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refactor(core): simplify op types and codegeneration (#18843)

Browse source 
About 2% improvement on WS/HTTP benchmarks, possibly unlocking more
optimizations in the future.

---------

Co-authored-by: Matt Mastracci <matthew@mastracci.com>
This commit is contained in:
Bartek Iwańczuk 2023-04-26 20:02:27 +02:00 committed by GitHub
parent 14aaa73c02
commit 77e25a656e
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 262 additions and 268 deletions
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7
core/lib.rs
View file

@ -89,11 +89,8 @@ pub use crate::modules::ModuleType;
pub use crate::modules::NoopModuleLoader;
pub use crate::modules::ResolutionKind;
pub use crate::normalize_path::normalize_path;
pub use crate::ops::Op;
pub use crate::ops::OpAsyncFuture;
pub use crate::ops::OpCall;
pub use crate::ops::OpError;
pub use crate::ops::OpFn;
pub use crate::ops::OpId;
pub use crate::ops::OpResult;
pub use crate::ops::OpState;
@ -135,6 +132,10 @@ pub mod _ops {
pub use super::ops::to_op_result;
pub use super::ops::OpCtx;
pub use super::ops::OpResult;
pub use super::runtime::map_async_op1;
pub use super::runtime::map_async_op2;
pub use super::runtime::map_async_op3;
pub use super::runtime::map_async_op4;
pub use super::runtime::queue_async_op;
pub use super::runtime::queue_fast_async_op;
pub use super::runtime::V8_WRAPPER_OBJECT_INDEX;

