarity of `{}`", tcx.def_path_str(impl_id) }
+ }
- /// HACK: when evaluated, this reports a "unsafe derive on repr(packed)" error.
- ///
- /// Unsafety checking is executed for each method separately, but we only want
- /// to emit this error once per derive. As there are some impls with multiple
- /// methods, we use a query for deduplication.
- query unsafe_derive_on_repr_packed(key: LocalDefId) -> () {
- desc { |tcx| "processing `{}`", tcx.def_path_str(key.to_def_id()) }
- }
+ query issue33140_self_ty(key: DefId) -> Option<ty::Ty<'tcx>> {
+ desc { |tcx| "computing Self type wrt issue #33140 `{}`", tcx.def_path_str(key) }
+ }
- /// The signature of functions.
- query fn_sig(key: DefId) -> ty::PolyFnSig<'tcx> {
- desc { |tcx| "computing function signature of `{}`", tcx.def_path_str(key) }
- }
-
- query lint_mod(key: LocalDefId) -> () {
- desc { |tcx| "linting {}", describe_as_module(key, tcx) }
- }
+ /// Maps a `DefId` of a type to a list of its inherent impls.
+ /// Contains implementations of methods that are inherent to a type.
+ /// Methods in these implementations don't need to be exported.
+ query inherent_impls(key: DefId) -> &'tcx [DefId] {
+ desc { |tcx| "collecting inherent impls for `{}`", tcx.def_path_str(key) }
+ eval_always
+ }
- /// Checks the attributes in the module.
- query check_mod_attrs(key: LocalDefId) -> () {
- desc { |tcx| "checking attributes in {}", describe_as_module(key, tcx) }
+ /// The result of unsafety-checking this `LocalDefId`.
+ query unsafety_check_result(key: LocalDefId) -> &'tcx mir::UnsafetyCheckResult {
+ desc { |tcx| "unsafety-checking `{}`", tcx.def_path_str(key.to_def_id()) }
+ cache_on_disk_if { true }
+ }
+ query unsafety_check_result_for_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::UnsafetyCheckResult {
+ desc {
+ |tcx| "unsafety-checking the const argument `{}`",
+ tcx.def_path_str(key.0.to_def_id())
}
+ }
- query check_mod_unstable_api_usage(key: LocalDefId) -> () {
- desc { |tcx| "checking for unstable API usage in {}", describe_as_module(key, tcx) }
- }
+ /// HACK: when evaluated, this reports a "unsafe derive on repr(packed)" error.
+ ///
+ /// Unsafety checking is executed for each method separately, but we only want
+ /// to emit this error once per derive. As there are some impls with multiple
+ /// methods, we use a query for deduplication.
+ query unsafe_derive_on_repr_packed(key: LocalDefId) -> () {
+ desc { |tcx| "processing `{}`", tcx.def_path_str(key.to_def_id()) }
+ }
- /// Checks the const bodies in the module for illegal operations (e.g. `if` or `loop`).
- query check_mod_const_bodies(key: LocalDefId) -> () {
- desc { |tcx| "checking consts in {}", describe_as_module(key, tcx) }
- }
+ /// The signature of functions.
+ query fn_sig(key: DefId) -> ty::PolyFnSig<'tcx> {
+ desc { |tcx| "computing function signature of `{}`", tcx.def_path_str(key) }
+ }
- /// Checks the loops in the module.
- query check_mod_loops(key: LocalDefId) -> () {
- desc { |tcx| "checking loops in {}", describe_as_module(key, tcx) }
- }
+ query lint_mod(key: LocalDefId) -> () {
+ desc { |tcx| "linting {}", describe_as_module(key, tcx) }
+ }
- query check_mod_naked_functions(key: LocalDefId) -> () {
- desc { |tcx| "checking naked functions in {}", describe_as_module(key, tcx) }
- }
+ /// Checks the attributes in the module.
+ query check_mod_attrs(key: LocalDefId) -> () {
+ desc { |tcx| "checking attributes in {}", describe_as_module(key, tcx) }
+ }
- query check_mod_item_types(key: LocalDefId) -> () {
- desc { |tcx| "checking item types in {}", describe_as_module(key, tcx) }
- }
+ query check_mod_unstable_api_usage(key: LocalDefId) -> () {
+ desc { |tcx| "checking for unstable API usage in {}", describe_as_module(key, tcx) }
+ }
- query check_mod_privacy(key: LocalDefId) -> () {
- desc { |tcx| "checking privacy in {}", describe_as_module(key, tcx) }
- }
+ /// Checks the const bodies in the module for illegal operations (e.g. `if` or `loop`).
+ query check_mod_const_bodies(key: LocalDefId) -> () {
+ desc { |tcx| "checking consts in {}", describe_as_module(key, tcx) }
+ }
- query check_mod_intrinsics(key: LocalDefId) -> () {
- desc { |tcx| "checking intrinsics in {}", describe_as_module(key, tcx) }
- }
+ /// Checks the loops in the module.
+ query check_mod_loops(key: LocalDefId) -> () {
+ desc { |tcx| "checking loops in {}", describe_as_module(key, tcx) }
+ }
- query check_mod_liveness(key: LocalDefId) -> () {
- desc { |tcx| "checking liveness of variables in {}", describe_as_module(key, tcx) }
- }
+ query check_mod_naked_functions(key: LocalDefId) -> () {
+ desc { |tcx| "checking naked functions in {}", describe_as_module(key, tcx) }
+ }
- query check_mod_impl_wf(key: LocalDefId) -> () {
- desc { |tcx| "checking that impls are well-formed in {}", describe_as_module(key, tcx) }
- }
+ query check_mod_item_types(key: LocalDefId) -> () {
+ desc { |tcx| "checking item types in {}", describe_as_module(key, tcx) }
+ }
- query collect_mod_item_types(key: LocalDefId) -> () {
- desc { |tcx| "collecting item types in {}", describe_as_module(key, tcx) }
- }
+ query check_mod_privacy(key: LocalDefId) -> () {
+ desc { |tcx| "checking privacy in {}", describe_as_module(key, tcx) }
+ }
- /// Caches `CoerceUnsized` kinds for impls on custom types.
- query coerce_unsized_info(key: DefId)
- -> ty::adjustment::CoerceUnsizedInfo {
- desc { |tcx| "computing CoerceUnsized info for `{}`", tcx.def_path_str(key) }
- }
-
- query typeck_item_bodies(_: CrateNum) -> () {
- desc { "type-checking all item bodies" }
- }
+ query check_mod_intrinsics(key: LocalDefId) -> () {
+ desc { |tcx| "checking intrinsics in {}", describe_as_module(key, tcx) }
+ }
- query typeck(key: LocalDefId) -> &'tcx ty::TypeckResults<'tcx> {
- desc { |tcx| "type-checking `{}`", tcx.def_path_str(key.to_def_id()) }
- cache_on_disk_if { true }
- }
- query typeck_const_arg(
- key: (LocalDefId, DefId)
- ) -> &'tcx ty::TypeckResults<'tcx> {
- desc {
- |tcx| "type-checking the const argument `{}`",
- tcx.def_path_str(key.0.to_def_id()),
- }
- }
- query diagnostic_only_typeck(key: LocalDefId) -> &'tcx ty::TypeckResults<'tcx> {
- desc { |tcx| "type-checking `{}`", tcx.def_path_str(key.to_def_id()) }
- cache_on_disk_if { true }
- load_cached(tcx, id) {
- let typeck_results: Option<ty::TypeckResults<'tcx>> = tcx
- .queries.on_disk_cache.as_ref()
- .and_then(|c| c.try_load_query_result(tcx, id));
-
- typeck_results.map(|x| &*tcx.arena.alloc(x))
- }
- }
-
- query used_trait_imports(key: LocalDefId) -> &'tcx FxHashSet<LocalDefId> {
- desc { |tcx| "used_trait_imports `{}`", tcx.def_path_str(key.to_def_id()) }
- cache_on_disk_if { true }
- }
-
- query has_typeck_results(def_id: DefId) -> bool {
- desc { |tcx| "checking whether `{}` has a body", tcx.def_path_str(def_id) }
- }
+ query check_mod_liveness(key: LocalDefId) -> () {
+ desc { |tcx| "checking liveness of variables in {}", describe_as_module(key, tcx) }
+ }
- query coherent_trait(def_id: DefId) -> () {
- desc { |tcx| "coherence checking all impls of trait `{}`", tcx.def_path_str(def_id) }
- }
-
- /// Borrow-checks the function body. If this is a closure, returns
- /// additional requirements that the closure's creator must verify.
- query mir_borrowck(key: LocalDefId) -> &'tcx mir::BorrowCheckResult<'tcx> {
- desc { |tcx| "borrow-checking `{}`", tcx.def_path_str(key.to_def_id()) }
- cache_on_disk_if(tcx, opt_result) {
- tcx.is_closure(key.to_def_id())
- || opt_result.map_or(false, |r| !r.concrete_opaque_types.is_empty())
- }
- }
- query mir_borrowck_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::BorrowCheckResult<'tcx> {
- desc {
- |tcx| "borrow-checking the const argument`{}`",
- tcx.def_path_str(key.0.to_def_id())
- }
- }
-
- /// Gets a complete map from all types to their inherent impls.
- /// Not meant to be used directly outside of coherence.
- /// (Defined only for `LOCAL_CRATE`.)
- query crate_inherent_impls(k: CrateNum)
- -> CrateInherentImpls {
- storage(ArenaCacheSelector<'tcx>)
- eval_always
- desc { "all inherent impls defined in crate `{:?}`", k }
- }
+ query check_mod_impl_wf(key: LocalDefId) -> () {
+ desc { |tcx| "checking that impls are well-formed in {}", describe_as_module(key, tcx) }
+ }
- /// Checks all types in the crate for overlap in their inherent impls. Reports errors.
- /// Not meant to be used directly outside of coherence.
- /// (Defined only for `LOCAL_CRATE`.)
- query crate_inherent_impls_overlap_check(_: CrateNum)
- -> () {
- eval_always
- desc { "check for overlap between inherent impls defined in this crate" }
- }
-
- /// Check whether the function has any recursion that could cause the inliner to trigger
- /// a cycle. Returns the call stack causing the cycle. The call stack does not contain the
- /// current function, just all intermediate functions.
