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

source · [−]

pub enum UnsupportedOpInfo {
    Unsupported(String),
    ReadPointerAsBytes,
    PartialPointerOverwrite(Pointer<AllocId>),
    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!

`ReadPointerAsBytes`

Encountered a pointer where we needed raw bytes.

`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.

`ThreadLocalStatic(DefId)`

Accessing thread local statics

`ReadExternStatic(DefId)`

Accessing an unsupported extern static.

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

Variants

Unsupported(String)

ReadPointerAsBytes

PartialPointerOverwrite(Pointer<AllocId>)

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 T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where 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>>::Output where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

impl<T, U> Into<U> for T where 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 T where T: Display + ?Sized,

default fn to_string(&self) -> String

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

type Error = Infallible

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

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

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

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

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

Layout

`Unsupported(String)`

`ReadPointerAsBytes`

`PartialPointerOverwrite(Pointer<AllocId>)`

`ThreadLocalStatic(DefId)`

`ReadExternStatic(DefId)`

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

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

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

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

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

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

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

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

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