119
core/ops.rs
View file

@ -8,12 +8,10 @@ use crate::runtime::JsRuntimeState;
use crate::OpDecl;
use crate::OpsTracker;
use anyhow::Error;
use futures::future::maybe_done;
use futures::future::FusedFuture;
use futures::future::MaybeDone;
use futures::ready;
use futures::task::noop_waker;
use futures::Future;
use futures::FutureExt;
use pin_project::pin_project;
use serde::Serialize;
use std::cell::RefCell;
use std::ops::Deref;
@ -22,91 +20,78 @@ use std::pin::Pin;
use std::ptr::NonNull;
use std::rc::Rc;
use std::rc::Weak;
use std::task::Context;
use std::task::Poll;
use v8::fast_api::CFunctionInfo;
use v8::fast_api::CTypeInfo;
/// Wrapper around a Future, which causes that Future to be polled immediately.
///
/// Background: ops are stored in a `FuturesUnordered` structure which polls
/// them, but without the `OpCall` wrapper this doesn't happen until the next
/// turn of the event loop, which is too late for certain ops.
pub struct OpCall<T>(MaybeDone<Pin<Box<dyn Future<Output = T>>>>);
pub type RealmIdx = u16;
pub type PromiseId = i32;
pub type OpId = u16;
pub enum EagerPollResult<T> {
Ready(T),
Pending(OpCall<T>),
#[pin_project]
pub struct OpCall {
realm_idx: RealmIdx,
promise_id: PromiseId,
op_id: OpId,
/// Future is not necessarily Unpin, so we need to pin_project.
#[pin]
fut: MaybeDone<Pin<Box<dyn Future<Output = OpResult>>>>,
}
impl<T> OpCall<T> {
/// Wraps a future, and polls the inner future immediately.
/// This should be the default choice for ops.
pub fn eager(fut: impl Future<Output = T> + 'static) -> EagerPollResult<T> {
let boxed = Box::pin(fut) as Pin<Box<dyn Future<Output = T>>>;
let mut inner = maybe_done(boxed);
let waker = noop_waker();
let mut cx = Context::from_waker(&waker);
let mut pinned = Pin::new(&mut inner);
let poll = pinned.as_mut().poll(&mut cx);
match poll {
Poll::Ready(_) => EagerPollResult::Ready(pinned.take_output().unwrap()),
_ => EagerPollResult::Pending(Self(inner)),
}
}
impl OpCall {
/// Wraps a future; the inner future is polled the usual way (lazily).
pub fn lazy(fut: impl Future<Output = T> + 'static) -> Self {
let boxed = Box::pin(fut) as Pin<Box<dyn Future<Output = T>>>;
let inner = maybe_done(boxed);
Self(inner)
pub fn pending(
op_ctx: &OpCtx,
promise_id: PromiseId,
fut: Pin<Box<dyn Future<Output = OpResult> + 'static>>,
) -> Self {
Self {
realm_idx: op_ctx.realm_idx,
op_id: op_ctx.id,
promise_id,
fut: MaybeDone::Future(fut),
}
}
/// Create a future by specifying its output. This is basically the same as
/// `async { value }` or `futures::future::ready(value)`.
pub fn ready(value: T) -> Self {
Self(MaybeDone::Done(value))
pub fn ready(op_ctx: &OpCtx, promise_id: PromiseId, value: OpResult) -> Self {
Self {
realm_idx: op_ctx.realm_idx,
op_id: op_ctx.id,
promise_id,
fut: MaybeDone::Done(value),
}
}
}
impl<T> Future for OpCall<T> {
type Output = T;
impl Future for OpCall {
type Output = (RealmIdx, PromiseId, OpId, OpResult);
fn poll(
self: std::pin::Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<Self::Output> {
// TODO(piscisaureus): safety comment
#[allow(clippy::undocumented_unsafe_blocks)]
let inner = unsafe { &mut self.get_unchecked_mut().0 };
let mut pinned = Pin::new(inner);
ready!(pinned.as_mut().poll(cx));
Poll::Ready(pinned.as_mut().take_output().unwrap())
let realm_idx = self.realm_idx;
let promise_id = self.promise_id;
let op_id = self.op_id;
let fut = &mut *self.project().fut;
match fut {
MaybeDone::Done(_) => {
// Let's avoid using take_output as it keeps our Pin::box
let res = std::mem::replace(fut, MaybeDone::Gone);
let MaybeDone::Done(res) = res
else {
unreachable!()
};
std::task::Poll::Ready(res)
}
MaybeDone::Future(f) => f.poll_unpin(cx),
MaybeDone::Gone => std::task::Poll::Pending,
}
.map(move |res| (realm_idx, promise_id, op_id, res))
}
}
impl<F> FusedFuture for OpCall<F>
where
F: Future,
{
fn is_terminated(&self) -> bool {
self.0.is_terminated()
}
}
pub type RealmIdx = usize;
pub type PromiseId = i32;
pub type OpAsyncFuture = OpCall<(PromiseId, OpId, OpResult)>;
pub type OpFn =
fn(&mut v8::HandleScope, v8::FunctionCallbackArguments, v8::ReturnValue);
pub type OpId = usize;
pub enum Op {
Sync(OpResult),
Async(OpAsyncFuture),
NotFound,
}
pub enum OpResult {
Ok(serde_v8::SerializablePkg),
Err(OpError),

2
core/ops_metrics.rs
View file

@ -63,7 +63,7 @@ impl OpsTracker {
#[inline]
fn metrics_mut(&self, id: OpId) -> RefMut<OpMetrics> {
RefMut::map(self.ops.borrow_mut(), |ops| &mut ops[id])
RefMut::map(self.ops.borrow_mut(), |ops| &mut ops[id as usize])
}
#[inline]