- query mir_callgraph_reachable(key: (ty::Instance<'tcx>, LocalDefId)) -> bool {
- fatal_cycle
- desc { |tcx|
- "computing if `{}` (transitively) calls `{}`",
- key.0,
- tcx.def_path_str(key.1.to_def_id()),
- }
- }
+ query collect_mod_item_types(key: LocalDefId) -> () {
+ desc { |tcx| "collecting item types in {}", describe_as_module(key, tcx) }
+ }
- /// Obtain all the calls into other local functions
- query mir_inliner_callees(key: ty::InstanceDef<'tcx>) -> &'tcx [(DefId, SubstsRef<'tcx>)] {
- fatal_cycle
- desc { |tcx|
- "computing all local function calls in `{}`",
- tcx.def_path_str(key.def_id()),
- }
+ /// Caches `CoerceUnsized` kinds for impls on custom types.
+ query coerce_unsized_info(key: DefId)
+ -> ty::adjustment::CoerceUnsizedInfo {
+ desc { |tcx| "computing CoerceUnsized info for `{}`", tcx.def_path_str(key) }
}
- /// Evaluates a constant and returns the computed allocation.
- ///
- /// **Do not use this** directly, use the `tcx.eval_static_initializer` wrapper.
- query eval_to_allocation_raw(key: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
- -> EvalToAllocationRawResult<'tcx> {
- desc { |tcx|
- "const-evaluating + checking `{}`",
- key.value.display(tcx)
- }
- cache_on_disk_if { true }
- }
+ query typeck_item_bodies(_: CrateNum) -> () {
+ desc { "type-checking all item bodies" }
+ }
- /// Evaluates const items or anonymous constants
- /// (such as enum variant explicit discriminants or array lengths)
- /// into a representation suitable for the type system and const generics.
- ///
- /// **Do not use this** directly, use one of the following wrappers: `tcx.const_eval_poly`,
- /// `tcx.const_eval_resolve`, `tcx.const_eval_instance`, or `tcx.const_eval_global_id`.
- query eval_to_const_value_raw(key: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
- -> EvalToConstValueResult<'tcx> {
- desc { |tcx|
- "simplifying constant for the type system `{}`",
- key.value.display(tcx)
- }
- cache_on_disk_if { true }
+ query typeck(key: LocalDefId) -> &'tcx ty::TypeckResults<'tcx> {
+ desc { |tcx| "type-checking `{}`", tcx.def_path_str(key.to_def_id()) }
+ cache_on_disk_if { true }
+ }
+ query typeck_const_arg(
+ key: (LocalDefId, DefId)
+ ) -> &'tcx ty::TypeckResults<'tcx> {
+ desc {
+ |tcx| "type-checking the const argument `{}`",
+ tcx.def_path_str(key.0.to_def_id()),
}
+ }
+ query diagnostic_only_typeck(key: LocalDefId) -> &'tcx ty::TypeckResults<'tcx> {
+ desc { |tcx| "type-checking `{}`", tcx.def_path_str(key.to_def_id()) }
+ cache_on_disk_if { true }
+ load_cached(tcx, id) {
+ let typeck_results: Option<ty::TypeckResults<'tcx>> = tcx
+ .queries.on_disk_cache.as_ref()
+ .and_then(|c| c.try_load_query_result(tcx, id));
- /// Destructure a constant ADT or array into its variant index and its
- /// field values.
- query destructure_const(
- key: ty::ParamEnvAnd<'tcx, &'tcx ty::Const<'tcx>>
- ) -> mir::DestructuredConst<'tcx> {
- desc { "destructure constant" }
+ typeck_results.map(|x| &*tcx.arena.alloc(x))
}
+ }
- /// Dereference a constant reference or raw pointer and turn the result into a constant
- /// again.
- query deref_const(
- key: ty::ParamEnvAnd<'tcx, &'tcx ty::Const<'tcx>>
- ) -> &'tcx ty::Const<'tcx> {
- desc { "deref constant" }
- }
+ query used_trait_imports(key: LocalDefId) -> &'tcx FxHashSet<LocalDefId> {
+ desc { |tcx| "used_trait_imports `{}`", tcx.def_path_str(key.to_def_id()) }
+ cache_on_disk_if { true }
+ }
- query const_caller_location(key: (rustc_span::Symbol, u32, u32)) -> ConstValue<'tcx> {
- desc { "get a &core::panic::Location referring to a span" }
- }
+ query has_typeck_results(def_id: DefId) -> bool {
+ desc { |tcx| "checking whether `{}` has a body", tcx.def_path_str(def_id) }
+ }
- query lit_to_const(
- key: LitToConstInput<'tcx>
- ) -> Result<&'tcx ty::Const<'tcx>, LitToConstError> {
- desc { "converting literal to const" }
- }
-
- query check_match(key: DefId) {
- desc { |tcx| "match-checking `{}`", tcx.def_path_str(key) }
- cache_on_disk_if { key.is_local() }
- }
+ query coherent_trait(def_id: DefId) -> () {
+ desc { |tcx| "coherence checking all impls of trait `{}`", tcx.def_path_str(def_id) }
+ }
- /// Performs part of the privacy check and computes "access levels".
- query privacy_access_levels(_: CrateNum) -> &'tcx AccessLevels {
- eval_always
- desc { "privacy access levels" }
+ /// Borrow-checks the function body. If this is a closure, returns
+ /// additional requirements that the closure's creator must verify.
+ query mir_borrowck(key: LocalDefId) -> &'tcx mir::BorrowCheckResult<'tcx> {
+ desc { |tcx| "borrow-checking `{}`", tcx.def_path_str(key.to_def_id()) }
+ cache_on_disk_if(tcx, opt_result) {
+ tcx.is_closure(key.to_def_id())
+ || opt_result.map_or(false, |r| !r.concrete_opaque_types.is_empty())
}
- query check_private_in_public(_: CrateNum) -> () {
- eval_always
- desc { "checking for private elements in public interfaces" }
- }
-
- query reachable_set(_: CrateNum) -> FxHashSet<LocalDefId> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "reachability" }
+ }
+ query mir_borrowck_const_arg(key: (LocalDefId, DefId)) -> &'tcx mir::BorrowCheckResult<'tcx> {
+ desc {
+ |tcx| "borrow-checking the const argument`{}`",
+ tcx.def_path_str(key.0.to_def_id())
}
+ }
- /// Per-body `region::ScopeTree`. The `DefId` should be the owner `DefId` for the body;
- /// in the case of closures, this will be redirected to the enclosing function.
- query region_scope_tree(def_id: DefId) -> &'tcx region::ScopeTree {
- desc { |tcx| "computing drop scopes for `{}`", tcx.def_path_str(def_id) }
- }
+ /// Gets a complete map from all types to their inherent impls.
+ /// Not meant to be used directly outside of coherence.
+ /// (Defined only for `LOCAL_CRATE`.)
+ query crate_inherent_impls(k: CrateNum)
+ -> CrateInherentImpls {
+ storage(ArenaCacheSelector<'tcx>)
+ eval_always
+ desc { "all inherent impls defined in crate `{:?}`", k }
+ }
- query mir_shims(key: ty::InstanceDef<'tcx>) -> mir::Body<'tcx> {
- storage(ArenaCacheSelector<'tcx>)
- desc { |tcx| "generating MIR shim for `{}`", tcx.def_path_str(key.def_id()) }
- }
+ /// Checks all types in the crate for overlap in their inherent impls. Reports errors.
+ /// Not meant to be used directly outside of coherence.
+ /// (Defined only for `LOCAL_CRATE`.)
+ query crate_inherent_impls_overlap_check(_: CrateNum)
+ -> () {
+ eval_always
+ desc { "check for overlap between inherent impls defined in this crate" }
+ }
- /// The `symbol_name` query provides the symbol name for calling a
- /// given instance from the local crate. In particular, it will also
- /// look up the correct symbol name of instances from upstream crates.
- query symbol_name(key: ty::Instance<'tcx>) -> ty::SymbolName<'tcx> {
- desc { "computing the symbol for `{}`", key }
- cache_on_disk_if { true }
+ /// Check whether the function has any recursion that could cause the inliner to trigger
+ /// a cycle. Returns the call stack causing the cycle. The call stack does not contain the
+ /// current function, just all intermediate functions.
+ query mir_callgraph_reachable(key: (ty::Instance<'tcx>, LocalDefId)) -> bool {
+ fatal_cycle
+ desc { |tcx|
+ "computing if `{}` (transitively) calls `{}`",
+ key.0,
+ tcx.def_path_str(key.1.to_def_id()),
}
+ }
- query opt_def_kind(def_id: DefId) -> Option<DefKind> {
- desc { |tcx| "looking up definition kind of `{}`", tcx.def_path_str(def_id) }
+ /// Obtain all the calls into other local functions
+ query mir_inliner_callees(key: ty::InstanceDef<'tcx>) -> &'tcx [(DefId, SubstsRef<'tcx>)] {
+ fatal_cycle
+ desc { |tcx|
+ "computing all local function calls in `{}`",
+ tcx.def_path_str(key.def_id()),
}
+ }
- query def_span(def_id: DefId) -> Span {
- desc { |tcx| "looking up span for `{}`", tcx.def_path_str(def_id) }
- // FIXME(mw): DefSpans are not really inputs since they are derived from
- // HIR. But at the moment HIR hashing still contains some hacks that allow
- // to make type debuginfo to be source location independent. Declaring
- // DefSpan an input makes sure that changes to these are always detected
- // regardless of HIR hashing.
- eval_always
+ /// Evaluates a constant and returns the computed allocation.
+ ///
+ /// **Do not use this** directly, use the `tcx.eval_static_initializer` wrapper.
+ query eval_to_allocation_raw(key: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
+ -> EvalToAllocationRawResult<'tcx> {
+ desc { |tcx|
+ "const-evaluating + checking `{}`",
+ key.value.display(tcx)
}
+ cache_on_disk_if { true }
+ }
- query def_ident_span(def_id: DefId) -> Option<Span> {
- desc { |tcx| "looking up span for `{}`'s identifier", tcx.def_path_str(def_id) }
- }
+ /// Evaluates const items or anonymous constants
+ /// (such as enum variant explicit discriminants or array lengths)
+ /// into a representation suitable for the type system and const generics.
+ ///
+ /// **Do not use this** directly, use one of the following wrappers: `tcx.const_eval_poly`,
+ /// `tcx.const_eval_resolve`, `tcx.const_eval_instance`, or `tcx.const_eval_global_id`.
+ query eval_to_const_value_raw(key: ty::ParamEnvAnd<'tcx, GlobalId<'tcx>>)
+ -> EvalToConstValueResult<'tcx> {
+ desc { |tcx|
+ "simplifying constant for the type system `{}`",
+ key.value.display(tcx)
+ }
+ cache_on_disk_if { true }
+ }
- query lookup_stability(def_id: DefId) -> Option<&'tcx attr::Stability> {
- desc { |tcx| "looking up stability of `{}`", tcx.def_path_str(def_id) }
- }
+ /// Destructure a constant ADT or array into its variant index and its
+ /// field values.
