pub struct OpTy<'tcx, Prov: Provenance = AllocId> {
op: Operand<Prov>,
pub layout: TyAndLayout<'tcx>,
pub align: Option<Align>,
}
Fields
op: Operand<Prov>
layout: TyAndLayout<'tcx>
align: Option<Align>
rustc does not have a proper way to represent the type of a field of a repr(packed)
struct:
it needs to have a different alignment than the field type would usually have.
So we represent this here with a separate field that “overwrites” layout.align
.
This means layout.align
should never be used for an OpTy
!
None
means “alignment does not matter since this is a by-value operand”
(Operand::Immediate
); this field is only relevant for Operand::Indirect
.
Also CTFE ignores alignment anyway, so this is for Miri only.
Implementations
sourceimpl<'tcx, Prov: Provenance> OpTy<'tcx, Prov>
impl<'tcx, Prov: Provenance> OpTy<'tcx, Prov>
pub fn len(&self, cx: &impl HasDataLayout) -> InterpResult<'tcx, u64>
pub fn offset_with_meta(
&self,
offset: Size,
meta: MemPlaceMeta<Prov>,
layout: TyAndLayout<'tcx>,
cx: &impl HasDataLayout
) -> InterpResult<'tcx, Self>
pub fn offset(
&self,
offset: Size,
layout: TyAndLayout<'tcx>,
cx: &impl HasDataLayout
) -> InterpResult<'tcx, Self>
sourceimpl<'tcx, Prov: Provenance> OpTy<'tcx, Prov>
impl<'tcx, Prov: Provenance> OpTy<'tcx, Prov>
pub fn try_as_mplace(&self) -> Result<MPlaceTy<'tcx, Prov>, ImmTy<'tcx, Prov>>
pub fn assert_mem_place(&self) -> MPlaceTy<'tcx, Prov>
Trait Implementations
sourceimpl<'tcx, Prov: Clone + Provenance> Clone for OpTy<'tcx, Prov>
impl<'tcx, Prov: Clone + Provenance> Clone for OpTy<'tcx, Prov>
sourceimpl<'tcx, Prov: Debug + Provenance> Debug for OpTy<'tcx, Prov>
impl<'tcx, Prov: Debug + Provenance> Debug for OpTy<'tcx, Prov>
sourceimpl<'tcx, Prov: Provenance> Deref for OpTy<'tcx, Prov>
impl<'tcx, Prov: Provenance> Deref for OpTy<'tcx, Prov>
sourceimpl<'tcx, Prov: Provenance> From<&MPlaceTy<'tcx, Prov>> for OpTy<'tcx, Prov>
impl<'tcx, Prov: Provenance> From<&MPlaceTy<'tcx, Prov>> for OpTy<'tcx, Prov>
sourceimpl<'tcx, Prov: Provenance> From<&mut MPlaceTy<'tcx, Prov>> for OpTy<'tcx, Prov>
impl<'tcx, Prov: Provenance> From<&mut MPlaceTy<'tcx, Prov>> for OpTy<'tcx, Prov>
sourceimpl<'tcx, Prov: Provenance> From<ImmTy<'tcx, Prov>> for OpTy<'tcx, Prov>
impl<'tcx, Prov: Provenance> From<ImmTy<'tcx, Prov>> for OpTy<'tcx, Prov>
sourceimpl<'tcx, Prov: Provenance> From<MPlaceTy<'tcx, Prov>> for OpTy<'tcx, Prov>
impl<'tcx, Prov: Provenance> From<MPlaceTy<'tcx, Prov>> for OpTy<'tcx, Prov>
sourceimpl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> Value<'mir, 'tcx, M> for OpTy<'tcx, M::Provenance>
impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> Value<'mir, 'tcx, M> for OpTy<'tcx, M::Provenance>
sourcefn layout(&self) -> TyAndLayout<'tcx>
fn layout(&self) -> TyAndLayout<'tcx>
Gets this value’s layout.
sourcefn to_op_for_read(
&self,
_ecx: &InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
fn to_op_for_read(
&self,
_ecx: &InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
Makes this into an
OpTy
, in a cheap way that is good for reading.sourcefn from_op(op: &OpTy<'tcx, M::Provenance>) -> Self
fn from_op(op: &OpTy<'tcx, M::Provenance>) -> Self
Creates this from an
OpTy
. Read moresourcefn project_downcast(
&self,
ecx: &InterpCx<'mir, 'tcx, M>,
variant: VariantIdx
) -> InterpResult<'tcx, Self>
fn project_downcast(
&self,
ecx: &InterpCx<'mir, 'tcx, M>,
variant: VariantIdx
) -> InterpResult<'tcx, Self>
Projects to the given enum variant.
sourcefn project_field(
&self,
ecx: &InterpCx<'mir, 'tcx, M>,
field: usize
) -> InterpResult<'tcx, Self>
fn project_field(
&self,
ecx: &InterpCx<'mir, 'tcx, M>,
field: usize
) -> InterpResult<'tcx, Self>
Projects to the n-th field.
sourcefn to_op_for_proj(
&self,
ecx: &InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
fn to_op_for_proj(
&self,
ecx: &InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
Makes this into an
OpTy
, in a potentially more expensive way that is good for projections.sourceimpl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValueMut<'mir, 'tcx, M> for OpTy<'tcx, M::Provenance>
impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValueMut<'mir, 'tcx, M> for OpTy<'tcx, M::Provenance>
sourcefn layout(&self) -> TyAndLayout<'tcx>
fn layout(&self) -> TyAndLayout<'tcx>
Gets this value’s layout.
sourcefn to_op_for_read(
&self,
_ecx: &InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
fn to_op_for_read(
&self,
_ecx: &InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
Makes this into an
OpTy
, in a cheap way that is good for reading.sourcefn to_op_for_proj(
&self,
_ecx: &mut InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
fn to_op_for_proj(
&self,
_ecx: &mut InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>
Makes this into an
OpTy
, in a potentially more expensive way that is good for projections.sourcefn from_op(op: &OpTy<'tcx, M::Provenance>) -> Self
fn from_op(op: &OpTy<'tcx, M::Provenance>) -> Self
Creates this from an
OpTy
. Read moresourcefn project_downcast(
&self,
ecx: &mut InterpCx<'mir, 'tcx, M>,
variant: VariantIdx
) -> InterpResult<'tcx, Self>
fn project_downcast(
&self,
ecx: &mut InterpCx<'mir, 'tcx, M>,
variant: VariantIdx
) -> InterpResult<'tcx, Self>
Projects to the given enum variant.
sourcefn project_field(
&self,
ecx: &mut InterpCx<'mir, 'tcx, M>,
field: usize
) -> InterpResult<'tcx, Self>
fn project_field(
&self,
ecx: &mut InterpCx<'mir, 'tcx, M>,
field: usize
) -> InterpResult<'tcx, Self>
Projects to the n-th field.
Auto Trait Implementations
impl<'tcx, Prov = AllocId> !RefUnwindSafe for OpTy<'tcx, Prov>
impl<'tcx, Prov> Send for OpTy<'tcx, Prov>where
Prov: Send,
impl<'tcx, Prov> Sync for OpTy<'tcx, Prov>where
Prov: Sync,
impl<'tcx, Prov> Unpin for OpTy<'tcx, Prov>where
Prov: Unpin,
impl<'tcx, Prov = AllocId> !UnwindSafe for OpTy<'tcx, Prov>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Layout
Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.