Sending goto to rust

This commit is contained in:
2026-05-23 15:40:47 +02:00
parent c405a2059e
commit b2f5f2fdc8
2 changed files with 135 additions and 95 deletions
+88 -86
View File
@@ -15,92 +15,6 @@ pub struct RustAnalyzer {
id: usize,
}
impl RustAnalyzer {
pub fn new() -> Result<Self, Box<dyn std::error::Error>> {
let mut child = tokio::process::Command::new("rust-analyzer")
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::null()) // Ignore logs for simplicity
.spawn()?;
let stdin = child.stdin.take().unwrap();
let stdout = BufReader::new(child.stdout.take().unwrap());
Ok(Self {
stdin,
stdout,
id: 0,
})
}
pub async fn init(&mut self, root: &PathBuf) -> Result<(), Box<dyn std::error::Error>> {
let project_uri = Url::from_directory_path(root)
.map_err(|_| "Failed to convert path to valid file:// URL")?;
#[allow(deprecated)]
let init_params = InitializeParams {
process_id: Some(std::process::id()),
root_uri: Some(project_uri.clone()),
workspace_folders: Some(vec![WorkspaceFolder {
uri: project_uri,
name: "workspace".to_string(),
}]),
capabilities: ClientCapabilities {
workspace: Some(lsp_types::WorkspaceClientCapabilities {
workspace_folders: Some(true),
..Default::default()
}),
text_document: Some(lsp_types::TextDocumentClientCapabilities {
..Default::default()
}),
..Default::default()
},
..Default::default()
};
let _response = self.request::<request::Initialize>(init_params);
eprintln!("<- Received: initialize response");
Ok(())
}
pub async fn request<R: Request>(
&mut self,
params: R::Params,
) -> Result<R::Result, Box<dyn std::error::Error>> {
self.send(R::METHOD, params).await?;
self.read().await
}
pub async fn send<T: Serialize>(&mut self, method: &str, req: T) -> std::io::Result<()> {
let id = {
self.id += 1;
self.id
};
send_lsp_message(
&mut self.stdin,
&json!({
"jsonrpc": "2.0",
"id": id,
"method": method,
"params": req,
}),
)
.await
}
pub async fn read<T>(&mut self) -> Result<T, Box<dyn std::error::Error>>
where
T: for<'de> serde::Deserialize<'de>,
{
read_lsp_message(&mut self.stdout)
.await
.map(|v| serde_json::from_str(&v).unwrap())
}
}
async fn send_lsp_message<W: AsyncWriteExt + Unpin>(
writer: &mut W,
value: &serde_json::Value,
@@ -140,3 +54,91 @@ async fn read_lsp_message<R: AsyncBufReadExt + Unpin>(
Ok(String::from_utf8(buffer)?)
}
impl RustAnalyzer {
pub fn new() -> Result<Self, Box<dyn std::error::Error>> {
let mut child = tokio::process::Command::new("rust-analyzer")
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::null()) // Ignore logs for simplicity
.spawn()?;
let stdin = child.stdin.take().unwrap();
let stdout = BufReader::new(child.stdout.take().unwrap());
Ok(Self {
stdin,
stdout,
id: 0,
})
}
pub async fn request<R: Request>(
&mut self,
params: R::Params,
) -> Result<R::Result, Box<dyn std::error::Error>> {
self.send(R::METHOD, params).await?;
self.read().await
}
pub async fn send<T: Serialize>(&mut self, method: &str, req: T) -> std::io::Result<()> {
let id = {
self.id += 1;
self.id
};
send_lsp_message(
&mut self.stdin,
&json!({
"jsonrpc": "2.0",
"id": id,
"method": method,
"params": req,
}),
)
.await
}
pub async fn read<T>(&mut self) -> Result<T, Box<dyn std::error::Error>>
where
T: for<'de> serde::Deserialize<'de>,
{
read_lsp_message(&mut self.stdout)
.await
.map(|v| serde_json::from_str(&v).unwrap())
}
}
impl RustAnalyzer {
pub async fn init(&mut self, root: &PathBuf) -> Result<(), Box<dyn std::error::Error>> {
let project_uri = Url::from_directory_path(root)
.map_err(|_| "Failed to convert path to valid file:// URL")?;
#[allow(deprecated)]
let init_params = InitializeParams {
process_id: Some(std::process::id()),
root_uri: Some(project_uri.clone()),
workspace_folders: Some(vec![WorkspaceFolder {
uri: project_uri,
name: "workspace".to_string(),
}]),
capabilities: ClientCapabilities {
workspace: Some(lsp_types::WorkspaceClientCapabilities {
workspace_folders: Some(true),
..Default::default()
}),
text_document: Some(lsp_types::TextDocumentClientCapabilities {
..Default::default()
}),
..Default::default()
},
..Default::default()
};
let _response = self.request::<request::Initialize>(init_params);
eprintln!("<- Received: initialize response");
Ok(())
}
}