+ query destructure_const(
+ key: ty::ParamEnvAnd<'tcx, &'tcx ty::Const<'tcx>>
+ ) -> mir::DestructuredConst<'tcx> {
+ desc { "destructure constant" }
+ }
- query lookup_const_stability(def_id: DefId) -> Option<&'tcx attr::ConstStability> {
- desc { |tcx| "looking up const stability of `{}`", tcx.def_path_str(def_id) }
- }
+ /// Dereference a constant reference or raw pointer and turn the result into a constant
+ /// again.
+ query deref_const(
+ key: ty::ParamEnvAnd<'tcx, &'tcx ty::Const<'tcx>>
+ ) -> &'tcx ty::Const<'tcx> {
+ desc { "deref constant" }
+ }
- query lookup_deprecation_entry(def_id: DefId) -> Option<DeprecationEntry> {
- desc { |tcx| "checking whether `{}` is deprecated", tcx.def_path_str(def_id) }
- }
+ query const_caller_location(key: (rustc_span::Symbol, u32, u32)) -> ConstValue<'tcx> {
+ desc { "get a &core::panic::Location referring to a span" }
+ }
- query item_attrs(def_id: DefId) -> &'tcx [ast::Attribute] {
- desc { |tcx| "collecting attributes of `{}`", tcx.def_path_str(def_id) }
- }
-
- query codegen_fn_attrs(def_id: DefId) -> CodegenFnAttrs {
- desc { |tcx| "computing codegen attributes of `{}`", tcx.def_path_str(def_id) }
- storage(ArenaCacheSelector<'tcx>)
- cache_on_disk_if { true }
- }
+ query lit_to_const(
+ key: LitToConstInput<'tcx>
+ ) -> Result<&'tcx ty::Const<'tcx>, LitToConstError> {
+ desc { "converting literal to const" }
+ }
- query fn_arg_names(def_id: DefId) -> &'tcx [rustc_span::symbol::Ident] {
- desc { |tcx| "looking up function parameter names for `{}`", tcx.def_path_str(def_id) }
- }
- /// Gets the rendered value of the specified constant or associated constant.
- /// Used by rustdoc.
- query rendered_const(def_id: DefId) -> String {
- desc { |tcx| "rendering constant intializer of `{}`", tcx.def_path_str(def_id) }
- }
- query impl_parent(def_id: DefId) -> Option<DefId> {
- desc { |tcx| "computing specialization parent impl of `{}`", tcx.def_path_str(def_id) }
- }
+ query check_match(key: DefId) {
+ desc { |tcx| "match-checking `{}`", tcx.def_path_str(key) }
+ cache_on_disk_if { key.is_local() }
+ }
- /// Given an `associated_item`, find the trait it belongs to.
- /// Return `None` if the `DefId` is not an associated item.
- query trait_of_item(associated_item: DefId) -> Option<DefId> {
- desc { |tcx| "finding trait defining `{}`", tcx.def_path_str(associated_item) }
- }
+ /// Performs part of the privacy check and computes "access levels".
+ query privacy_access_levels(_: CrateNum) -> &'tcx AccessLevels {
+ eval_always
+ desc { "privacy access levels" }
+ }
+ query check_private_in_public(_: CrateNum) -> () {
+ eval_always
+ desc { "checking for private elements in public interfaces" }
+ }
- query is_ctfe_mir_available(key: DefId) -> bool {
- desc { |tcx| "checking if item has ctfe mir available: `{}`", tcx.def_path_str(key) }
- }
- query is_mir_available(key: DefId) -> bool {
- desc { |tcx| "checking if item has mir available: `{}`", tcx.def_path_str(key) }
- }
+ query reachable_set(_: CrateNum) -> FxHashSet<LocalDefId> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "reachability" }
+ }
- query vtable_methods(key: ty::PolyTraitRef<'tcx>)
- -> &'tcx [Option<(DefId, SubstsRef<'tcx>)>] {
- desc { |tcx| "finding all methods for trait {}", tcx.def_path_str(key.def_id()) }
- }
+ /// Per-body `region::ScopeTree`. The `DefId` should be the owner `DefId` for the body;
+ /// in the case of closures, this will be redirected to the enclosing function.
+ query region_scope_tree(def_id: DefId) -> &'tcx region::ScopeTree {
+ desc { |tcx| "computing drop scopes for `{}`", tcx.def_path_str(def_id) }
+ }
- query codegen_fulfill_obligation(
- key: (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>)
- ) -> Result<ImplSource<'tcx, ()>, ErrorReported> {
- cache_on_disk_if { true }
- desc { |tcx|
- "checking if `{}` fulfills its obligations",
- tcx.def_path_str(key.1.def_id())
- }
- }
+ query mir_shims(key: ty::InstanceDef<'tcx>) -> mir::Body<'tcx> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { |tcx| "generating MIR shim for `{}`", tcx.def_path_str(key.def_id()) }
+ }
- /// Return all `impl` blocks in the current crate.
- ///
- /// To allow caching this between crates, you must pass in [`LOCAL_CRATE`] as the crate number.
- /// Passing in any other crate will cause an ICE.
- ///
- /// [`LOCAL_CRATE`]: rustc_hir::def_id::LOCAL_CRATE
- query all_local_trait_impls(local_crate: CrateNum) -> &'tcx BTreeMap<DefId, Vec<hir::HirId>> {
- desc { "local trait impls" }
- }
+ /// The `symbol_name` query provides the symbol name for calling a
+ /// given instance from the local crate. In particular, it will also
+ /// look up the correct symbol name of instances from upstream crates.
+ query symbol_name(key: ty::Instance<'tcx>) -> ty::SymbolName<'tcx> {
+ desc { "computing the symbol for `{}`", key }
+ cache_on_disk_if { true }
+ }
- /// Given a trait `trait_id`, return all known `impl` blocks.
- query trait_impls_of(trait_id: DefId) -> ty::trait_def::TraitImpls {
- storage(ArenaCacheSelector<'tcx>)
- desc { |tcx| "trait impls of `{}`", tcx.def_path_str(trait_id) }
- }
+ query opt_def_kind(def_id: DefId) -> Option<DefKind> {
+ desc { |tcx| "looking up definition kind of `{}`", tcx.def_path_str(def_id) }
+ }
- query specialization_graph_of(trait_id: DefId) -> specialization_graph::Graph {
- storage(ArenaCacheSelector<'tcx>)
- desc { |tcx| "building specialization graph of trait `{}`", tcx.def_path_str(trait_id) }
- cache_on_disk_if { true }
- }
- query object_safety_violations(trait_id: DefId) -> &'tcx [traits::ObjectSafetyViolation] {
- desc { |tcx| "determine object safety of trait `{}`", tcx.def_path_str(trait_id) }
- }
+ query def_span(def_id: DefId) -> Span {
+ desc { |tcx| "looking up span for `{}`", tcx.def_path_str(def_id) }
+ // FIXME(mw): DefSpans are not really inputs since they are derived from
+ // HIR. But at the moment HIR hashing still contains some hacks that allow
+ // to make type debuginfo to be source location independent. Declaring
+ // DefSpan an input makes sure that changes to these are always detected
+ // regardless of HIR hashing.
+ eval_always
+ }
- /// Gets the ParameterEnvironment for a given item; this environment
- /// will be in "user-facing" mode, meaning that it is suitable for
- /// type-checking etc, and it does not normalize specializable
- /// associated types. This is almost always what you want,
- /// unless you are doing MIR optimizations, in which case you
- /// might want to use `reveal_all()` method to change modes.
- query param_env(def_id: DefId) -> ty::ParamEnv<'tcx> {
- desc { |tcx| "computing normalized predicates of `{}`", tcx.def_path_str(def_id) }
- }
+ query def_ident_span(def_id: DefId) -> Option<Span> {
+ desc { |tcx| "looking up span for `{}`'s identifier", tcx.def_path_str(def_id) }
+ }
- /// Like `param_env`, but returns the `ParamEnv in `Reveal::All` mode.
- /// Prefer this over `tcx.param_env(def_id).with_reveal_all_normalized(tcx)`,
- /// as this method is more efficient.
- query param_env_reveal_all_normalized(def_id: DefId) -> ty::ParamEnv<'tcx> {
- desc { |tcx| "computing revealed normalized predicates of `{}`", tcx.def_path_str(def_id) }
- }
+ query lookup_stability(def_id: DefId) -> Option<&'tcx attr::Stability> {
+ desc { |tcx| "looking up stability of `{}`", tcx.def_path_str(def_id) }
+ }
- /// Trait selection queries. These are best used by invoking `ty.is_copy_modulo_regions()`,
- /// `ty.is_copy()`, etc, since that will prune the environment where possible.
- query is_copy_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
- desc { "computing whether `{}` is `Copy`", env.value }
- }
- /// Query backing `TyS::is_sized`.
- query is_sized_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
- desc { "computing whether `{}` is `Sized`", env.value }
- }
- /// Query backing `TyS::is_freeze`.
- query is_freeze_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
- desc { "computing whether `{}` is freeze", env.value }
- }
- /// Query backing `TyS::needs_drop`.
- query needs_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
- desc { "computing whether `{}` needs drop", env.value }
- }
+ query lookup_const_stability(def_id: DefId) -> Option<&'tcx attr::ConstStability> {
+ desc { |tcx| "looking up const stability of `{}`", tcx.def_path_str(def_id) }
+ }
- /// Query backing `TyS::is_structural_eq_shallow`.
- ///
- /// This is only correct for ADTs. Call `is_structural_eq_shallow` to handle all types
- /// correctly.
- query has_structural_eq_impls(ty: Ty<'tcx>) -> bool {
- desc {
- "computing whether `{:?}` implements `PartialStructuralEq` and `StructuralEq`",
- ty
- }
- }
+ query lookup_deprecation_entry(def_id: DefId) -> Option<DeprecationEntry> {
+ desc { |tcx| "checking whether `{}` is deprecated", tcx.def_path_str(def_id) }
+ }
- /// A list of types where the ADT requires drop if and only if any of
- /// those types require drop. If the ADT is known to always need drop
- /// then `Err(AlwaysRequiresDrop)` is returned.