156
core/runtime.rs
View file

@ -35,8 +35,10 @@ use futures::channel::oneshot;
use futures::future::poll_fn;
use futures::future::Future;
use futures::future::FutureExt;
use futures::future::MaybeDone;
use futures::stream::FuturesUnordered;
use futures::stream::StreamExt;
use futures::task::noop_waker;
use futures::task::AtomicWaker;
use smallvec::SmallVec;
use std::any::Any;
@ -45,6 +47,7 @@ use std::collections::HashMap;
use std::collections::VecDeque;
use std::ffi::c_void;
use std::option::Option;
use std::pin::Pin;
use std::rc::Rc;
use std::sync::Arc;
use std::sync::Mutex;
@ -53,8 +56,6 @@ use std::task::Context;
use std::task::Poll;
use v8::OwnedIsolate;
type PendingOpFuture = OpCall<(RealmIdx, PromiseId, OpId, OpResult)>;
pub enum Snapshot {
Static(&'static [u8]),
JustCreated(v8::StartupData),
@ -165,7 +166,7 @@ pub struct JsRuntimeState {
dyn_module_evaluate_idle_counter: u32,
pub(crate) source_map_getter: Option<Rc<Box<dyn SourceMapGetter>>>,
pub(crate) source_map_cache: Rc<RefCell<SourceMapCache>>,
pub(crate) pending_ops: FuturesUnordered<PendingOpFuture>,
pub(crate) pending_ops: FuturesUnordered<OpCall>,
pub(crate) have_unpolled_ops: bool,
pub(crate) op_state: Rc<RefCell<OpState>>,
pub(crate) shared_array_buffer_store: Option<SharedArrayBufferStore>,
@ -360,7 +361,7 @@ impl JsRuntime {
.into_iter()
.enumerate()
.map(|(id, decl)| {
OpCtx::new(id, 0, Rc::new(decl), op_state.clone(), weak.clone())
OpCtx::new(id as u16, 0, Rc::new(decl), op_state.clone(), weak.clone())
})
.collect::<Vec<_>>()
.into_boxed_slice();
@ -610,7 +611,7 @@ impl JsRuntime {
/// constructed.
pub fn create_realm(&mut self) -> Result<JsRealm, Error> {
let realm = {
let realm_idx = self.state.borrow().known_realms.len();
let realm_idx = self.state.borrow().known_realms.len() as u16;
let op_ctxs: Box<[OpCtx]> = self
.global_realm()
@ -2231,7 +2232,7 @@ impl JsRuntime {
{
let (realm_idx, promise_id, op_id, resp) = item;
state.op_state.borrow().tracker.track_async_completed(op_id);
responses_per_realm[realm_idx].push((promise_id, resp));
responses_per_realm[realm_idx as usize].push((promise_id, resp));
}
}
@ -2335,7 +2336,7 @@ impl JsRuntime {
{
let (realm_idx, promise_id, op_id, mut resp) = item;
debug_assert_eq!(
state.known_realms[realm_idx],
state.known_realms[realm_idx as usize],
state.global_realm.as_ref().unwrap().context()
);
realm_state.unrefed_ops.remove(&promise_id);
@ -2382,27 +2383,106 @@ impl JsRuntime {
}
#[inline]
pub fn queue_fast_async_op(
pub fn queue_fast_async_op<R: serde::Serialize + 'static>(
ctx: &OpCtx,
op: impl Future<Output = (RealmIdx, PromiseId, OpId, OpResult)> + 'static,
promise_id: PromiseId,
op: impl Future<Output = Result<R, Error>> + 'static,
) {
let runtime_state = match ctx.runtime_state.upgrade() {
Some(rc_state) => rc_state,
// atleast 1 Rc is held by the JsRuntime.
None => unreachable!(),
};
let get_class = {
let state = RefCell::borrow(&ctx.state);
state.tracker.track_async(ctx.id);
state.get_error_class_fn
};
let fut = op
.map(|result| crate::_ops::to_op_result(get_class, result))
.boxed_local();
let mut state = runtime_state.borrow_mut();
state.pending_ops.push(OpCall::lazy(op));
state
.pending_ops
.push(OpCall::pending(ctx, promise_id, fut));
state.have_unpolled_ops = true;
}
#[inline]
pub fn map_async_op1<R: serde::Serialize + 'static>(
ctx: &OpCtx,
op: impl Future<Output = Result<R, Error>> + 'static,
) -> MaybeDone<Pin<Box<dyn Future<Output = OpResult>>>> {
let get_class = {
let state = RefCell::borrow(&ctx.state);
state.tracker.track_async(ctx.id);
state.get_error_class_fn
};
let fut = op
.map(|result| crate::_ops::to_op_result(get_class, result))
.boxed_local();
MaybeDone::Future(fut)
}
#[inline]
pub fn map_async_op2<R: serde::Serialize + 'static>(
