Struct rustc::ty::layout::LayoutCx

pub struct LayoutCx<'tcx, C> {
    pub tcx: C,
    pub param_env: ParamEnv<'tcx>,
}

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Fields

tcx: C

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param_env: ParamEnv<'tcx>

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Methods

impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>>

fn layout_raw_uncached(     self,     ty: Ty<'tcx> ) -> Result<&'tcx LayoutDetails, LayoutError<'tcx>>

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fn record_layout_for_printing(self, layout: TyLayout<'tcx>)

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This is invoked by the layout_raw query to record the final layout of each type.

fn record_layout_for_printing_outlined(self, layout: TyLayout<'tcx>)

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impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>>

fn find_niche(     self,     layout: TyLayout<'tcx>,     count: u128 ) -> Result<Option<(Size, Scalar, u128)>, LayoutError<'tcx>>

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Find the offset of a niche leaf field, starting from the given type and recursing through aggregates, which has at least count consecutive invalid values. The tuple is (offset, scalar, niche_value).

Trait Implementations

impl<'tcx, C: Copy> Copy for LayoutCx<'tcx, C>

impl<'tcx, C: Clone> Clone for LayoutCx<'tcx, C>

fn clone(&self) -> LayoutCx<'tcx, C>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'tcx, T: HasDataLayout> HasDataLayout for LayoutCx<'tcx, T>

fn data_layout(&self) -> &TargetDataLayout

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impl<'gcx, 'tcx, T: HasTyCtxt<'gcx>> HasTyCtxt<'gcx> for LayoutCx<'tcx, T>

fn tcx<'b>(&'b self) -> TyCtxt<'b, 'gcx, 'gcx>

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impl<'a, 'tcx> LayoutOf for LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>>

type Ty = Ty<'tcx>

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type TyLayout = Result<TyLayout<'tcx>, LayoutError<'tcx>>

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fn layout_of(self, ty: Ty<'tcx>) -> Self::TyLayout

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Computes the layout of a type. Note that this implicitly executes in "reveal all" mode.

impl<'a, 'tcx> LayoutOf for LayoutCx<'tcx, TyCtxtAt<'a, 'tcx, 'tcx>>

type Ty = Ty<'tcx>

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type TyLayout = Result<TyLayout<'tcx>, LayoutError<'tcx>>

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fn layout_of(self, ty: Ty<'tcx>) -> Self::TyLayout

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Computes the layout of a type. Note that this implicitly executes in "reveal all" mode.