- query adt_drop_tys(def_id: DefId) -> Result<&'tcx ty::List<Ty<'tcx>>, AlwaysRequiresDrop> {
- desc { |tcx| "computing when `{}` needs drop", tcx.def_path_str(def_id) }
- cache_on_disk_if { true }
- }
+ query item_attrs(def_id: DefId) -> &'tcx [ast::Attribute] {
+ desc { |tcx| "collecting attributes of `{}`", tcx.def_path_str(def_id) }
+ }
- query layout_raw(
- env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>
- ) -> Result<&'tcx rustc_target::abi::Layout, ty::layout::LayoutError<'tcx>> {
- desc { "computing layout of `{}`", env.value }
- }
+ query codegen_fn_attrs(def_id: DefId) -> CodegenFnAttrs {
+ desc { |tcx| "computing codegen attributes of `{}`", tcx.def_path_str(def_id) }
+ storage(ArenaCacheSelector<'tcx>)
+ cache_on_disk_if { true }
+ }
- query dylib_dependency_formats(_: CrateNum)
- -> &'tcx [(CrateNum, LinkagePreference)] {
- desc { "dylib dependency formats of crate" }
- }
+ query fn_arg_names(def_id: DefId) -> &'tcx [rustc_span::symbol::Ident] {
+ desc { |tcx| "looking up function parameter names for `{}`", tcx.def_path_str(def_id) }
+ }
+ /// Gets the rendered value of the specified constant or associated constant.
+ /// Used by rustdoc.
+ query rendered_const(def_id: DefId) -> String {
+ desc { |tcx| "rendering constant intializer of `{}`", tcx.def_path_str(def_id) }
+ }
+ query impl_parent(def_id: DefId) -> Option<DefId> {
+ desc { |tcx| "computing specialization parent impl of `{}`", tcx.def_path_str(def_id) }
+ }
- query dependency_formats(_: CrateNum)
- -> Lrc<crate::middle::dependency_format::Dependencies>
- {
- desc { "get the linkage format of all dependencies" }
- }
+ /// Given an `associated_item`, find the trait it belongs to.
+ /// Return `None` if the `DefId` is not an associated item.
+ query trait_of_item(associated_item: DefId) -> Option<DefId> {
+ desc { |tcx| "finding trait defining `{}`", tcx.def_path_str(associated_item) }
+ }
- query is_compiler_builtins(_: CrateNum) -> bool {
- fatal_cycle
- desc { "checking if the crate is_compiler_builtins" }
- }
- query has_global_allocator(_: CrateNum) -> bool {
- fatal_cycle
- desc { "checking if the crate has_global_allocator" }
- }
- query has_panic_handler(_: CrateNum) -> bool {
- fatal_cycle
- desc { "checking if the crate has_panic_handler" }
- }
- query is_profiler_runtime(_: CrateNum) -> bool {
- fatal_cycle
- desc { "query a crate is `#![profiler_runtime]`" }
- }
- query panic_strategy(_: CrateNum) -> PanicStrategy {
- fatal_cycle
- desc { "query a crate's configured panic strategy" }
- }
- query is_no_builtins(_: CrateNum) -> bool {
- fatal_cycle
- desc { "test whether a crate has `#![no_builtins]`" }
- }
- query symbol_mangling_version(_: CrateNum) -> SymbolManglingVersion {
- fatal_cycle
- desc { "query a crate's symbol mangling version" }
- }
+ query is_ctfe_mir_available(key: DefId) -> bool {
+ desc { |tcx| "checking if item has ctfe mir available: `{}`", tcx.def_path_str(key) }
+ }
+ query is_mir_available(key: DefId) -> bool {
+ desc { |tcx| "checking if item has mir available: `{}`", tcx.def_path_str(key) }
+ }
- query extern_crate(def_id: DefId) -> Option<&'tcx ExternCrate> {
- eval_always
- desc { "getting crate's ExternCrateData" }
- }
+ query vtable_methods(key: ty::PolyTraitRef<'tcx>)
+ -> &'tcx [Option<(DefId, SubstsRef<'tcx>)>] {
+ desc { |tcx| "finding all methods for trait {}", tcx.def_path_str(key.def_id()) }
+ }
- query specializes(_: (DefId, DefId)) -> bool {
- desc { "computing whether impls specialize one another" }
- }
- query in_scope_traits_map(_: LocalDefId)
- -> Option<&'tcx FxHashMap<ItemLocalId, StableVec<TraitCandidate>>> {
- eval_always
- desc { "traits in scope at a block" }
+ query codegen_fulfill_obligation(
+ key: (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>)
+ ) -> Result<ImplSource<'tcx, ()>, ErrorReported> {
+ cache_on_disk_if { true }
+ desc { |tcx|
+ "checking if `{}` fulfills its obligations",
+ tcx.def_path_str(key.1.def_id())
}
+ }
- query module_exports(def_id: LocalDefId) -> Option<&'tcx [Export<LocalDefId>]> {
- desc { |tcx| "looking up items exported by `{}`", tcx.def_path_str(def_id.to_def_id()) }
- eval_always
- }
+ /// Return all `impl` blocks in the current crate.
+ ///
+ /// To allow caching this between crates, you must pass in [`LOCAL_CRATE`] as the crate number.
+ /// Passing in any other crate will cause an ICE.
+ ///
+ /// [`LOCAL_CRATE`]: rustc_hir::def_id::LOCAL_CRATE
+ query all_local_trait_impls(local_crate: CrateNum) -> &'tcx BTreeMap<DefId, Vec<hir::HirId>> {
+ desc { "local trait impls" }
+ }
- query impl_defaultness(def_id: DefId) -> hir::Defaultness {
- desc { |tcx| "looking up whether `{}` is a default impl", tcx.def_path_str(def_id) }
- }
+ /// Given a trait `trait_id`, return all known `impl` blocks.
+ query trait_impls_of(trait_id: DefId) -> ty::trait_def::TraitImpls {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { |tcx| "trait impls of `{}`", tcx.def_path_str(trait_id) }
+ }
- query check_item_well_formed(key: LocalDefId) -> () {
- desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) }
- }
- query check_trait_item_well_formed(key: LocalDefId) -> () {
- desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) }
- }
- query check_impl_item_well_formed(key: LocalDefId) -> () {
- desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) }
- }
+ query specialization_graph_of(trait_id: DefId) -> specialization_graph::Graph {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { |tcx| "building specialization graph of trait `{}`", tcx.def_path_str(trait_id) }
+ cache_on_disk_if { true }
+ }
+ query object_safety_violations(trait_id: DefId) -> &'tcx [traits::ObjectSafetyViolation] {
+ desc { |tcx| "determine object safety of trait `{}`", tcx.def_path_str(trait_id) }
+ }
+
+ /// Gets the ParameterEnvironment for a given item; this environment
+ /// will be in "user-facing" mode, meaning that it is suitable for
+ /// type-checking etc, and it does not normalize specializable
+ /// associated types. This is almost always what you want,
+ /// unless you are doing MIR optimizations, in which case you
+ /// might want to use `reveal_all()` method to change modes.
+ query param_env(def_id: DefId) -> ty::ParamEnv<'tcx> {
+ desc { |tcx| "computing normalized predicates of `{}`", tcx.def_path_str(def_id) }
+ }
- // The `DefId`s of all non-generic functions and statics in the given crate
- // that can be reached from outside the crate.
- //
- // We expect this items to be available for being linked to.
- //
- // This query can also be called for `LOCAL_CRATE`. In this case it will
- // compute which items will be reachable to other crates, taking into account
- // the kind of crate that is currently compiled. Crates with only a
- // C interface have fewer reachable things.
- //
- // Does not include external symbols that don't have a corresponding DefId,
- // like the compiler-generated `main` function and so on.
- query reachable_non_generics(_: CrateNum)
- -> DefIdMap<SymbolExportLevel> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "looking up the exported symbols of a crate" }
+ /// Like `param_env`, but returns the `ParamEnv in `Reveal::All` mode.
+ /// Prefer this over `tcx.param_env(def_id).with_reveal_all_normalized(tcx)`,
+ /// as this method is more efficient.
+ query param_env_reveal_all_normalized(def_id: DefId) -> ty::ParamEnv<'tcx> {
+ desc { |tcx| "computing revealed normalized predicates of `{}`", tcx.def_path_str(def_id) }
+ }
+
+ /// Trait selection queries. These are best used by invoking `ty.is_copy_modulo_regions()`,
+ /// `ty.is_copy()`, etc, since that will prune the environment where possible.
+ query is_copy_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
+ desc { "computing whether `{}` is `Copy`", env.value }
+ }
+ /// Query backing `TyS::is_sized`.
+ query is_sized_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
+ desc { "computing whether `{}` is `Sized`", env.value }
+ }
+ /// Query backing `TyS::is_freeze`.
+ query is_freeze_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
+ desc { "computing whether `{}` is freeze", env.value }
+ }
+ /// Query backing `TyS::needs_drop`.
+ query needs_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool {
+ desc { "computing whether `{}` needs drop", env.value }
+ }
+
+ /// Query backing `TyS::is_structural_eq_shallow`.
+ ///
+ /// This is only correct for ADTs. Call `is_structural_eq_shallow` to handle all types
+ /// correctly.
+ query has_structural_eq_impls(ty: Ty<'tcx>) -> bool {
+ desc {
+ "computing whether `{:?}` implements `PartialStructuralEq` and `StructuralEq`",
+ ty
}
- query is_reachable_non_generic(def_id: DefId) -> bool {
- desc { |tcx| "checking whether `{}` is an exported symbol", tcx.def_path_str(def_id) }
+ }
+
+ /// A list of types where the ADT requires drop if and only if any of
+ /// those types require drop. If the ADT is known to always need drop
+ /// then `Err(AlwaysRequiresDrop)` is returned.
