Struct rustc_mir_transform::elaborate_drops::Elaborator
source · [−]struct Elaborator<'a, 'b, 'tcx> {
ctxt: &'a mut ElaborateDropsCtxt<'b, 'tcx>,
}Fields
ctxt: &'a mut ElaborateDropsCtxt<'b, 'tcx>Trait Implementations
sourceimpl Debug for Elaborator<'_, '_, '_>
impl Debug for Elaborator<'_, '_, '_>
sourceimpl<'a, 'tcx> DropElaborator<'a, 'tcx> for Elaborator<'a, '_, 'tcx>
impl<'a, 'tcx> DropElaborator<'a, 'tcx> for Elaborator<'a, '_, 'tcx>
type Path = MovePathIndex
type Path = MovePathIndex
The type representing paths that can be moved out of. Read more
fn patch(&mut self) -> &mut MirPatch<'tcx>
fn body(&self) -> &'a Body<'tcx>
fn tcx(&self) -> TyCtxt<'tcx>
fn param_env(&self) -> ParamEnv<'tcx>
sourcefn drop_style(&self, path: Self::Path, mode: DropFlagMode) -> DropStyle
fn drop_style(&self, path: Self::Path, mode: DropFlagMode) -> DropStyle
Returns how path should be dropped, given mode.
sourcefn clear_drop_flag(&mut self, loc: Location, path: Self::Path, mode: DropFlagMode)
fn clear_drop_flag(&mut self, loc: Location, path: Self::Path, mode: DropFlagMode)
Modifies the MIR patch so that the drop flag of path (if any) is cleared at location. Read more
sourcefn field_subpath(&self, path: Self::Path, field: Field) -> Option<Self::Path>
fn field_subpath(&self, path: Self::Path, field: Field) -> Option<Self::Path>
Returns the subpath of a field of path (or None if there is no dedicated subpath). Read more
sourcefn array_subpath(
&self,
path: Self::Path,
index: u64,
size: u64
) -> Option<Self::Path>
fn array_subpath(
&self,
path: Self::Path,
index: u64,
size: u64
) -> Option<Self::Path>
Returns the subpath of indexing a fixed-size array path. Read more
sourcefn deref_subpath(&self, path: Self::Path) -> Option<Self::Path>
fn deref_subpath(&self, path: Self::Path) -> Option<Self::Path>
Returns the subpath of a dereference of path (or None if there is no dedicated subpath). Read more
sourcefn downcast_subpath(
&self,
path: Self::Path,
variant: VariantIdx
) -> Option<Self::Path>
fn downcast_subpath(
&self,
path: Self::Path,
variant: VariantIdx
) -> Option<Self::Path>
Returns the subpath of downcasting path to one of its variants. Read more
sourcefn get_drop_flag(&mut self, path: Self::Path) -> Option<Operand<'tcx>>
fn get_drop_flag(&mut self, path: Self::Path) -> Option<Operand<'tcx>>
Returns the drop flag of path as a MIR Operand (or None if path has no drop flag).
Auto Trait Implementations
impl<'a, 'b, 'tcx> !RefUnwindSafe for Elaborator<'a, 'b, 'tcx>
impl<'a, 'b, 'tcx> !Send for Elaborator<'a, 'b, 'tcx>
impl<'a, 'b, 'tcx> !Sync for Elaborator<'a, 'b, 'tcx>
impl<'a, 'b, 'tcx> Unpin for Elaborator<'a, 'b, 'tcx> where
'b: 'a,
'tcx: 'a,
impl<'a, 'b, 'tcx> !UnwindSafe for Elaborator<'a, 'b, 'tcx>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
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: 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