struct ConstAnalysis<'a, 'tcx> {
map: Map<'tcx>,
tcx: TyCtxt<'tcx>,
local_decls: &'a LocalDecls<'tcx>,
ecx: InterpCx<'tcx, DummyMachine>,
param_env: ParamEnv<'tcx>,
}
Fields§
§map: Map<'tcx>
§tcx: TyCtxt<'tcx>
§local_decls: &'a LocalDecls<'tcx>
§ecx: InterpCx<'tcx, DummyMachine>
§param_env: ParamEnv<'tcx>
Implementations§
source§impl<'a, 'tcx> ConstAnalysis<'a, 'tcx>
impl<'a, 'tcx> ConstAnalysis<'a, 'tcx>
pub fn new(tcx: TyCtxt<'tcx>, body: &'a Body<'tcx>, map: Map<'tcx>) -> Self
sourcefn assign_operand(
&self,
state: &mut State<FlatSet<Scalar>>,
place: PlaceIndex,
operand: &Operand<'tcx>,
)
fn assign_operand( &self, state: &mut State<FlatSet<Scalar>>, place: PlaceIndex, operand: &Operand<'tcx>, )
The caller must have flooded place
.
sourcefn assign_constant(
&self,
state: &mut State<FlatSet<Scalar>>,
place: PlaceIndex,
operand: OpTy<'tcx>,
projection: &[PlaceElem<'tcx>],
)
fn assign_constant( &self, state: &mut State<FlatSet<Scalar>>, place: PlaceIndex, operand: OpTy<'tcx>, projection: &[PlaceElem<'tcx>], )
The caller must have flooded place
.
Perform: place = operand.projection
.
fn binary_op( &self, state: &mut State<FlatSet<Scalar>>, op: BinOp, left: &Operand<'tcx>, right: &Operand<'tcx>, ) -> (FlatSet<Scalar>, FlatSet<Scalar>)
fn eval_operand( &self, op: &Operand<'tcx>, state: &mut State<FlatSet<Scalar>>, ) -> FlatSet<ImmTy<'tcx>>
fn eval_discriminant( &self, enum_ty: Ty<'tcx>, variant_index: VariantIdx, ) -> Option<Scalar>
fn wrap_immediate(&self, imm: Immediate) -> FlatSet<Scalar>
Trait Implementations§
source§impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx>
impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx>
source§type Value = FlatSet<Scalar>
type Value = FlatSet<Scalar>
For each place of interest, the analysis tracks a value of the given type.
const NAME: &'static str = "ConstAnalysis"
fn map(&self) -> &Map<'tcx>
fn handle_set_discriminant( &self, place: Place<'tcx>, variant_index: VariantIdx, state: &mut State<Self::Value>, )
fn handle_assign( &self, target: Place<'tcx>, rvalue: &Rvalue<'tcx>, state: &mut State<Self::Value>, )
fn handle_rvalue( &self, rvalue: &Rvalue<'tcx>, state: &mut State<Self::Value>, ) -> ValueOrPlace<Self::Value>
fn handle_constant( &self, constant: &ConstOperand<'tcx>, _state: &mut State<Self::Value>, ) -> Self::Value
fn handle_switch_int<'mir>( &self, discr: &'mir Operand<'tcx>, targets: &'mir SwitchTargets, state: &mut State<Self::Value>, ) -> TerminatorEdges<'mir, 'tcx>
fn handle_statement( &self, statement: &Statement<'tcx>, state: &mut State<Self::Value>, )
fn super_statement( &self, statement: &Statement<'tcx>, state: &mut State<Self::Value>, )
fn super_set_discriminant( &self, place: Place<'tcx>, _variant_index: VariantIdx, state: &mut State<Self::Value>, )
fn handle_intrinsic( &self, intrinsic: &NonDivergingIntrinsic<'tcx>, state: &mut State<Self::Value>, )
fn super_intrinsic( &self, intrinsic: &NonDivergingIntrinsic<'tcx>, _state: &mut State<Self::Value>, )
fn super_assign( &self, target: Place<'tcx>, rvalue: &Rvalue<'tcx>, state: &mut State<Self::Value>, )
fn super_rvalue( &self, rvalue: &Rvalue<'tcx>, state: &mut State<Self::Value>, ) -> ValueOrPlace<Self::Value>
fn handle_operand( &self, operand: &Operand<'tcx>, state: &mut State<Self::Value>, ) -> ValueOrPlace<Self::Value>
fn super_operand( &self, operand: &Operand<'tcx>, state: &mut State<Self::Value>, ) -> ValueOrPlace<Self::Value>
fn super_constant( &self, _constant: &ConstOperand<'tcx>, _state: &mut State<Self::Value>, ) -> Self::Value
source§fn handle_terminator<'mir>(
&self,
terminator: &'mir Terminator<'tcx>,
state: &mut State<Self::Value>,
) -> TerminatorEdges<'mir, 'tcx>
fn handle_terminator<'mir>( &self, terminator: &'mir Terminator<'tcx>, state: &mut State<Self::Value>, ) -> TerminatorEdges<'mir, 'tcx>
The effect of a successful function call return should not be
applied here, see
Analysis::apply_terminator_effect
.fn super_terminator<'mir>( &self, terminator: &'mir Terminator<'tcx>, state: &mut State<Self::Value>, ) -> TerminatorEdges<'mir, 'tcx>
fn handle_call_return( &self, return_places: CallReturnPlaces<'_, 'tcx>, state: &mut State<Self::Value>, )
fn super_call_return( &self, return_places: CallReturnPlaces<'_, 'tcx>, state: &mut State<Self::Value>, )
fn super_switch_int<'mir>( &self, discr: &'mir Operand<'tcx>, targets: &'mir SwitchTargets, _state: &mut State<Self::Value>, ) -> TerminatorEdges<'mir, 'tcx>
fn wrap(self) -> ValueAnalysisWrapper<Self>where
Self: Sized,
Auto Trait Implementations§
impl<'a, 'tcx> !Freeze for ConstAnalysis<'a, 'tcx>
impl<'a, 'tcx> !RefUnwindSafe for ConstAnalysis<'a, 'tcx>
impl<'a, 'tcx> !Send for ConstAnalysis<'a, 'tcx>
impl<'a, 'tcx> !Sync for ConstAnalysis<'a, 'tcx>
impl<'a, 'tcx> Unpin for ConstAnalysis<'a, 'tcx>
impl<'a, 'tcx> !UnwindSafe for ConstAnalysis<'a, 'tcx>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T, R> CollectAndApply<T, R> for T
impl<T, R> CollectAndApply<T, R> for T
source§impl<T> Filterable for T
impl<T> Filterable for T
source§fn filterable(
self,
filter_name: &'static str,
) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>
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
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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 moresource§impl<P> IntoQueryParam<P> for P
impl<P> IntoQueryParam<P> for P
fn into_query_param(self) -> P
source§impl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
source§impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
source§impl<I, T> UpcastFrom<I, T> for T
impl<I, T> UpcastFrom<I, T> for T
fn upcast_from(from: T, _tcx: I) -> T
source§impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T
source§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
source§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
impl<'a, T> Captures<'a> for Twhere
T: ?Sized,
impl<'a, T> Captures<'a> for Twhere
T: ?Sized,
impl<T> ErasedDestructor for Twhere
T: 'static,
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: 376 bytes