+ query adt_drop_tys(def_id: DefId) -> Result<&'tcx ty::List<Ty<'tcx>>, AlwaysRequiresDrop> {
+ desc { |tcx| "computing when `{}` needs drop", tcx.def_path_str(def_id) }
+ cache_on_disk_if { true }
+ }
+
+ query layout_raw(
+ env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>
+ ) -> Result<&'tcx rustc_target::abi::Layout, ty::layout::LayoutError<'tcx>> {
+ desc { "computing layout of `{}`", env.value }
+ }
+
+ query dylib_dependency_formats(_: CrateNum)
+ -> &'tcx [(CrateNum, LinkagePreference)] {
+ desc { "dylib dependency formats of crate" }
+ }
+
+ query dependency_formats(_: CrateNum)
+ -> Lrc<crate::middle::dependency_format::Dependencies>
+ {
+ desc { "get the linkage format of all dependencies" }
+ }
+
+ query is_compiler_builtins(_: CrateNum) -> bool {
+ fatal_cycle
+ desc { "checking if the crate is_compiler_builtins" }
+ }
+ query has_global_allocator(_: CrateNum) -> bool {
+ fatal_cycle
+ desc { "checking if the crate has_global_allocator" }
+ }
+ query has_panic_handler(_: CrateNum) -> bool {
+ fatal_cycle
+ desc { "checking if the crate has_panic_handler" }
+ }
+ query is_profiler_runtime(_: CrateNum) -> bool {
+ fatal_cycle
+ desc { "query a crate is `#![profiler_runtime]`" }
+ }
+ query panic_strategy(_: CrateNum) -> PanicStrategy {
+ fatal_cycle
+ desc { "query a crate's configured panic strategy" }
+ }
+ query is_no_builtins(_: CrateNum) -> bool {
+ fatal_cycle
+ desc { "test whether a crate has `#![no_builtins]`" }
+ }
+ query symbol_mangling_version(_: CrateNum) -> SymbolManglingVersion {
+ fatal_cycle
+ desc { "query a crate's symbol mangling version" }
+ }
+
+ query extern_crate(def_id: DefId) -> Option<&'tcx ExternCrate> {
+ eval_always
+ desc { "getting crate's ExternCrateData" }
+ }
+
+ query specializes(_: (DefId, DefId)) -> bool {
+ desc { "computing whether impls specialize one another" }
+ }
+ query in_scope_traits_map(_: LocalDefId)
+ -> Option<&'tcx FxHashMap<ItemLocalId, StableVec<TraitCandidate>>> {
+ eval_always
+ desc { "traits in scope at a block" }
+ }
+
+ query module_exports(def_id: LocalDefId) -> Option<&'tcx [Export<LocalDefId>]> {
+ desc { |tcx| "looking up items exported by `{}`", tcx.def_path_str(def_id.to_def_id()) }
+ eval_always
+ }
+
+ query impl_defaultness(def_id: DefId) -> hir::Defaultness {
+ desc { |tcx| "looking up whether `{}` is a default impl", tcx.def_path_str(def_id) }
+ }
+
+ query check_item_well_formed(key: LocalDefId) -> () {
+ desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) }
+ }
+ query check_trait_item_well_formed(key: LocalDefId) -> () {
+ desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) }
+ }
+ query check_impl_item_well_formed(key: LocalDefId) -> () {
+ desc { |tcx| "checking that `{}` is well-formed", tcx.def_path_str(key.to_def_id()) }
+ }
+
+ // The `DefId`s of all non-generic functions and statics in the given crate
+ // that can be reached from outside the crate.
+ //
+ // We expect this items to be available for being linked to.
+ //
+ // This query can also be called for `LOCAL_CRATE`. In this case it will
+ // compute which items will be reachable to other crates, taking into account
+ // the kind of crate that is currently compiled. Crates with only a
+ // C interface have fewer reachable things.
+ //
+ // Does not include external symbols that don't have a corresponding DefId,
+ // like the compiler-generated `main` function and so on.
+ query reachable_non_generics(_: CrateNum)
+ -> DefIdMap<SymbolExportLevel> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "looking up the exported symbols of a crate" }
+ }
+ query is_reachable_non_generic(def_id: DefId) -> bool {
+ desc { |tcx| "checking whether `{}` is an exported symbol", tcx.def_path_str(def_id) }
+ }
+ query is_unreachable_local_definition(def_id: DefId) -> bool {
+ desc { |tcx|
+ "checking whether `{}` is reachable from outside the crate",
+ tcx.def_path_str(def_id),
}
- query is_unreachable_local_definition(def_id: DefId) -> bool {
+ }
+
+ /// The entire set of monomorphizations the local crate can safely link
+ /// to because they are exported from upstream crates. Do not depend on
+ /// this directly, as its value changes anytime a monomorphization gets
+ /// added or removed in any upstream crate. Instead use the narrower
+ /// `upstream_monomorphizations_for`, `upstream_drop_glue_for`, or, even
+ /// better, `Instance::upstream_monomorphization()`.
+ query upstream_monomorphizations(
+ k: CrateNum
+ ) -> DefIdMap<FxHashMap<SubstsRef<'tcx>, CrateNum>> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "collecting available upstream monomorphizations `{:?}`", k }
+ }
+
+ /// Returns the set of upstream monomorphizations available for the
+ /// generic function identified by the given `def_id`. The query makes
+ /// sure to make a stable selection if the same monomorphization is
+ /// available in multiple upstream crates.
+ ///
+ /// You likely want to call `Instance::upstream_monomorphization()`
+ /// instead of invoking this query directly.
+ query upstream_monomorphizations_for(def_id: DefId)
+ -> Option<&'tcx FxHashMap<SubstsRef<'tcx>, CrateNum>> {
desc { |tcx|
- "checking whether `{}` is reachable from outside the crate",
+ "collecting available upstream monomorphizations for `{}`",
tcx.def_path_str(def_id),
}
}
- /// The entire set of monomorphizations the local crate can safely link
- /// to because they are exported from upstream crates. Do not depend on
- /// this directly, as its value changes anytime a monomorphization gets
- /// added or removed in any upstream crate. Instead use the narrower
- /// `upstream_monomorphizations_for`, `upstream_drop_glue_for`, or, even
- /// better, `Instance::upstream_monomorphization()`.
- query upstream_monomorphizations(
- k: CrateNum
- ) -> DefIdMap<FxHashMap<SubstsRef<'tcx>, CrateNum>> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "collecting available upstream monomorphizations `{:?}`", k }
- }
-
- /// Returns the set of upstream monomorphizations available for the
- /// generic function identified by the given `def_id`. The query makes
- /// sure to make a stable selection if the same monomorphization is
- /// available in multiple upstream crates.
- ///
- /// You likely want to call `Instance::upstream_monomorphization()`
- /// instead of invoking this query directly.
- query upstream_monomorphizations_for(def_id: DefId)
- -> Option<&'tcx FxHashMap<SubstsRef<'tcx>, CrateNum>> {
- desc { |tcx|
- "collecting available upstream monomorphizations for `{}`",
- tcx.def_path_str(def_id),
- }
- }
-
- /// Returns the upstream crate that exports drop-glue for the given
- /// type (`substs` is expected to be a single-item list containing the
- /// type one wants drop-glue for).
- ///
- /// This is a subset of `upstream_monomorphizations_for` in order to
- /// increase dep-tracking granularity. Otherwise adding or removing any
- /// type with drop-glue in any upstream crate would invalidate all
- /// functions calling drop-glue of an upstream type.
- ///
- /// You likely want to call `Instance::upstream_monomorphization()`
- /// instead of invoking this query directly.
- ///
- /// NOTE: This query could easily be extended to also support other
- /// common functions that have are large set of monomorphizations
- /// (like `Clone::clone` for example).
- query upstream_drop_glue_for(substs: SubstsRef<'tcx>) -> Option<CrateNum> {
- desc { "available upstream drop-glue for `{:?}`", substs }
- }
+ /// Returns the upstream crate that exports drop-glue for the given
+ /// type (`substs` is expected to be a single-item list containing the
+ /// type one wants drop-glue for).
+ ///
+ /// This is a subset of `upstream_monomorphizations_for` in order to
+ /// increase dep-tracking granularity. Otherwise adding or removing any
+ /// type with drop-glue in any upstream crate would invalidate all
+ /// functions calling drop-glue of an upstream type.
+ ///
+ /// You likely want to call `Instance::upstream_monomorphization()`
+ /// instead of invoking this query directly.
+ ///
+ /// NOTE: This query could easily be extended to also support other
+ /// common functions that have are large set of monomorphizations
+ /// (like `Clone::clone` for example).
+ query upstream_drop_glue_for(substs: SubstsRef<'tcx>) -> Option<CrateNum> {
+ desc { "available upstream drop-glue for `{:?}`", substs }
+ }
- query foreign_modules(_: CrateNum) -> Lrc<FxHashMap<DefId, ForeignModule>> {
- desc { "looking up the foreign modules of a linked crate" }
- }
+ query foreign_modules(_: CrateNum) -> Lrc<FxHashMap<DefId, ForeignModule>> {
+ desc { "looking up the foreign modules of a linked crate" }
+ }
- /// Identifies the entry-point (e.g., the `main` function) for a given
- /// crate, returning `None` if there is no entry point (such as for library crates).
- query entry_fn(_: CrateNum) -> Option<(LocalDefId, EntryFnType)> {
- desc { "looking up the entry function of a crate" }
- }
- query plugin_registrar_fn(_: CrateNum) -> Option<DefId> {
- desc { "looking up the plugin registrar for a crate" }
- }
- query proc_macro_decls_static(_: CrateNum) -> Option<DefId> {
- desc { "looking up the derive registrar for a crate" }
- }
- query crate_disambiguator(_: CrateNum) -> CrateDisambiguator {
- eval_always
- desc { "looking up the disambiguator a crate" }
- }
- // The macro which defines `rustc_metadata::provide_extern` depends on this query's name.
- // Changing the name should cause a compiler error, but in case that changes, be aware.
- query crate_hash(_: CrateNum) -> Svh {
- eval_always
- desc { "looking up the hash a crate" }
- }
- query crate_host_hash(_: CrateNum) -> Option<Svh> {
- eval_always
- desc { "looking up the hash of a host version of a crate" }
- }
- query original_crate_name(_: CrateNum) -> Symbol {
- eval_always
- desc { "looking up the original name a crate" }
- }
- query extra_filename(_: CrateNum) -> String {
- eval_always
- desc { "looking up the extra filename for a crate" }
- }
-
query crate_extern_paths(_: CrateNum) -> Vec<PathBuf> {
- eval_always
- desc { "looking up the paths for extern crates" }
- }
+ /// Identifies the entry-point (e.g., the `main` function) for a given
+ /// crate, returning `None` if there is no entry point (such as for library crates).
+ query entry_fn(_: CrateNum) -> Option<(LocalDefId, EntryFnType)> {
+ desc { "looking up the entry function of a crate" }
+ }
+ query plugin_registrar_fn(_: CrateNum) -> Option<DefId> {
+ desc { "looking up the plugin registrar for a crate" }
+ }
+ query proc_macro_decls_static(_: CrateNum) -> Option<DefId> {
+ desc { "looking up the derive registrar for a crate" }
+ }
+ query crate_disambiguator(_: CrateNum) -> CrateDisambiguator {
+ eval_always
+ desc { "looking up the disambiguator a crate" }
+ }
+ // The macro which defines `rustc_metadata::provide_extern` depends on this query's name.
+ // Changing the name should cause a compiler error, but in case that changes, be aware.
