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simplify

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This commit is contained in:
Aleksey Kladov 2019-05-31 20:23:56 +03:00
parent e1bda6aeda
commit 2d773a46c9
1 changed files with 52 additions and 51 deletions
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103
crates/ra_lsp_server/src/main_loop.rs
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@ -452,59 +452,60 @@ impl<'a> PoolDispatcher<'a> {
None => return Ok(self),
Some(req) => req,
};
match req.cast::<R>() {
Ok((id, params)) => {
// Real time requests block user typing, so we should react quickly to them.
// Currently this means that we try to cancel background jobs if we don't have
// a spare thread.
let is_real_time = TypeId::of::<R>() == TypeId::of::<req::JoinLines>()
|| TypeId::of::<R>() == TypeId::of::<req::OnEnter>();
if self.pool.queued_count() > 0 && is_real_time {
self.world.cancel_requests();
}
let world = self.world.snapshot();
let sender = self.sender.clone();
self.pool.execute(move || {
let response = match f(world, params) {
Ok(resp) => RawResponse::ok::<R>(id, &resp),
Err(e) => match e.downcast::<LspError>() {
Ok(lsp_error) => {
RawResponse::err(id, lsp_error.code, lsp_error.message)
}
Err(e) => {
if is_canceled(&e) {
// FIXME: When https://github.com/Microsoft/vscode-languageserver-node/issues/457
// gets fixed, we can return the proper response.
// This works around the issue where "content modified" error would continuously
// show an message pop-up in VsCode
// RawResponse::err(
// id,
// ErrorCode::ContentModified as i32,
// "content modified".to_string(),
// )
RawResponse {
id,
result: Some(serde_json::to_value(&()).unwrap()),
error: None,
}
} else {
RawResponse::err(
id,
ErrorCode::InternalError as i32,
format!("{}\n{}", e, e.backtrace()),
)
}
}
},
};
let task = Task::Respond(response);
sender.send(task).unwrap();
});
self.res = Some(id);
let (id, params) = match req.cast::<R>() {
Ok(it) => it,
Err(req) => {
self.req = Some(req);
return Ok(self);
}
Err(req) => self.req = Some(req),
};
self.res = Some(id);
// Real time requests block user typing, so we should react quickly to them.
// Currently this means that we try to cancel background jobs if we don't have
// a spare thread.
let is_real_time = TypeId::of::<R>() == TypeId::of::<req::JoinLines>()
|| TypeId::of::<R>() == TypeId::of::<req::OnEnter>();
if self.pool.queued_count() > 0 && is_real_time {
self.world.cancel_requests();
}
let world = self.world.snapshot();
let sender = self.sender.clone();
self.pool.execute(move || {
let response = match f(world, params) {
Ok(resp) => RawResponse::ok::<R>(id, &resp),
Err(e) => match e.downcast::<LspError>() {
Ok(lsp_error) => RawResponse::err(id, lsp_error.code, lsp_error.message),
Err(e) => {
if is_canceled(&e) {
// FIXME: When https://github.com/Microsoft/vscode-languageserver-node/issues/457
// gets fixed, we can return the proper response.
// This works around the issue where "content modified" error would continuously
// show an message pop-up in VsCode
// RawResponse::err(
// id,
// ErrorCode::ContentModified as i32,
// "content modified".to_string(),
// )
RawResponse {
id,
result: Some(serde_json::to_value(&()).unwrap()),
error: None,
}
} else {
RawResponse::err(
id,
ErrorCode::InternalError as i32,
format!("{}\n{}", e, e.backtrace()),
)
}
}
},
};
let task = Task::Respond(response);
sender.send(task).unwrap();
});
Ok(self)
}