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Preserve disk-based diagnostics whose ranges intersect with an edit since save

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2022-03-25 15:35:31 +01:00
parent 7a6fe73440
commit 865cd1960f
1 changed files with 26 additions and 39 deletions
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65
crates/project/src/project.rs
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@ -18,8 +18,8 @@ use language::{
proto::{deserialize_anchor, deserialize_version, serialize_anchor, serialize_version},
range_from_lsp, Anchor, Bias, Buffer, CodeAction, CodeLabel, Completion, Diagnostic,
DiagnosticEntry, DiagnosticSet, Event as BufferEvent, File as _, Language, LanguageRegistry,
LocalFile, OffsetRangeExt, Operation, PointUtf16, TextBufferSnapshot, ToLspPosition, ToOffset,
ToPointUtf16, Transaction,
LocalFile, OffsetRangeExt, Operation, Patch, PointUtf16, TextBufferSnapshot, ToLspPosition,
ToOffset, ToPointUtf16, Transaction,
};
use lsp::{DiagnosticSeverity, DiagnosticTag, DocumentHighlightKind, LanguageServer};
use lsp_command::*;
@ -1866,38 +1866,23 @@ impl Project {
});
let mut sanitized_diagnostics = Vec::new();
let mut edits_since_save = snapshot
.edits_since::<PointUtf16>(buffer.read(cx).saved_version())
.peekable();
let mut last_edit_old_end = PointUtf16::zero();
let mut last_edit_new_end = PointUtf16::zero();
'outer: for entry in diagnostics {
let mut start = entry.range.start;
let mut end = entry.range.end;
// Some diagnostics are based on files on disk instead of buffers'
// current contents. Adjust these diagnostics' ranges to reflect
// any unsaved edits.
let edits_since_save = Patch::new(
snapshot
.edits_since::<PointUtf16>(buffer.read(cx).saved_version())
.collect(),
);
for entry in diagnostics {
let start;
let end;
if entry.diagnostic.is_disk_based {
while let Some(edit) = edits_since_save.peek() {
if edit.old.end <= start {
last_edit_old_end = edit.old.end;
last_edit_new_end = edit.new.end;
edits_since_save.next();
} else if edit.old.start <= end && edit.old.end >= start {
continue 'outer;
} else {
break;
}
}
let start_overshoot = start - last_edit_old_end;
start = last_edit_new_end;
start += start_overshoot;
let end_overshoot = end - last_edit_old_end;
end = last_edit_new_end;
end += end_overshoot;
// Some diagnostics are based on files on disk instead of buffers'
// current contents. Adjust these diagnostics' ranges to reflect
// any unsaved edits.
start = edits_since_save.old_to_new(entry.range.start);
end = edits_since_save.old_to_new(entry.range.end);
} else {
start = entry.range.start;
end = entry.range.end;
}
let mut range = snapshot.clip_point_utf16(start, Bias::Left)
@ -5018,7 +5003,7 @@ mod tests {
}
#[gpui::test]
async fn test_transforming_disk_based_diagnostics(cx: &mut gpui::TestAppContext) {
async fn test_transforming_diagnostics(cx: &mut gpui::TestAppContext) {
cx.foreground().forbid_parking();
let (mut lsp_config, mut fake_servers) = LanguageServerConfig::fake();
@ -5243,11 +5228,13 @@ mod tests {
buffer.update(cx, |buffer, cx| {
buffer.edit(Some(Point::new(2, 0)..Point::new(2, 0)), " ", cx);
buffer.edit(Some(Point::new(2, 8)..Point::new(2, 10)), "(x: usize)", cx);
buffer.edit(Some(Point::new(3, 10)..Point::new(3, 10)), "xxx", cx);
});
let change_notification_2 =
fake_server.receive_notification::<lsp::notification::DidChangeTextDocument>();
let change_notification_2 = fake_server
.receive_notification::<lsp::notification::DidChangeTextDocument>()
.await;
assert!(
change_notification_2.await.text_document.version
change_notification_2.text_document.version
> change_notification_1.text_document.version
);
@ -5255,7 +5242,7 @@ mod tests {
fake_server.notify::<lsp::notification::PublishDiagnostics>(
lsp::PublishDiagnosticsParams {
uri: lsp::Url::from_file_path("/dir/a.rs").unwrap(),
version: Some(open_notification.text_document.version),
version: Some(change_notification_2.text_document.version),
diagnostics: vec![
lsp::Diagnostic {
range: lsp::Range::new(lsp::Position::new(1, 9), lsp::Position::new(1, 11)),
@ -5295,7 +5282,7 @@ mod tests {
}
},
DiagnosticEntry {
range: Point::new(3, 9)..Point::new(3, 11),
range: Point::new(3, 9)..Point::new(3, 14),
diagnostic: Diagnostic {
severity: DiagnosticSeverity::ERROR,
message: "undefined variable 'BB'".to_string(),