Add a simple API to reject promises with DOM error values.

This commit is contained in:
Josh Matthews 2016-09-06 19:58:26 -04:00
parent ae81ab3972
commit 27d44c8d10
5 changed files with 35 additions and 2 deletions

View file

@ -19,6 +19,7 @@ use js::jsapi::JS_ErrorFromException;
use js::jsapi::JS_GetPendingException;
use js::jsapi::JS_IsExceptionPending;
use js::jsapi::JS_SetPendingException;
use js::jsapi::MutableHandleValue;
use js::jsval::UndefinedValue;
use libc::c_uint;
use std::slice::from_raw_parts;
@ -266,3 +267,14 @@ pub unsafe fn throw_invalid_this(cx: *mut JSContext, proto_id: u16) {
proto_id_to_name(proto_id));
throw_type_error(cx, &error);
}
impl Error {
/// Convert this error value to a JS value, consuming it in the process.
pub unsafe fn to_jsval(self, cx: *mut JSContext, global: GlobalRef, rval: MutableHandleValue) {
assert!(!JS_IsExceptionPending(cx));
throw_dom_exception(cx, global, self);
assert!(JS_IsExceptionPending(cx));
assert!(JS_GetPendingException(cx, rval));
JS_ClearPendingException(cx);
}
}