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denoland-deno/cli/compilers/js.rs
Ryan Dahl 161cf7cdfd
refactor: Use Tokio's single-threaded runtime (#3844)
This change simplifies how we execute V8. Previously V8 Isolates jumped
around threads every time they were woken up. This was overly complex and
potentially hurting performance in a myriad ways. Now isolates run on
their own dedicated thread and never move.

- blocking_json spawns a thread and does not use a thread pool
- op_host_poll_worker and op_host_resume_worker are non-operational
- removes Worker::get_message and Worker::post_message
- ThreadSafeState::workers table contains WorkerChannel entries instead
  of actual Worker instances.
- MainWorker and CompilerWorker are no longer Futures.
- The multi-threaded version of deno_core_http_bench was removed.
- AyncOps no longer need to be Send + Sync

This PR is very large and several tests were disabled to speed
integration:
- installer_test_local_module_run
- installer_test_remote_module_run
- _015_duplicate_parallel_import
- _026_workers
2020-02-03 18:08:44 -05:00

25 lines
630 B
Rust

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use crate::compilers::CompiledModule;
use crate::compilers::CompiledModuleFuture;
use crate::file_fetcher::SourceFile;
use futures::future::FutureExt;
use std::pin::Pin;
use std::str;
pub struct JsCompiler {}
impl JsCompiler {
pub fn compile_async(
&self,
source_file: SourceFile,
) -> Pin<Box<CompiledModuleFuture>> {
let module = CompiledModule {
code: str::from_utf8(&source_file.source_code)
.unwrap()
.to_string(),
name: source_file.url.to_string(),
};
futures::future::ok(module).boxed()
}
}