Struct wasmer::RuntimeError

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pub struct RuntimeError { /* private fields */ }

Expand description

A struct representing an aborted instruction execution, with a message indicating the cause.

Implementations

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impl RuntimeError

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pub fn new(message: I) -> RuntimeError where
I: Into<String>,

Creates a new generic RuntimeError with the given message.

Example

let trap = wasmer_engine::RuntimeError::new("unexpected error");
assert_eq!("unexpected error", trap.message());

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pub fn from_trap(trap: Trap) -> RuntimeError

Create a new RuntimeError from a Trap.

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pub fn raise(error: Box<dyn Error + Sync + Send + 'static, Global>) -> !

👎 Deprecated since 2.1.1:

return a Result from host functions instead

Raises a custom user Error

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pub fn user(
error: Box<dyn Error + Sync + Send + 'static, Global>
) -> RuntimeError

Creates a custom user Error.

This error object can be passed through Wasm frames and later retrieved using the downcast method.

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pub fn message(&self) -> String

Returns a reference the message stored in Trap.

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pub fn trace(&self) -> &[FrameInfo ]

Returns a list of function frames in WebAssembly code that led to this trap happening.

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pub fn downcast<T>(self) -> Result<T, RuntimeError> where
T: 'static + Error,

Attempts to downcast the RuntimeError to a concrete type.

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pub fn to_trap(self) -> Option<TrapCode>

Returns trap code, if it’s a Trap

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pub fn is<T>(&self) -> bool where
T: 'static + Error,

Returns true if the RuntimeError is the same as T

Trait Implementations

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impl Clone for RuntimeError

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pub fn clone(&self) -> RuntimeError

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for RuntimeError

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

Formats the value using the given formatter. Read more

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impl Display for RuntimeError

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

Formats the value using the given formatter. Read more

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impl Error for RuntimeError

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pub fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more

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fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. Read more

1.0.0 · source

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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impl From<Trap> for RuntimeError

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pub fn from(trap: Trap) -> RuntimeError

Performs the conversion.

Auto Trait Implementations

impl !RefUnwindSafe for RuntimeError

impl Send for RuntimeError

impl Sync for RuntimeError

impl Unpin for RuntimeError

impl !UnwindSafe for RuntimeError

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

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pub fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

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

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
 W: DeserializeWith<F, T, D>,
 D: Fallible + ?Sized,
 F: ?Sized,

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pub fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pointable for T

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pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Pointee for T

type Metadata = ()

The type for metadata in pointers and references to Self.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

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pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct wasmer::RuntimeError

Implementations

impl RuntimeError

pub fn new<I>(message: I) -> RuntimeError where I: Into<String>,

pub fn from_trap(trap: Trap) -> RuntimeError

pub fn raise(error: Box<dyn Error + Sync + Send + 'static, Global>) -> !

pub fn user( error: Box<dyn Error + Sync + Send + 'static, Global>) -> RuntimeError

pub fn message(&self) -> String

pub fn trace(&self) -> &[FrameInfo]

pub fn downcast<T>(self) -> Result<T, RuntimeError> where T: 'static + Error,

pub fn to_trap(self) -> Option<TrapCode>

pub fn is<T>(&self) -> bool where T: 'static + Error,

Trait Implementations

impl Clone for RuntimeError

pub fn clone(&self) -> RuntimeError

fn clone_from(&mut self, source: &Self)

impl Debug for RuntimeError

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

impl Display for RuntimeError

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

impl Error for RuntimeError

pub fn source(&self) -> Option<&(dyn Error + 'static)>

fn backtrace(&self) -> Option<&Backtrace>

fn description(&self) -> &str

fn cause(&self) -> Option<&dyn Error>

impl From<Trap> for RuntimeError

pub fn from(trap: Trap) -> RuntimeError

Auto Trait Implementations

impl !RefUnwindSafe for RuntimeError

impl Send for RuntimeError

impl Sync for RuntimeError

impl Unpin for RuntimeError

impl !UnwindSafe for RuntimeError

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

pub fn pointer_metadata( &<T as ArchivePointee>::ArchivedMetadata) -> <T as Pointee>::Metadata

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

pub fn borrow(&self) -> &T

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

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

pub fn deserialize( &self, deserializer: &mut D) -> Result<With<T, W>, <D as Fallible>::Error>

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

pub fn into(self) -> U

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> Pointee for T

type Metadata = ()

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

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

pub default fn to_string(&self) -> String

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

type Error = Infallible

pub 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

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

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

pub fn new<I>(message: I) -> RuntimeError where
I: Into<String>,

pub fn user(
error: Box<dyn Error + Sync + Send + 'static, Global>
) -> RuntimeError

pub fn trace(&self) -> &[FrameInfo ]

pub fn downcast<T>(self) -> Result<T, RuntimeError> where
T: 'static + Error,

pub fn is<T>(&self) -> bool where
T: 'static + Error,

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

pub fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

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

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
W: DeserializeWith<F, T, D>,
D: Fallible + ?Sized,
F: ?Sized,

pub fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

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

impl<T> ToOwned for T where
T: Clone,

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>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,