ctx: &OpCtx,
op: impl Future<Output = R> + 'static,
) -> MaybeDone<Pin<Box<dyn Future<Output = OpResult>>>> {
let state = RefCell::borrow(&ctx.state);
state.tracker.track_async(ctx.id);
let fut = op.map(|result| OpResult::Ok(result.into())).boxed_local();
MaybeDone::Future(fut)
}
#[inline]
pub fn map_async_op3<R: serde::Serialize + 'static>(
ctx: &OpCtx,
op: Result<impl Future<Output = Result<R, Error>> + 'static, Error>,
) -> MaybeDone<Pin<Box<dyn Future<Output = OpResult>>>> {
let get_class = {
let state = RefCell::borrow(&ctx.state);
state.tracker.track_async(ctx.id);
state.get_error_class_fn
};
match op {
Err(err) => MaybeDone::Done(OpResult::Err(OpError::new(get_class, err))),
Ok(fut) => MaybeDone::Future(
fut
.map(|result| crate::_ops::to_op_result(get_class, result))
.boxed_local(),
),
}
}
#[inline]
pub fn map_async_op4<R: serde::Serialize + 'static>(
ctx: &OpCtx,
op: Result<impl Future<Output = R> + 'static, Error>,
) -> MaybeDone<Pin<Box<dyn Future<Output = OpResult>>>> {
let get_class = {
let state = RefCell::borrow(&ctx.state);
state.tracker.track_async(ctx.id);
state.get_error_class_fn
};
match op {
Err(err) => MaybeDone::Done(OpResult::Err(OpError::new(get_class, err))),
Ok(fut) => MaybeDone::Future(
fut.map(|result| OpResult::Ok(result.into())).boxed_local(),
),
}
}
pub fn queue_async_op<'s>(
ctx: &OpCtx,
scope: &'s mut v8::HandleScope,
deferred: bool,
op: impl Future<Output = (RealmIdx, PromiseId, OpId, OpResult)> + 'static,
promise_id: PromiseId,
mut op: MaybeDone<Pin<Box<dyn Future<Output = OpResult>>>>,
) -> Option<v8::Local<'s, v8::Value>> {
let runtime_state = match ctx.runtime_state.upgrade() {
Some(rc_state) => rc_state,
@ -2415,32 +2495,40 @@ pub fn queue_async_op<'s>(
// deno_core doesn't currently support such exposure, even though embedders
// can cause them, so we panic in debug mode (since the check is expensive).
debug_assert_eq!(
runtime_state.borrow().known_realms[ctx.realm_idx].to_local(scope),
runtime_state.borrow().known_realms[ctx.realm_idx as usize].to_local(scope),
Some(scope.get_current_context())
);
match OpCall::eager(op) {
// If the result is ready we'll just return it straight to the caller, so
// we don't have to invoke a JS callback to respond. // This works under the
// assumption that `()` return value is serialized as `null`.
EagerPollResult::Ready((_, _, op_id, mut resp)) if !deferred => {
let resp = resp.to_v8(scope).unwrap();
ctx.state.borrow_mut().tracker.track_async_completed(op_id);
return Some(resp);
}
EagerPollResult::Ready(op) => {
let ready = OpCall::ready(op);
let mut state = runtime_state.borrow_mut();
state.pending_ops.push(ready);
state.have_unpolled_ops = true;
}
EagerPollResult::Pending(op) => {
let mut state = runtime_state.borrow_mut();
state.pending_ops.push(op);
state.have_unpolled_ops = true;
}
}
// All ops are polled immediately
let waker = noop_waker();
let mut cx = Context::from_waker(&waker);
// Note that MaybeDone returns () from the future
let op_call = match op.poll_unpin(&mut cx) {
Poll::Pending => {
let MaybeDone::Future(fut) = op else {
unreachable!()
};
OpCall::pending(ctx, promise_id, fut)
}
Poll::Ready(_) => {
let mut op_result = Pin::new(&mut op).take_output().unwrap();
// If the op is ready and is not marked as deferred we can immediately return
// the result.
if !deferred {
ctx.state.borrow_mut().tracker.track_async_completed(ctx.id);
return Some(op_result.to_v8(scope).unwrap());
}
OpCall::ready(ctx, promise_id, op_result)
}
};
// Otherwise we will push it to the `pending_ops` and let it be polled again
// or resolved on the next tick of the event loop.
let mut state = runtime_state.borrow_mut();
state.pending_ops.push(op_call);
state.have_unpolled_ops = true;
None
}

