Struct JSRuntime

#[repr(C)]
pub struct JSRuntime(/* private fields */);

JSRuntime represents a Javascript runtime corresponding to an object heap. Several runtimes can exist at the same time but they cannot exchange objects. Inside a given runtime, no multi-threading is supported.

Implementations

impl JSRuntime

pub fn new() -> OwnedJSRuntime

Create a new JSRuntime. use JS_NewJSRuntime internally.

pub unsafe fn set_host_promise_rejection_tracker( &mut self, tracker: Option<unsafe extern "C" fn(ctx: *mut JSContext, promise: JSValue, reason: JSValue, is_handled: c_int, opaque: *mut c_void)>, opaque: *mut c_void, )

Set callback to handle host promise rejection. use JS_SetHostPromiseRejectionTracker internally.

Safety

TODO: will use fn mapping or proc macro to abstract the unsafe

pub fn execute_pending_job(&mut self) -> Result<bool, JSContextException<'_>>

Executes next pending job, returns JSContextException if exception, false if no job pending, true if a job was executed successfully. use JS_ExecutePendingJob internally.

pub fn free(&mut self)

Free the JSRuntime. use JS_FreeRuntime internally.

Trait Implementations

impl Clone for JSRuntime

fn clone(&self) -> JSRuntime

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JSRuntime

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

Formats the value using the given formatter.

impl Copy for JSRuntime