Enum wasmtime::CallHook

pub enum CallHook {
    CallingWasm,
    ReturningFromWasm,
    CallingHost,
    ReturningFromHost,
}

Passed to the argument of [Store::call_hook] to indicate a state transition in the WebAssembly VM.

Variants

CallingWasm

Indicates the VM is calling a WebAssembly function, from the host.

ReturningFromWasm

Indicates the VM is returning from a WebAssembly function, to the host.

CallingHost

Indicates the VM is calling a host function, from WebAssembly.

ReturningFromHost

Indicates the VM is returning from a host function, to WebAssembly.

Implementations

impl CallHook

pub fn entering_host(&self) -> bool

Indicates the VM is entering host code (exiting WebAssembly code)

pub fn exiting_host(&self) -> bool

Indicates the VM is exiting host code (entering WebAssembly code)

Trait Implementations

impl Clone for CallHook

fn clone(&self) -> CallHook

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for CallHook

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

Formats the value using the given formatter.

impl Copy for CallHook