35
ops/fast_call.rs
View file

@ -245,41 +245,16 @@ pub(crate) fn generate(
}
if optimizer.is_async {
// Referenced variables are declared in parent block.
let track_async = q!({
let __op_id = __ctx.id;
let __state = ::std::cell::RefCell::borrow(&__ctx.state);
__state.tracker.track_async(__op_id);
});
output_transforms.push_tokens(&track_async);
let queue_future = if optimizer.returns_result {
q!({
let realm_idx = __ctx.realm_idx;
let __get_class = __state.get_error_class_fn;
let result = _ops::queue_fast_async_op(__ctx, async move {
let result = result.await;
(
realm_idx,
__promise_id,
__op_id,
_ops::to_op_result(__get_class, result),
)
});
let result = _ops::queue_fast_async_op(__ctx, __promise_id, result);
})
} else {
q!({
let realm_idx = __ctx.realm_idx;
let result = _ops::queue_fast_async_op(__ctx, async move {
let result = result.await;
(
realm_idx,
__promise_id,
__op_id,
_ops::OpResult::Ok(result.into()),
)
});
let result =
_ops::queue_fast_async_op(__ctx, __promise_id, async move {
Ok(result.await)
});
})
};

88
ops/lib.rs
View file

@ -258,32 +258,55 @@ fn codegen_v8_async(
let (arg_decls, args_tail, _) = codegen_args(core, f, rust_i0, 1, asyncness);
let type_params = exclude_lifetime_params(&f.sig.generics.params);
let (pre_result, mut result_fut) = match asyncness {
true => (
quote! {},
quote! { Self::call::<#type_params>(#args_head #args_tail).await; },
),
false => (
quote! { let result_fut = Self::call::<#type_params>(#args_head #args_tail); },
quote! { result_fut.await; },
),
};
let result_wrapper = match is_result(&f.sig.output) {
true => {
// Support `Result<impl Future<Output = Result<T, AnyError>> + 'static, AnyError>`
if !asyncness {
result_fut = quote! { result_fut; };
quote! {
let result = match result {
Ok(fut) => fut.await,
Err(e) => return (realm_idx, promise_id, op_id, #core::_ops::to_op_result::<()>(get_class, Err(e))),
};
}
} else {
quote! {}
let wrapper = match (asyncness, is_result(&f.sig.output)) {
(true, true) => {
quote! {
let fut = #core::_ops::map_async_op1(ctx, Self::call::<#type_params>(#args_head #args_tail));
let maybe_response = #core::_ops::queue_async_op(
ctx,
scope,
#deferred,
promise_id,
fut,
);
}
}
(true, false) => {
quote! {
let fut = #core::_ops::map_async_op2(ctx, Self::call::<#type_params>(#args_head #args_tail));
let maybe_response = #core::_ops::queue_async_op(
ctx,
scope,
#deferred,
promise_id,
fut,
);
}
}
(false, true) => {
quote! {
let fut = #core::_ops::map_async_op3(ctx, Self::call::<#type_params>(#args_head #args_tail));
let maybe_response = #core::_ops::queue_async_op(
ctx,
scope,
#deferred,
promise_id,
fut,
);
}
}
(false, false) => {
quote! {
let fut = #core::_ops::map_async_op4(ctx, Self::call::<#type_params>(#args_head #args_tail));
let maybe_response = #core::_ops::queue_async_op(
ctx,
scope,
#deferred,
promise_id,
fut,
);
}
}
false => quote! { let result = Ok(result); },
};
quote! {
@ -293,8 +316,6 @@ fn codegen_v8_async(
&*(#core::v8::Local::<#core::v8::External>::cast(args.data()).value()
as *const #core::_ops::OpCtx)
};
let op_id = ctx.id;
let realm_idx = ctx.realm_idx;
let promise_id = args.get(0);
let promise_id = #core::v8::Local::<#core::v8::Integer>::try_from(promise_id)
@ -310,20 +331,7 @@ fn codegen_v8_async(
};
#arg_decls
// Track async call & get copy of get_error_class_fn
let get_class = {
let state = ::std::cell::RefCell::borrow(&ctx.state);
state.tracker.track_async(op_id);
state.get_error_class_fn
};
#pre_result
let maybe_response = #core::_ops::queue_async_op(ctx, scope, #deferred, async move {
let result = #result_fut
#result_wrapper
(realm_idx, promise_id, op_id, #core::_ops::to_op_result(get_class, result))
});
#wrapper
if let Some(response) = maybe_response {
rv.set(response);

