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denoland-deno/cli/lsp/mod.rs

97 lines
2.5 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::unsync::spawn;
use tokio_util::sync::CancellationToken;
use tower_lsp::LspService;
use tower_lsp::Server;
use crate::lsp::language_server::LanguageServer;
pub use repl::ReplCompletionItem;
pub use repl::ReplLanguageServer;
use self::diagnostics::should_send_diagnostic_batch_index_notifications;
mod analysis;
mod cache;
mod capabilities;
mod client;
mod code_lens;
mod completions;
mod config;
mod diagnostics;
mod documents;
mod jsr;
pub mod language_server;
mod logging;
mod lsp_custom;
mod npm;
mod parent_process_checker;
mod path_to_regex;
mod performance;
mod refactor;
mod registries;
mod repl;
mod resolver;
mod search;
mod semantic_tokens;
mod testing;
mod text;
mod tsc;
mod urls;
pub async fn start() -> Result<(), AnyError> {
let stdin = tokio::io::stdin();
let stdout = tokio::io::stdout();
let token = CancellationToken::new();
let builder = LspService::build(|client| {
language_server::LanguageServer::new(
client::Client::from_tower(client),
token.clone(),
)
})
.custom_method(
lsp_custom::PERFORMANCE_REQUEST,
LanguageServer::performance_request,
)
.custom_method(lsp_custom::TASK_REQUEST, LanguageServer::task_definitions)
// TODO(nayeemrmn): Rename this to `deno/taskDefinitions` in vscode_deno and
// remove this alias.
.custom_method("deno/task", LanguageServer::task_definitions)
.custom_method(testing::TEST_RUN_REQUEST, LanguageServer::test_run_request)
.custom_method(
testing::TEST_RUN_CANCEL_REQUEST,
LanguageServer::test_run_cancel_request,
)
.custom_method(
lsp_custom::VIRTUAL_TEXT_DOCUMENT,
LanguageServer::virtual_text_document,
);
let builder = if should_send_diagnostic_batch_index_notifications() {
builder.custom_method(
lsp_custom::LATEST_DIAGNOSTIC_BATCH_INDEX,
LanguageServer::latest_diagnostic_batch_index_request,
)
} else {
builder
};
let (service, socket) = builder.finish();
// TODO(nayeemrmn): This cancellation token is a workaround for
// https://github.com/denoland/deno/issues/20700. Remove when
// https://github.com/ebkalderon/tower-lsp/issues/399 is fixed.
// Force end the server 8 seconds after receiving a shutdown request.
tokio::select! {
biased;
_ = Server::new(stdin, stdout, socket).serve(service) => {}
_ = spawn(async move {
token.cancelled().await;
tokio::time::sleep(std::time::Duration::from_secs(8)).await;
}) => {}
}
Ok(())
}