Enum rustc_middle::mir::interpret::error::UnsupportedOpInfo

source · [−]

pub enum UnsupportedOpInfo {
    Unsupported(String),
    PartialPointerOverwrite(Pointer<AllocId>),
    PartialPointerCopy(Pointer<AllocId>),
    ReadPointerAsBytes,
    ThreadLocalStatic(DefId),
    ReadExternStatic(DefId),
}

Expand description

Error information for when the program did something that might (or might not) be correct to do according to the Rust spec, but due to limitations in the interpreter, the operation could not be carried out. These limitations can differ between CTFE and the Miri engine, e.g., CTFE does not support dereferencing pointers at integral addresses.

Variants

`Unsupported(String)`

Free-form case. Only for errors that are never caught!

`PartialPointerOverwrite(Pointer<AllocId>)`

Overwriting parts of a pointer; the resulting state cannot be represented in our Allocation data structure. See https://github.com/rust-lang/miri/issues/2181.

`PartialPointerCopy(Pointer<AllocId>)`

Attempting to copy parts of a pointer to somewhere else; the resulting state cannot be represented in our Allocation data structure. See https://github.com/rust-lang/miri/issues/2181.

`ReadPointerAsBytes`

Encountered a pointer where we needed raw bytes.

`ThreadLocalStatic(DefId)`

Accessing thread local statics

`ReadExternStatic(DefId)`

Accessing an unsupported extern static.

Enum rustc_middle::mir::interpret::error::UnsupportedOpInfo

Variants

Unsupported(String)

PartialPointerOverwrite(Pointer<AllocId>)

PartialPointerCopy(Pointer<AllocId>)

ReadPointerAsBytes

ThreadLocalStatic(DefId)

ReadExternStatic(DefId)

Trait Implementations

impl Display for UnsupportedOpInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Auto Trait Implementations

impl RefUnwindSafe for UnsupportedOpInfo

impl Send for UnsupportedOpInfo

impl Sync for UnsupportedOpInfo

impl Unpin for UnsupportedOpInfo

impl UnwindSafe for UnsupportedOpInfo

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, R> InternIteratorElement<T, R> for T

type Output = R

fn intern_with<I, F>(iter: I, f: F) -> <T as InternIteratorElement<T, R>>::Outputwhere I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> MaybeResult<T> for T

type Error = !

fn from(Result<T, <T as MaybeResult<T>>::Error>) -> T

fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

impl<T> ToString for Twhere T: Display + ?Sized,

default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<CTX, T> Value<CTX> for Twhere CTX: DepContext,

default fn from_cycle_error(tcx: CTX) -> T

impl<'a, T> Captures<'a> for Twhere T: ?Sized,

Layout

`Unsupported(String)`

`PartialPointerOverwrite(Pointer<AllocId>)`

`PartialPointerCopy(Pointer<AllocId>)`

`ReadPointerAsBytes`

`ThreadLocalStatic(DefId)`

`ReadExternStatic(DefId)`

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

fn intern_with<I, F>(iter: I, f: F) -> <T as InternIteratorElement<T, R>>::Outputwhere
I: Iterator<Item = T>,
F: FnOnce(&[T]) -> R,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T> ToString for Twhere
T: Display + ?Sized,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

impl<CTX, T> Value<CTX> for Twhere
CTX: DepContext,

impl<'a, T> Captures<'a> for Twhere
T: ?Sized,