+ query crate_hash(_: CrateNum) -> Svh {
+ eval_always
+ desc { "looking up the hash a crate" }
+ }
+ query crate_host_hash(_: CrateNum) -> Option<Svh> {
+ eval_always
+ desc { "looking up the hash of a host version of a crate" }
+ }
+ query original_crate_name(_: CrateNum) -> Symbol {
+ eval_always
+ desc { "looking up the original name a crate" }
+ }
+ query extra_filename(_: CrateNum) -> String {
+ eval_always
+ desc { "looking up the extra filename for a crate" }
+ }
+ query crate_extern_paths(_: CrateNum) -> Vec<PathBuf> {
+ eval_always
+ desc { "looking up the paths for extern crates" }
+ }
- /// Given a crate and a trait, look up all impls of that trait in the crate.
- /// Return `(impl_id, self_ty)`.
- query implementations_of_trait(_: (CrateNum, DefId))
- -> &'tcx [(DefId, Option<ty::fast_reject::SimplifiedType>)] {
- desc { "looking up implementations of a trait in a crate" }
- }
+ /// Given a crate and a trait, look up all impls of that trait in the crate.
+ /// Return `(impl_id, self_ty)`.
+ query implementations_of_trait(_: (CrateNum, DefId))
+ -> &'tcx [(DefId, Option<ty::fast_reject::SimplifiedType>)] {
+ desc { "looking up implementations of a trait in a crate" }
+ }
- /// Given a crate, look up all trait impls in that crate.
- /// Return `(impl_id, self_ty)`.
- query all_trait_implementations(_: CrateNum)
- -> &'tcx [(DefId, Option<ty::fast_reject::SimplifiedType>)] {
- desc { "looking up all (?) trait implementations" }
- }
+ /// Given a crate, look up all trait impls in that crate.
+ /// Return `(impl_id, self_ty)`.
+ query all_trait_implementations(_: CrateNum)
+ -> &'tcx [(DefId, Option<ty::fast_reject::SimplifiedType>)] {
+ desc { "looking up all (?) trait implementations" }
+ }
- query is_dllimport_foreign_item(def_id: DefId) -> bool {
- desc { |tcx| "is_dllimport_foreign_item({})", tcx.def_path_str(def_id) }
- }
- query is_statically_included_foreign_item(def_id: DefId) -> bool {
- desc { |tcx| "is_statically_included_foreign_item({})", tcx.def_path_str(def_id) }
- }
- query native_library_kind(def_id: DefId)
- -> Option<NativeLibKind> {
- desc { |tcx| "native_library_kind({})", tcx.def_path_str(def_id) }
- }
+ query is_dllimport_foreign_item(def_id: DefId) -> bool {
+ desc { |tcx| "is_dllimport_foreign_item({})", tcx.def_path_str(def_id) }
+ }
+ query is_statically_included_foreign_item(def_id: DefId) -> bool {
+ desc { |tcx| "is_statically_included_foreign_item({})", tcx.def_path_str(def_id) }
+ }
+ query native_library_kind(def_id: DefId)
+ -> Option<NativeLibKind> {
+ desc { |tcx| "native_library_kind({})", tcx.def_path_str(def_id) }
+ }
- query link_args(_: CrateNum) -> Lrc<Vec<String>> {
- eval_always
- desc { "looking up link arguments for a crate" }
- }
+ query link_args(_: CrateNum) -> Lrc<Vec<String>> {
+ eval_always
+ desc { "looking up link arguments for a crate" }
+ }
- /// Lifetime resolution. See `middle::resolve_lifetimes`.
- query resolve_lifetimes(_: CrateNum) -> ResolveLifetimes {
- storage(ArenaCacheSelector<'tcx>)
- desc { "resolving lifetimes" }
- }
- query named_region_map(_: LocalDefId) ->
- Option<&'tcx FxHashMap<ItemLocalId, Region>> {
- desc { "looking up a named region" }
- }
- query is_late_bound_map(_: LocalDefId) ->
- Option<(LocalDefId, &'tcx FxHashSet<ItemLocalId>)> {
- desc { "testing if a region is late bound" }
- }
- query object_lifetime_defaults_map(_: LocalDefId)
- -> Option<&'tcx FxHashMap<ItemLocalId, Vec<ObjectLifetimeDefault>>> {
- desc { "looking up lifetime defaults for a region" }
- }
+ /// Lifetime resolution. See `middle::resolve_lifetimes`.
+ query resolve_lifetimes(_: CrateNum) -> ResolveLifetimes {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "resolving lifetimes" }
+ }
+ query named_region_map(_: LocalDefId) ->
+ Option<&'tcx FxHashMap<ItemLocalId, Region>> {
+ desc { "looking up a named region" }
+ }
+ query is_late_bound_map(_: LocalDefId) ->
+ Option<(LocalDefId, &'tcx FxHashSet<ItemLocalId>)> {
+ desc { "testing if a region is late bound" }
+ }
+ query object_lifetime_defaults_map(_: LocalDefId)
+ -> Option<&'tcx FxHashMap<ItemLocalId, Vec<ObjectLifetimeDefault>>> {
+ desc { "looking up lifetime defaults for a region" }
+ }
- query visibility(def_id: DefId) -> ty::Visibility {
- eval_always
- desc { |tcx| "computing visibility of `{}`", tcx.def_path_str(def_id) }
- }
+ query visibility(def_id: DefId) -> ty::Visibility {
+ eval_always
+ desc { |tcx| "computing visibility of `{}`", tcx.def_path_str(def_id) }
+ }
- /// Computes the set of modules from which this type is visibly uninhabited.
- /// To check whether a type is uninhabited at all (not just from a given module), you could
- /// check whether the forest is empty.
- query type_uninhabited_from(
- key: ty::ParamEnvAnd<'tcx, Ty<'tcx>>
- ) -> ty::inhabitedness::DefIdForest {
- desc { "computing the inhabitedness of `{:?}`", key }
- }
+ /// Computes the set of modules from which this type is visibly uninhabited.
+ /// To check whether a type is uninhabited at all (not just from a given module), you could
+ /// check whether the forest is empty.
+ query type_uninhabited_from(
+ key: ty::ParamEnvAnd<'tcx, Ty<'tcx>>
+ ) -> ty::inhabitedness::DefIdForest {
+ desc { "computing the inhabitedness of `{:?}`", key }
+ }
- query dep_kind(_: CrateNum) -> CrateDepKind {
- eval_always
- desc { "fetching what a dependency looks like" }
- }
- query crate_name(_: CrateNum) -> Symbol {
- eval_always
- desc { "fetching what a crate is named" }
- }
- query item_children(def_id: DefId) -> &'tcx [Export<hir::HirId>] {
- desc { |tcx| "collecting child items of `{}`", tcx.def_path_str(def_id) }
- }
- query extern_mod_stmt_cnum(def_id: LocalDefId) -> Option<CrateNum> {
- desc { |tcx| "computing crate imported by `{}`", tcx.def_path_str(def_id.to_def_id()) }
- }
+ query dep_kind(_: CrateNum) -> CrateDepKind {
+ eval_always
+ desc { "fetching what a dependency looks like" }
+ }
+ query crate_name(_: CrateNum) -> Symbol {
+ eval_always
+ desc { "fetching what a crate is named" }
+ }
+ query item_children(def_id: DefId) -> &'tcx [Export<hir::HirId>] {
+ desc { |tcx| "collecting child items of `{}`", tcx.def_path_str(def_id) }
+ }
+ query extern_mod_stmt_cnum(def_id: LocalDefId) -> Option<CrateNum> {
+ desc { |tcx| "computing crate imported by `{}`", tcx.def_path_str(def_id.to_def_id()) }
+ }
- query get_lib_features(_: CrateNum) -> LibFeatures {
- storage(ArenaCacheSelector<'tcx>)
- eval_always
- desc { "calculating the lib features map" }
- }
- query defined_lib_features(_: CrateNum)
- -> &'tcx [(Symbol, Option<Symbol>)] {
- desc { "calculating the lib features defined in a crate" }
- }
- /// Returns the lang items defined in another crate by loading it from metadata.
- // FIXME: It is illegal to pass a `CrateNum` other than `LOCAL_CRATE` here, just get rid
- // of that argument?
- query get_lang_items(_: CrateNum) -> LanguageItems {
- storage(ArenaCacheSelector<'tcx>)
- eval_always
- desc { "calculating the lang items map" }
- }
+ query get_lib_features(_: CrateNum) -> LibFeatures {
+ storage(ArenaCacheSelector<'tcx>)
+ eval_always
+ desc { "calculating the lib features map" }
+ }
+ query defined_lib_features(_: CrateNum)
+ -> &'tcx [(Symbol, Option<Symbol>)] {
+ desc { "calculating the lib features defined in a crate" }
+ }
+ /// Returns the lang items defined in another crate by loading it from metadata.
+ // FIXME: It is illegal to pass a `CrateNum` other than `LOCAL_CRATE` here, just get rid
+ // of that argument?
+ query get_lang_items(_: CrateNum) -> LanguageItems {
+ storage(ArenaCacheSelector<'tcx>)
+ eval_always
+ desc { "calculating the lang items map" }
+ }
- /// Returns all diagnostic items defined in all crates.
- query all_diagnostic_items(_: CrateNum) -> FxHashMap<Symbol, DefId> {
- storage(ArenaCacheSelector<'tcx>)
- eval_always
- desc { "calculating the diagnostic items map" }
- }
+ /// Returns all diagnostic items defined in all crates.
+ query all_diagnostic_items(_: CrateNum) -> FxHashMap<Symbol, DefId> {
+ storage(ArenaCacheSelector<'tcx>)
+ eval_always
+ desc { "calculating the diagnostic items map" }
+ }
- /// Returns the lang items defined in another crate by loading it from metadata.
- query defined_lang_items(_: CrateNum) -> &'tcx [(DefId, usize)] {
- desc { "calculating the lang items defined in a crate" }
- }
+ /// Returns the lang items defined in another crate by loading it from metadata.
+ query defined_lang_items(_: CrateNum) -> &'tcx [(DefId, usize)] {
+ desc { "calculating the lang items defined in a crate" }
+ }
- /// Returns the diagnostic items defined in a crate.
- query diagnostic_items(_: CrateNum) -> FxHashMap<Symbol, DefId> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "calculating the diagnostic items map in a crate" }
- }
+ /// Returns the diagnostic items defined in a crate.
