Merge #3666

3666: Reload part of the server configuration without restarts r=matklad a=SomeoneToIgnore

Partially addresses https://github.com/rust-analyzer/rust-analyzer/issues/2857

Closes #3751

Reloads all server configuration that's not related to VFS without restarts.

The VFS-related parameters are not considered, since VFS is planned to be rewritten/replaced in the future and I have a suspicion that with the current code, swapping the VFS and the file watchers on the fly will cause big troubles.

I have to store and process the config request id separately, since the `workspace/configuration` response returns `any[]` (https://microsoft.github.io/language-server-protocol/specifications/specification-current/#workspace_configuration), if there's a better way to handle those responses, let me know.



Co-authored-by: Kirill Bulatov <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/crates/ra_ide/src/lib.rs b/crates/ra_ide/src/lib.rs
index e43414985..937c9caa5 100644
--- a/crates/ra_ide/src/lib.rs
+++ b/crates/ra_ide/src/lib.rs
@@ -138,6 +138,11 @@ impl AnalysisHost {
     pub fn new(lru_capacity: Option<usize>) -> AnalysisHost {
         AnalysisHost { db: RootDatabase::new(lru_capacity) }
     }
+
+    pub fn update_lru_capacity(&mut self, lru_capacity: Option<usize>) {
+        self.db.update_lru_capacity(lru_capacity);
+    }
+
     /// Returns a snapshot of the current state, which you can query for
     /// semantic information.
     pub fn analysis(&self) -> Analysis {