rustc_mir_build::check_tail_calls

Struct TailCallCkVisitor

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struct TailCallCkVisitor<'a, 'tcx> {
    tcx: TyCtxt<'tcx>,
    thir: &'a Thir<'tcx>,
    typing_env: TypingEnv<'tcx>,
    is_closure: bool,
    found_errors: Result<(), ErrorGuaranteed>,
    caller_ty: Ty<'tcx>,
}

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§tcx: TyCtxt<'tcx>§thir: &'a Thir<'tcx>§typing_env: TypingEnv<'tcx>§is_closure: bool

Whatever the currently checked body is one of a closure

§found_errors: Result<(), ErrorGuaranteed>

The result of the checks, Err(_) if there was a problem with some tail call, Ok(()) if all of them were fine.

§caller_ty: Ty<'tcx>

Type of the caller function.

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impl<'tcx> TailCallCkVisitor<'_, 'tcx>

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fn check_tail_call(&mut self, call: &Expr<'_>, expr: &Expr<'_>)

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fn needs_location(&self, ty: Ty<'tcx>) -> bool

Returns true if function of type ty needs location argument (i.e. if a function is marked as #[track_caller])

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fn report_in_closure(&mut self, expr: &Expr<'_>)

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fn report_builtin_op(&mut self, value: &Expr<'_>, expr: &Expr<'_>)

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fn report_op( &mut self, fun_ty: Ty<'_>, args: &[ExprId], fn_span: Span, expr: &Expr<'_>, )

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fn report_non_call(&mut self, value: &Expr<'_>, expr: &Expr<'_>)

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fn report_calling_closure( &mut self, fun: &Expr<'_>, tupled_args: Ty<'_>, expr: &Expr<'_>, )

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fn report_abi_mismatch( &mut self, sp: Span, caller_abi: ExternAbi, callee_abi: ExternAbi, )

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fn report_arguments_mismatch( &mut self, sp: Span, caller_sig: FnSig<'_>, callee_sig: FnSig<'_>, )

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fn report_track_caller_mismatch( &mut self, sp: Span, caller_needs_location: bool, )

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fn report_c_variadic_caller(&mut self, sp: Span)

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fn report_c_variadic_callee(&mut self, sp: Span)

Trait Implementations§

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impl<'a, 'tcx> Visitor<'a, 'tcx> for TailCallCkVisitor<'a, 'tcx>

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fn thir(&self) -> &'a Thir<'tcx>

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fn visit_expr(&mut self, expr: &'a Expr<'tcx>)

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fn visit_stmt(&mut self, stmt: &'thir Stmt<'tcx>)

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fn visit_block(&mut self, block: &'thir Block)

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fn visit_arm(&mut self, arm: &'thir Arm<'tcx>)

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fn visit_pat(&mut self, pat: &'thir Pat<'tcx>)

Auto Trait Implementations§

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impl<'a, 'tcx> DynSend for TailCallCkVisitor<'a, 'tcx>

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impl<'a, 'tcx> DynSync for TailCallCkVisitor<'a, 'tcx>

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impl<'a, 'tcx> Freeze for TailCallCkVisitor<'a, 'tcx>

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impl<'a, 'tcx> !RefUnwindSafe for TailCallCkVisitor<'a, 'tcx>

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impl<'a, 'tcx> !Send for TailCallCkVisitor<'a, 'tcx>

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impl<'a, 'tcx> !Sync for TailCallCkVisitor<'a, 'tcx>

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impl<'a, 'tcx> Unpin for TailCallCkVisitor<'a, 'tcx>

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impl<'a, 'tcx> !UnwindSafe for TailCallCkVisitor<'a, '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<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, 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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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>

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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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

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type Output = T

Should always be Self
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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
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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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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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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: 56 bytes