Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--crates/rust-analyzer/src/global_state.rs4
-rw-r--r--crates/rust-analyzer/src/handlers.rs1
-rw-r--r--crates/vfs/src/lib.rs11
3 files changed, 14 insertions, 2 deletions
diff --git a/crates/rust-analyzer/src/global_state.rs b/crates/rust-analyzer/src/global_state.rs
index ff1cdacb7f..b4f929c2ad 100644
--- a/crates/rust-analyzer/src/global_state.rs
+++ b/crates/rust-analyzer/src/global_state.rs
@@ -440,6 +440,10 @@ impl GlobalStateSnapshot {
ProjectWorkspace::DetachedFiles { .. } => None,
})
}
+
+ pub(crate) fn vfs_memory_usage(&self) -> usize {
+ self.vfs.read().0.memory_usage()
+ }
}
pub(crate) fn file_id_to_url(vfs: &vfs::Vfs, id: FileId) -> Url {
diff --git a/crates/rust-analyzer/src/handlers.rs b/crates/rust-analyzer/src/handlers.rs
index bcc3eed4ff..3c39f205e7 100644
--- a/crates/rust-analyzer/src/handlers.rs
+++ b/crates/rust-analyzer/src/handlers.rs
@@ -103,6 +103,7 @@ pub(crate) fn handle_analyzer_status(
.collect::<Vec<&AbsPath>>()
);
}
+ format_to!(buf, "\nVfs memory usage: {}\n", snap.vfs_memory_usage());
buf.push_str("\nAnalysis:\n");
buf.push_str(
&snap
diff --git a/crates/vfs/src/lib.rs b/crates/vfs/src/lib.rs
index 8ffa3a808f..b510b9e394 100644
--- a/crates/vfs/src/lib.rs
+++ b/crates/vfs/src/lib.rs
@@ -139,6 +139,11 @@ impl Vfs {
self.get(file_id).as_deref().unwrap()
}
+ /// Returns the overall memory usage for the stored files.
+ pub fn memory_usage(&self) -> usize {
+ self.data.iter().flatten().map(|d| d.capacity()).sum()
+ }
+
/// Returns an iterator over the stored ids and their corresponding paths.
///
/// This will skip deleted files.
@@ -158,7 +163,7 @@ impl Vfs {
///
/// If the path does not currently exists in the `Vfs`, allocates a new
/// [`FileId`] for it.
- pub fn set_file_contents(&mut self, path: VfsPath, contents: Option<Vec<u8>>) -> bool {
+ pub fn set_file_contents(&mut self, path: VfsPath, mut contents: Option<Vec<u8>>) -> bool {
let file_id = self.alloc_file_id(path);
let change_kind = match (self.get(file_id), &contents) {
(None, None) => return false,
@@ -167,7 +172,9 @@ impl Vfs {
(Some(_), None) => ChangeKind::Delete,
(Some(_), Some(_)) => ChangeKind::Modify,
};
-
+ if let Some(contents) = &mut contents {
+ contents.shrink_to_fit();
+ }
*self.get_mut(file_id) = contents;
self.changes.push(ChangedFile { file_id, change_kind });
true