+ query diagnostic_items(_: CrateNum) -> FxHashMap<Symbol, DefId> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "calculating the diagnostic items map in a crate" }
+ }
- query missing_lang_items(_: CrateNum) -> &'tcx [LangItem] {
- desc { "calculating the missing lang items in a crate" }
- }
- query visible_parent_map(_: CrateNum)
- -> DefIdMap<DefId> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "calculating the visible parent map" }
- }
- query trimmed_def_paths(_: CrateNum)
- -> FxHashMap<DefId, Symbol> {
- storage(ArenaCacheSelector<'tcx>)
- desc { "calculating trimmed def paths" }
- }
- query missing_extern_crate_item(_: CrateNum) -> bool {
- eval_always
- desc { "seeing if we're missing an `extern crate` item for this crate" }
- }
- query used_crate_source(_: CrateNum) -> Lrc<CrateSource> {
- eval_always
- desc { "looking at the source for a crate" }
- }
- query postorder_cnums(_: CrateNum) -> &'tcx [CrateNum] {
- eval_always
- desc { "generating a postorder list of CrateNums" }
- }
+ query missing_lang_items(_: CrateNum) -> &'tcx [LangItem] {
+ desc { "calculating the missing lang items in a crate" }
+ }
+ query visible_parent_map(_: CrateNum)
+ -> DefIdMap<DefId> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "calculating the visible parent map" }
+ }
+ query trimmed_def_paths(_: CrateNum)
+ -> FxHashMap<DefId, Symbol> {
+ storage(ArenaCacheSelector<'tcx>)
+ desc { "calculating trimmed def paths" }
+ }
+ query missing_extern_crate_item(_: CrateNum) -> bool {
+ eval_always
+ desc { "seeing if we're missing an `extern crate` item for this crate" }
+ }
+ query used_crate_source(_: CrateNum) -> Lrc<CrateSource> {
+ eval_always
+ desc { "looking at the source for a crate" }
+ }
+ query postorder_cnums(_: CrateNum) -> &'tcx [CrateNum] {
+ eval_always
+ desc { "generating a postorder list of CrateNums" }
+ }
- query upvars_mentioned(def_id: DefId) -> Option<&'tcx FxIndexMap<hir::HirId, hir::Upvar>> {
- desc { |tcx| "collecting upvars mentioned in `{}`", tcx.def_path_str(def_id) }
- eval_always
- }
- query maybe_unused_trait_import(def_id: LocalDefId) -> bool {
- eval_always
- desc { |tcx| "maybe_unused_trait_import for `{}`", tcx.def_path_str(def_id.to_def_id()) }
- }
- query maybe_unused_extern_crates(_: CrateNum)
- -> &'tcx [(LocalDefId, Span)] {
- eval_always
- desc { "looking up all possibly unused extern crates" }
- }
- query names_imported_by_glob_use(def_id: LocalDefId)
- -> &'tcx FxHashSet<Symbol> {
- eval_always
- desc { |tcx| "names_imported_by_glob_use for `{}`", tcx.def_path_str(def_id.to_def_id()) }
- }
+ query upvars_mentioned(def_id: DefId) -> Option<&'tcx FxIndexMap<hir::HirId, hir::Upvar>> {
+ desc { |tcx| "collecting upvars mentioned in `{}`", tcx.def_path_str(def_id) }
+ eval_always
+ }
+ query maybe_unused_trait_import(def_id: LocalDefId) -> bool {
+ eval_always
+ desc { |tcx| "maybe_unused_trait_import for `{}`", tcx.def_path_str(def_id.to_def_id()) }
+ }
+ query maybe_unused_extern_crates(_: CrateNum)
+ -> &'tcx [(LocalDefId, Span)] {
+ eval_always
+ desc { "looking up all possibly unused extern crates" }
+ }
+ query names_imported_by_glob_use(def_id: LocalDefId)
+ -> &'tcx FxHashSet<Symbol> {
+ eval_always
+ desc { |tcx| "names_imported_by_glob_use for `{}`", tcx.def_path_str(def_id.to_def_id()) }
+ }
- query stability_index(_: CrateNum) -> stability::Index<'tcx> {
- storage(ArenaCacheSelector<'tcx>)
- eval_always
- desc { "calculating the stability index for the local crate" }
- }
- query all_crate_nums(_: CrateNum) -> &'tcx [CrateNum] {
- eval_always
- desc { "fetching all foreign CrateNum instances" }
- }
+ query stability_index(_: CrateNum) -> stability::Index<'tcx> {
+ storage(ArenaCacheSelector<'tcx>)
+ eval_always
+ desc { "calculating the stability index for the local crate" }
+ }
+ query all_crate_nums(_: CrateNum) -> &'tcx [CrateNum] {
+ eval_always
+ desc { "fetching all foreign CrateNum instances" }
+ }
- /// A vector of every trait accessible in the whole crate
- /// (i.e., including those from subcrates). This is used only for
- /// error reporting.
- query all_traits(_: CrateNum) -> &'tcx [DefId] {
- desc { "fetching all foreign and local traits" }
- }
+ /// A vector of every trait accessible in the whole crate
+ /// (i.e., including those from subcrates). This is used only for
+ /// error reporting.
+ query all_traits(_: CrateNum) -> &'tcx [DefId] {
+ desc { "fetching all foreign and local traits" }
+ }
- /// The list of symbols exported from the given crate.
- ///
- /// - All names contained in `exported_symbols(cnum)` are guaranteed to
- /// correspond to a publicly visible symbol in `cnum` machine code.
- /// - The `exported_symbols` sets of different crates do not intersect.
- query exported_symbols(_: CrateNum)
- -> &'tcx [(ExportedSymbol<'tcx>, SymbolExportLevel)] {
- desc { "exported_symbols" }
- }
+ /// The list of symbols exported from the given crate.
+ ///
+ /// - All names contained in `exported_symbols(cnum)` are guaranteed to
+ /// correspond to a publicly visible symbol in `cnum` machine code.
+ /// - The `exported_symbols` sets of different crates do not intersect.
+ query exported_symbols(_: CrateNum)
+ -> &'tcx [(ExportedSymbol<'tcx>, SymbolExportLevel)] {
+ desc { "exported_symbols" }
+ }
- query collect_and_partition_mono_items(_: CrateNum)
- -> (&'tcx DefIdSet, &'tcx [CodegenUnit<'tcx>]) {
- eval_always
- desc { "collect_and_partition_mono_items" }
- }
- query is_codegened_item(def_id: DefId) -> bool {
- desc { |tcx| "determining whether `{}` needs codegen", tcx.def_path_str(def_id) }
- }
- query codegen_unit(_: Symbol) -> &'tcx CodegenUnit<'tcx> {
- desc { "codegen_unit" }
- }
- query unused_generic_params(key: DefId) -> FiniteBitSet<u32> {
- cache_on_disk_if { key.is_local() }
- desc {
- |tcx| "determining which generic parameters are unused by `{}`",
- tcx.def_path_str(key)
- }
- }
- query backend_optimization_level(_: CrateNum) -> OptLevel {
- desc { "optimization level used by backend" }
+ query collect_and_partition_mono_items(_: CrateNum)
+ -> (&'tcx DefIdSet, &'tcx [CodegenUnit<'tcx>]) {
+ eval_always
+ desc { "collect_and_partition_mono_items" }
+ }
+ query is_codegened_item(def_id: DefId) -> bool {
+ desc { |tcx| "determining whether `{}` needs codegen", tcx.def_path_str(def_id) }
+ }
+ query codegen_unit(_: Symbol) -> &'tcx CodegenUnit<'tcx> {
+ desc { "codegen_unit" }
+ }
+ query unused_generic_params(key: DefId) -> FiniteBitSet<u32> {
+ cache_on_disk_if { key.is_local() }
+ desc {
+ |tcx| "determining which generic parameters are unused by `{}`",
+ tcx.def_path_str(key)
}
+ }
+ query backend_optimization_level(_: CrateNum) -> OptLevel {
+ desc { "optimization level used by backend" }
+ }
- query output_filenames(_: CrateNum) -> Arc<OutputFilenames> {
- eval_always
- desc { "output_filenames" }
- }
+ query output_filenames(_: CrateNum) -> Arc<OutputFilenames> {
+ eval_always
+ desc { "output_filenames" }
+ }
- /// Do not call this query directly: invoke `normalize` instead.
- query normalize_projection_ty(
- goal: CanonicalProjectionGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, NormalizationResult<'tcx>>>,
- NoSolution,
- > {
- desc { "normalizing `{:?}`", goal }
- }
+ /// Do not call this query directly: invoke `normalize` instead.
+ query normalize_projection_ty(
+ goal: CanonicalProjectionGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, NormalizationResult<'tcx>>>,
+ NoSolution,
+ > {
+ desc { "normalizing `{:?}`", goal }
+ }
- /// Do not call this query directly: invoke `normalize_erasing_regions` instead.
- query normalize_generic_arg_after_erasing_regions(
- goal: ParamEnvAnd<'tcx, GenericArg<'tcx>>
- ) -> GenericArg<'tcx> {
- desc { "normalizing `{}`", goal.value }
- }
+ /// Do not call this query directly: invoke `normalize_erasing_regions` instead.
+ query normalize_generic_arg_after_erasing_regions(
+ goal: ParamEnvAnd<'tcx, GenericArg<'tcx>>
+ ) -> GenericArg<'tcx> {
+ desc { "normalizing `{}`", goal.value }
+ }
- query implied_outlives_bounds(
- goal: CanonicalTyGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, Vec<OutlivesBound<'tcx>>>>,
- NoSolution,
- > {
- desc { "computing implied outlives bounds for `{:?}`", goal }
- }
+ query implied_outlives_bounds(
+ goal: CanonicalTyGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, Vec<OutlivesBound<'tcx>>>>,
+ NoSolution,
+ > {
+ desc { "computing implied outlives bounds for `{:?}`", goal }
+ }
- /// Do not call this query directly: invoke `infcx.at().dropck_outlives()` instead.
- query dropck_outlives(
- goal: CanonicalTyGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, DropckOutlivesResult<'tcx>>>,
- NoSolution,
- > {
- desc { "computing dropck types for `{:?}`", goal }
- }
+ /// Do not call this query directly: invoke `infcx.at().dropck_outlives()` instead.
+ query dropck_outlives(
+ goal: CanonicalTyGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, DropckOutlivesResult<'tcx>>>,
+ NoSolution,
+ > {
+ desc { "computing dropck types for `{:?}`", goal }
+ }
- /// Do not call this query directly: invoke `infcx.predicate_may_hold()` or
- /// `infcx.predicate_must_hold()` instead.
- query evaluate_obligation(
- goal: CanonicalPredicateGoal<'tcx>
- ) -> Result<traits::EvaluationResult, traits::OverflowError> {
- desc { "evaluating trait selection obligation `{}`", goal.value.value }
- }
+ /// Do not call this query directly: invoke `infcx.predicate_may_hold()` or
+ /// `infcx.predicate_must_hold()` instead.
