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WIP
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parent
2c6aeaed7c
commit
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2 changed files with 95 additions and 26 deletions
36
crates/lsp/build.rs
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36
crates/lsp/build.rs
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@ -0,0 +1,36 @@
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use std::{
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env,
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fs::{self, Permissions},
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os::unix::prelude::PermissionsExt,
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process::Command,
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};
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fn main() {
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let target = env::var("TARGET").unwrap();
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let rust_analyzer_filename = format!("rust-analyzer-{}", target);
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let rust_analyzer_url = format!(
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"https://github.com/rust-analyzer/rust-analyzer/releases/download/2021-10-18/{}.gz",
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rust_analyzer_filename
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);
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println!(
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"cargo:rustc-env=RUST_ANALYZER_FILENAME={}",
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rust_analyzer_filename
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);
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let target_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
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let rust_analyzer_target_path = format!("{}/{}", target_dir, rust_analyzer_filename);
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assert!(
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Command::new("/bin/sh")
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.arg("-c")
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.arg(format!(
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"curl -L {} | gunzip > {}",
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rust_analyzer_url, rust_analyzer_target_path
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))
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.status()
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.unwrap()
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.success(),
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"failed to download rust-analyzer"
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);
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fs::set_permissions(rust_analyzer_target_path, Permissions::from_mode(0x755))
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.expect("failed to make rust-analyzer executable");
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}
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@ -41,18 +41,6 @@ struct Request<T> {
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params: T,
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}
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#[derive(Deserialize)]
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struct Error {
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message: String,
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}
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#[derive(Deserialize)]
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struct Notification<'a> {
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method: String,
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#[serde(borrow)]
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params: &'a RawValue,
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}
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#[derive(Deserialize)]
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struct Response<'a> {
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id: usize,
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@ -62,6 +50,26 @@ struct Response<'a> {
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result: Option<&'a RawValue>,
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}
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#[derive(Serialize)]
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struct OutboundNotification<T> {
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jsonrpc: &'static str,
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method: &'static str,
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params: T,
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}
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#[derive(Deserialize)]
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struct InboundNotification<'a> {
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#[serde(borrow)]
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method: &'a str,
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#[serde(borrow)]
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params: &'a RawValue,
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}
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#[derive(Deserialize)]
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struct Error {
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message: String,
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}
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impl LanguageServer {
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pub fn new(path: &Path, background: &executor::Background) -> Result<Arc<Self>> {
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let mut server = Command::new(path)
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@ -91,7 +99,7 @@ impl LanguageServer {
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buffer.resize(message_len, 0);
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stdout.read_exact(&mut buffer).await?;
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if let Ok(Notification { .. }) = serde_json::from_slice(&buffer) {
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if let Ok(InboundNotification { .. }) = serde_json::from_slice(&buffer) {
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} else if let Ok(Response { id, error, result }) =
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serde_json::from_slice(&buffer)
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{
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@ -146,19 +154,19 @@ impl LanguageServer {
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}
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async fn init(self: Arc<Self>) -> Result<()> {
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let init_response = self
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.request::<lsp_types::request::Initialize>(lsp_types::InitializeParams {
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process_id: Default::default(),
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root_path: Default::default(),
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root_uri: Default::default(),
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initialization_options: Default::default(),
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capabilities: Default::default(),
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trace: Default::default(),
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workspace_folders: Default::default(),
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client_info: Default::default(),
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locale: Default::default(),
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})
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.await?;
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self.request::<lsp_types::request::Initialize>(lsp_types::InitializeParams {
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process_id: Default::default(),
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root_path: Default::default(),
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root_uri: Default::default(),
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initialization_options: Default::default(),
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capabilities: Default::default(),
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trace: Default::default(),
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workspace_folders: Default::default(),
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client_info: Default::default(),
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locale: Default::default(),
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})
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.await?;
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self.notify::<lsp_types::notification::Initialized>(lsp_types::InitializedParams {})?;
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Ok(())
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}
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@ -198,4 +206,29 @@ impl LanguageServer {
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rx.recv().await?
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}
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}
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pub fn notify<T: lsp_types::notification::Notification>(
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&self,
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params: T::Params,
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) -> Result<()> {
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let message = serde_json::to_vec(&OutboundNotification {
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jsonrpc: JSON_RPC_VERSION,
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method: T::METHOD,
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params,
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})
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.unwrap();
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smol::block_on(self.outbound_tx.send(message))?;
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Ok(())
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use gpui::TestAppContext;
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#[gpui::test]
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async fn test_basic(cx: TestAppContext) {
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let server = LanguageServer::new();
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}
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}
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