Enum wasmtime_runtime::TrapReason

pub enum TrapReason {
    User {
        error: Error,
        needs_backtrace: bool,
    },
    Jit(usize),
    Wasm(TrapCode),
}

Enumeration of different methods of raising a trap.

Variants

User

Fields

error: Error

The actual user trap error.

needs_backtrace: bool

Whether we need to capture a backtrace for this error or not.

A user-raised trap through raise_user_trap.

Jit(usize)

A trap raised from Cranelift-generated code with the pc listed of where the trap came from.

Wasm(TrapCode)

A trap raised from a wasm libcall

Implementations

impl TrapReason

pub fn user_without_backtrace(error: Error) -> Self

Create a new TrapReason::User that does not have a backtrace yet.

pub fn user_with_backtrace(error: Error) -> Self

Create a new TrapReason::User that already has a backtrace.

pub fn is_jit(&self) -> bool

Is this a JIT trap?

Trait Implementations

impl Debug for TrapReason

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

Formats the value using the given formatter.

impl From<Error> for TrapReason

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<TrapCode> for TrapReason

fn from(code: TrapCode) -> Self

Converts to this type from the input type.