30
ops/optimizer_tests/async_nop.out
View file

@ -56,8 +56,6 @@ impl op_void_async {
&*(deno_core::v8::Local::<deno_core::v8::External>::cast(args.data()).value()
as *const deno_core::_ops::OpCtx)
};
let op_id = ctx.id;
let realm_idx = ctx.realm_idx;
let promise_id = args.get(0);
let promise_id = deno_core::v8::Local::<
deno_core::v8::Integer,
@ -74,25 +72,13 @@ impl op_void_async {
return;
}
};
let get_class = {
let state = ::std::cell::RefCell::borrow(&ctx.state);
state.tracker.track_async(op_id);
state.get_error_class_fn
};
let fut = deno_core::_ops::map_async_op2(ctx, Self::call());
let maybe_response = deno_core::_ops::queue_async_op(
ctx,
scope,
false,
async move {
let result = Self::call().await;
let result = Ok(result);
(
realm_idx,
promise_id,
op_id,
deno_core::_ops::to_op_result(get_class, result),
)
},
promise_id,
fut,
);
if let Some(response) = maybe_response {
rv.set(response);
@ -116,16 +102,10 @@ fn op_void_async_fast_fn<'scope>(
};
let op_state = __ctx.state.clone();
let result = op_void_async::call();
let __op_id = __ctx.id;
let __state = ::std::cell::RefCell::borrow(&__ctx.state);
__state.tracker.track_async(__op_id);
let realm_idx = __ctx.realm_idx;
let result = _ops::queue_fast_async_op(
__ctx,
async move {
let result = result.await;
(realm_idx, __promise_id, __op_id, _ops::OpResult::Ok(result.into()))
},
__promise_id,
async move { Ok(result.await) },
);
result
}

