Struct rustc_query_impl::QueryCtxt

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pub struct QueryCtxt<'tcx> {
    pub tcx: TyCtxt<'tcx>,
}

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§tcx: TyCtxt<'tcx>

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impl<'tcx> QueryCtxt<'tcx>

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pub fn new(tcx: TyCtxt<'tcx>) -> Self

Methods from Deref<Target = TyCtxt<'tcx>>§

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pub const COMMON_VTABLE_ENTRIES: &'tcx [VtblEntry<'tcx>] = _

Trait Implementations§

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impl<'tcx> Clone for QueryCtxt<'tcx>

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fn clone(&self) -> QueryCtxt<'tcx>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'tcx> Deref for QueryCtxt<'tcx>

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type Target = TyCtxt<'tcx>

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<'tcx> HasDepContext for QueryCtxt<'tcx>

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impl<'tcx, C: QueryCache, const ANON: bool, const DEPTH_LIMIT: bool, const FEEDABLE: bool> QueryConfig<QueryCtxt<'tcx>> for DynamicConfig<'tcx, C, ANON, DEPTH_LIMIT, FEEDABLE>
where for<'a> C::Key: HashStable<StableHashingContext<'a>>,

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type Key = <C as QueryCache>::Key

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type Value = <C as QueryCache>::Value

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type Cache = C

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fn name(self) -> &'static str

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fn cache_on_disk(self, tcx: TyCtxt<'tcx>, key: &Self::Key) -> bool

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fn query_state<'a>(self, qcx: QueryCtxt<'tcx>) -> &'a QueryState<Self::Key>
where QueryCtxt<'tcx>: 'a,

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fn query_cache<'a>(self, qcx: QueryCtxt<'tcx>) -> &'a Self::Cache
where 'tcx: 'a,

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fn execute_query(self, tcx: TyCtxt<'tcx>, key: Self::Key) -> Self::Value

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fn compute(self, qcx: QueryCtxt<'tcx>, key: Self::Key) -> Self::Value

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fn try_load_from_disk( self, qcx: QueryCtxt<'tcx>, key: &Self::Key, prev_index: SerializedDepNodeIndex, index: DepNodeIndex, ) -> Option<Self::Value>

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fn loadable_from_disk( self, qcx: QueryCtxt<'tcx>, key: &Self::Key, index: SerializedDepNodeIndex, ) -> bool

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fn value_from_cycle_error( self, tcx: TyCtxt<'tcx>, cycle_error: &CycleError, guar: ErrorGuaranteed, ) -> Self::Value

Synthesize an error value to let compilation continue after a cycle.
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fn format_value(self) -> fn(_: &Self::Value) -> String

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fn anon(self) -> bool

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fn eval_always(self) -> bool

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fn depth_limit(self) -> bool

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fn feedable(self) -> bool

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fn dep_kind(self) -> DepKind

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fn handle_cycle_error(self) -> HandleCycleError

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fn hash_result(self) -> HashResult<Self::Value>

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fn construct_dep_node( self, tcx: <Qcx as HasDepContext>::DepContext, key: &Self::Key, ) -> DepNode

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impl QueryContext for QueryCtxt<'_>

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fn start_query<R>( self, token: QueryJobId, depth_limit: bool, diagnostics: Option<&Lock<ThinVec<DiagInner>>>, compute: impl FnOnce() -> R, ) -> R

Executes a job by changing the ImplicitCtxt to point to the new query job while it executes. It returns the diagnostics captured during execution and the actual result.

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fn next_job_id(self) -> QueryJobId

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fn current_query_job(self) -> Option<QueryJobId>

Get the query information from the TLS context.
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fn collect_active_jobs(self) -> QueryMap

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fn load_side_effects( self, prev_dep_node_index: SerializedDepNodeIndex, ) -> QuerySideEffects

Load side effects associated to the node in the previous session.
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fn store_side_effects( self, dep_node_index: DepNodeIndex, side_effects: QuerySideEffects, )

Register diagnostics for the given node, for use in next session.
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fn store_side_effects_for_anon_node( self, dep_node_index: DepNodeIndex, side_effects: QuerySideEffects, )

Register diagnostics for the given node, for use in next session.
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fn depth_limit_error(self, job: QueryJobId)

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impl<'tcx> Copy for QueryCtxt<'tcx>

Auto Trait Implementations§

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impl<'tcx> Freeze for QueryCtxt<'tcx>

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impl<'tcx> !RefUnwindSafe for QueryCtxt<'tcx>

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impl<'tcx> !Send for QueryCtxt<'tcx>

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impl<'tcx> !Sync for QueryCtxt<'tcx>

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impl<'tcx> Unpin for QueryCtxt<'tcx>

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impl<'tcx> !UnwindSafe for QueryCtxt<'tcx>

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'a mut [T]

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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'a mut [T]

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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impl<T> Filterable for T

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<P> IntoQueryParam<P> for P

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impl<T> MaybeResult<T> for T

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type Error = !

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fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<I, T, U> Upcast<I, U> for T
where U: UpcastFrom<I, T>,

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fn upcast(self, interner: I) -> U

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impl<I, T> UpcastFrom<I, T> for T

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fn upcast_from(from: T, _tcx: I) -> T

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<'a, T> Captures<'a> for T
where T: ?Sized,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes