Struct rustc_borrowck::location::LocationTable
source · pub struct LocationTable {
num_points: usize,
statements_before_block: IndexVec<BasicBlock, usize>,
}
Expand description
Maps between a MIR Location, which identifies a particular
statement within a basic block, to a “rich location”, which
identifies at a finer granularity. In particular, we distinguish
the start of a statement and the mid-point. The mid-point is
the point just before the statement takes effect; in particular,
for an assignment A = B
, it is the point where B is about to be
written into A. This mid-point is a kind of hack to work around
our inability to track the position information at sufficient
granularity through outlives relations; however, the rich location
table serves another purpose: it compresses locations from
multiple words into a single u32.
Fields§
§num_points: usize
§statements_before_block: IndexVec<BasicBlock, usize>
Implementations§
source§impl LocationTable
impl LocationTable
pub(crate) fn new(body: &Body<'_>) -> Self
pub fn all_points(&self) -> impl Iterator<Item = LocationIndex>
pub fn start_index(&self, location: Location) -> LocationIndex
pub fn mid_index(&self, location: Location) -> LocationIndex
pub fn to_location(&self, index: LocationIndex) -> RichLocation
Auto Trait Implementations§
impl Freeze for LocationTable
impl RefUnwindSafe for LocationTable
impl Send for LocationTable
impl Sync for LocationTable
impl Unpin for LocationTable
impl UnwindSafe for LocationTable
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
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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>
source§impl<T> Instrument for T
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source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
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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>
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
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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>
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if into_left(&self)
returns true
.
Converts self
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impl<P> IntoQueryParam<P> for P
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source§impl<Tcx, T> Value<Tcx> for Twhere
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source§impl<T> WithSubscriber for T
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source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
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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: 32 bytes