+ query evaluate_obligation(
+ goal: CanonicalPredicateGoal<'tcx>
+ ) -> Result<traits::EvaluationResult, traits::OverflowError> {
+ desc { "evaluating trait selection obligation `{}`", goal.value.value }
+ }
- query evaluate_goal(
- goal: traits::CanonicalChalkEnvironmentAndGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
- NoSolution
- > {
- desc { "evaluating trait selection obligation `{}`", goal.value }
- }
+ query evaluate_goal(
+ goal: traits::CanonicalChalkEnvironmentAndGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
+ NoSolution
+ > {
+ desc { "evaluating trait selection obligation `{}`", goal.value }
+ }
- query type_implements_trait(
- key: (DefId, Ty<'tcx>, SubstsRef<'tcx>, ty::ParamEnv<'tcx>, )
- ) -> bool {
- desc { "evaluating `type_implements_trait` `{:?}`", key }
- }
+ query type_implements_trait(
+ key: (DefId, Ty<'tcx>, SubstsRef<'tcx>, ty::ParamEnv<'tcx>, )
+ ) -> bool {
+ desc { "evaluating `type_implements_trait` `{:?}`", key }
+ }
- /// Do not call this query directly: part of the `Eq` type-op
- query type_op_ascribe_user_type(
- goal: CanonicalTypeOpAscribeUserTypeGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
- NoSolution,
- > {
- desc { "evaluating `type_op_ascribe_user_type` `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `Eq` type-op
+ query type_op_ascribe_user_type(
+ goal: CanonicalTypeOpAscribeUserTypeGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
+ NoSolution,
+ > {
+ desc { "evaluating `type_op_ascribe_user_type` `{:?}`", goal }
+ }
- /// Do not call this query directly: part of the `Eq` type-op
- query type_op_eq(
- goal: CanonicalTypeOpEqGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
- NoSolution,
- > {
- desc { "evaluating `type_op_eq` `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `Eq` type-op
+ query type_op_eq(
+ goal: CanonicalTypeOpEqGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
+ NoSolution,
+ > {
+ desc { "evaluating `type_op_eq` `{:?}`", goal }
+ }
- /// Do not call this query directly: part of the `Subtype` type-op
- query type_op_subtype(
- goal: CanonicalTypeOpSubtypeGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
- NoSolution,
- > {
- desc { "evaluating `type_op_subtype` `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `Subtype` type-op
+ query type_op_subtype(
+ goal: CanonicalTypeOpSubtypeGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
+ NoSolution,
+ > {
+ desc { "evaluating `type_op_subtype` `{:?}`", goal }
+ }
- /// Do not call this query directly: part of the `ProvePredicate` type-op
- query type_op_prove_predicate(
- goal: CanonicalTypeOpProvePredicateGoal<'tcx>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
- NoSolution,
- > {
- desc { "evaluating `type_op_prove_predicate` `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `ProvePredicate` type-op
+ query type_op_prove_predicate(
+ goal: CanonicalTypeOpProvePredicateGoal<'tcx>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ()>>,
+ NoSolution,
+ > {
+ desc { "evaluating `type_op_prove_predicate` `{:?}`", goal }
+ }
- /// Do not call this query directly: part of the `Normalize` type-op
- query type_op_normalize_ty(
- goal: CanonicalTypeOpNormalizeGoal<'tcx, Ty<'tcx>>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, Ty<'tcx>>>,
- NoSolution,
- > {
- desc { "normalizing `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `Normalize` type-op
+ query type_op_normalize_ty(
+ goal: CanonicalTypeOpNormalizeGoal<'tcx, Ty<'tcx>>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, Ty<'tcx>>>,
+ NoSolution,
+ > {
+ desc { "normalizing `{:?}`", goal }
+ }
- /// Do not call this query directly: part of the `Normalize` type-op
- query type_op_normalize_predicate(
- goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::Predicate<'tcx>>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::Predicate<'tcx>>>,
- NoSolution,
- > {
- desc { "normalizing `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `Normalize` type-op
+ query type_op_normalize_predicate(
+ goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::Predicate<'tcx>>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::Predicate<'tcx>>>,
+ NoSolution,
+ > {
+ desc { "normalizing `{:?}`", goal }
+ }
- /// Do not call this query directly: part of the `Normalize` type-op
- query type_op_normalize_poly_fn_sig(
- goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::PolyFnSig<'tcx>>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::PolyFnSig<'tcx>>>,
- NoSolution,
- > {
- desc { "normalizing `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `Normalize` type-op
+ query type_op_normalize_poly_fn_sig(
+ goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::PolyFnSig<'tcx>>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::PolyFnSig<'tcx>>>,
+ NoSolution,
+ > {
+ desc { "normalizing `{:?}`", goal }
+ }
- /// Do not call this query directly: part of the `Normalize` type-op
- query type_op_normalize_fn_sig(
- goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::FnSig<'tcx>>
- ) -> Result<
- &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::FnSig<'tcx>>>,
- NoSolution,
- > {
- desc { "normalizing `{:?}`", goal }
- }
+ /// Do not call this query directly: part of the `Normalize` type-op
+ query type_op_normalize_fn_sig(
+ goal: CanonicalTypeOpNormalizeGoal<'tcx, ty::FnSig<'tcx>>
+ ) -> Result<
+ &'tcx Canonical<'tcx, canonical::QueryResponse<'tcx, ty::FnSig<'tcx>>>,
+ NoSolution,
+ > {
+ desc { "normalizing `{:?}`", goal }
+ }
- query subst_and_check_impossible_predicates(key: (DefId, SubstsRef<'tcx>)) -> bool {
- desc { |tcx|
- "impossible substituted predicates:`{}`",
- tcx.def_path_str(key.0)
- }
+ query subst_and_check_impossible_predicates(key: (DefId, SubstsRef<'tcx>)) -> bool {
+ desc { |tcx|
+ "impossible substituted predicates:`{}`",
+ tcx.def_path_str(key.0)
}
+ }
- query method_autoderef_steps(
- goal: CanonicalTyGoal<'tcx>
- ) -> MethodAutoderefStepsResult<'tcx> {
- desc { "computing autoderef types for `{:?}`", goal }
- }
+ query method_autoderef_steps(
+ goal: CanonicalTyGoal<'tcx>
+ ) -> MethodAutoderefStepsResult<'tcx> {
+ desc { "computing autoderef types for `{:?}`", goal }
+ }
- query supported_target_features(_: CrateNum) -> FxHashMap<String, Option<Symbol>> {
- storage(ArenaCacheSelector<'tcx>)
- eval_always
- desc { "looking up supported target features" }
- }
+ query supported_target_features(_: CrateNum) -> FxHashMap<String, Option<Symbol>> {
+ storage(ArenaCacheSelector<'tcx>)
+ eval_always
+ desc { "looking up supported target features" }
+ }
- /// Get an estimate of the size of an InstanceDef based on its MIR for CGU partitioning.
- query instance_def_size_estimate(def: ty::InstanceDef<'tcx>)
- -> usize {
- desc { |tcx| "estimating size for `{}`", tcx.def_path_str(def.def_id()) }
- }
+ /// Get an estimate of the size of an InstanceDef based on its MIR for CGU partitioning.
+ query instance_def_size_estimate(def: ty::InstanceDef<'tcx>)
+ -> usize {
+ desc { |tcx| "estimating size for `{}`", tcx.def_path_str(def.def_id()) }
+ }
- query features_query(_: CrateNum) -> &'tcx rustc_feature::Features {
- eval_always
- desc { "looking up enabled feature gates" }
- }
+ query features_query(_: CrateNum) -> &'tcx rustc_feature::Features {
+ eval_always
+ desc { "looking up enabled feature gates" }
+ }
- /// Attempt to resolve the given `DefId` to an `Instance`, for the
- /// given generics args (`SubstsRef`), returning one of:
- /// * `Ok(Some(instance))` on success
- /// * `Ok(None)` when the `SubstsRef` are still too generic,
- /// and therefore don't allow finding the final `Instance`
- /// * `Err(ErrorReported)` when the `Instance` resolution process
- /// couldn't complete due to errors elsewhere - this is distinct
- /// from `Ok(None)` to avoid misleading diagnostics when an error
- /// has already been/will be emitted, for the original cause
- query resolve_instance(
- key: ty::ParamEnvAnd<'tcx, (DefId, SubstsRef<'tcx>)>
- ) -> Result<Option<ty::Instance<'tcx>>, ErrorReported> {
- desc { "resolving instance `{}`", ty::Instance::new(key.value.0, key.value.1) }
- }
+ /// Attempt to resolve the given `DefId` to an `Instance`, for the
+ /// given generics args (`SubstsRef`), returning one of:
+ /// * `Ok(Some(instance))` on success
+ /// * `Ok(None)` when the `SubstsRef` are still too generic,
+ /// and therefore don't allow finding the final `Instance`
+ /// * `Err(ErrorReported)` when the `Instance` resolution process
+ /// couldn't complete due to errors elsewhere - this is distinct
+ /// from `Ok(None)` to avoid misleading diagnostics when an error
+ /// has already been/will be emitted, for the original cause
+ query resolve_instance(
+ key: ty::ParamEnvAnd<'tcx, (DefId, SubstsRef<'tcx>)>
+ ) -> Result<Option<ty::Instance<'tcx>>, ErrorReported> {
+ desc { "resolving instance `{}`", ty::Instance::new(key.value.0, key.value.1) }
+ }
- query resolve_instance_of_const_arg(
- key: ty::ParamEnvAnd<'tcx, (LocalDefId, DefId, SubstsRef<'tcx>)>
- ) -> Result<Option<ty::Instance<'tcx>>, ErrorReported> {
- desc {
- "resolving instance of the const argument `{}`",
- ty::Instance::new(key.value.0.to_def_id(), key.value.2),
- }
+ query resolve_instance_of_const_arg(
+ key: ty::ParamEnvAnd<'tcx, (LocalDefId, DefId, SubstsRef<'tcx>)>
+ ) -> Result<Option<ty::Instance<'tcx>>, ErrorReported> {
+ desc {
+ "resolving instance of the const argument `{}`",
+ ty::Instance::new(key.value.0.to_def_id(), key.value.2),
}
+ }
- query normalize_opaque_types(key: &'tcx ty::List<ty::Predicate<'tcx>>) -> &'tcx ty::List<ty::Predicate<'tcx>> {
- desc { "normalizing opaque types in {:?}", key }
- }
+ query normalize_opaque_types(key: &'tcx ty::List<ty::Predicate<'tcx>>) -> &'tcx ty::List<ty::Predicate<'tcx>> {
+ desc { "normalizing opaque types in {:?}", key }
+ }
}
projects / rust.git / commitdiff