35
ops/optimizer_tests/async_result.out
View file

@ -56,8 +56,6 @@ impl op_async_result {
&*(deno_core::v8::Local::<deno_core::v8::External>::cast(args.data()).value()
as *const deno_core::_ops::OpCtx)
};
let op_id = ctx.id;
let realm_idx = ctx.realm_idx;
let promise_id = args.get(0);
let promise_id = deno_core::v8::Local::<
deno_core::v8::Integer,
@ -85,24 +83,16 @@ impl op_async_result {
return deno_core::_ops::throw_type_error(scope, msg);
}
};
let get_class = {
let state = ::std::cell::RefCell::borrow(&ctx.state);
state.tracker.track_async(op_id);
state.get_error_class_fn
};
let fut = deno_core::_ops::map_async_op1(
ctx,
Self::call(ctx.state.clone(), arg_0),
);
let maybe_response = deno_core::_ops::queue_async_op(
ctx,
scope,
false,
async move {
let result = Self::call(ctx.state.clone(), arg_0).await;
(
realm_idx,
promise_id,
op_id,
deno_core::_ops::to_op_result(get_class, result),
)
},
promise_id,
fut,
);
if let Some(response) = maybe_response {
rv.set(response);
@ -127,16 +117,5 @@ fn op_async_result_fast_fn<'scope>(
};
let state = __ctx.state.clone();
let result = op_async_result::call(state, rid);
let __op_id = __ctx.id;
let __state = ::std::cell::RefCell::borrow(&__ctx.state);
__state.tracker.track_async(__op_id);
let realm_idx = __ctx.realm_idx;
let __get_class = __state.get_error_class_fn;
let result = _ops::queue_fast_async_op(
__ctx,
async move {
let result = result.await;
(realm_idx, __promise_id, __op_id, _ops::to_op_result(__get_class, result))
},
);
let result = _ops::queue_fast_async_op(__ctx, __promise_id, result);
}

29
ops/optimizer_tests/issue16934.out
View file

@ -50,8 +50,6 @@ impl send_stdin {
&*(deno_core::v8::Local::<deno_core::v8::External>::cast(args.data()).value()
as *const deno_core::_ops::OpCtx)
};
let op_id = ctx.id;
let realm_idx = ctx.realm_idx;
let promise_id = args.get(0);
let promise_id = deno_core::v8::Local::<
deno_core::v8::Integer,
@ -79,28 +77,19 @@ impl send_stdin {
);
}
};
let get_class = {
let state = ::std::cell::RefCell::borrow(&ctx.state);
state.tracker.track_async(op_id);
state.get_error_class_fn
};
let fut = deno_core::_ops::map_async_op1(
ctx,
Self::call(
compile_error!("mutable opstate is not supported in async ops"),
arg_0,
),
);
let maybe_response = deno_core::_ops::queue_async_op(
ctx,
scope,
false,
async move {
let result = Self::call(
compile_error!("mutable opstate is not supported in async ops"),
arg_0,
)
.await;
(
realm_idx,
promise_id,
op_id,
deno_core::_ops::to_op_result(get_class, result),
)
},
promise_id,
fut,
);
if let Some(response) = maybe_response {
rv.set(response);

29
ops/optimizer_tests/issue16934_fast.out
View file

@ -48,8 +48,6 @@ impl send_stdin {
&*(deno_core::v8::Local::<deno_core::v8::External>::cast(args.data()).value()
as *const deno_core::_ops::OpCtx)
};
let op_id = ctx.id;
let realm_idx = ctx.realm_idx;
let promise_id = args.get(0);
let promise_id = deno_core::v8::Local::<
deno_core::v8::Integer,
@ -77,28 +75,19 @@ impl send_stdin {
return deno_core::_ops::throw_type_error(scope, msg);
}
};
let get_class = {
let state = ::std::cell::RefCell::borrow(&ctx.state);
state.tracker.track_async(op_id);
state.get_error_class_fn
};
let fut = deno_core::_ops::map_async_op1(
ctx,
Self::call(
compile_error!("mutable opstate is not supported in async ops"),
arg_0,
),
);
let maybe_response = deno_core::_ops::queue_async_op(
ctx,
scope,
false,
async move {
let result = Self::call(
compile_error!("mutable opstate is not supported in async ops"),
arg_0,
)
.await;
(
realm_idx,
promise_id,
op_id,
deno_core::_ops::to_op_result(get_class, result),
)
},
promise_id,
fut,
);
if let Some(response) = maybe_response {
rv.set(response);