Add support for the TextDocumentSyncKind LSP option (#3070)

fixes https://github.com/zed-industries/community/issues/2098

Release Notes:

- Fixed a bug in Zed's LSP implementation when using Next LS.
This commit is contained in:
Mikayla Maki 2023-09-29 12:25:37 -07:00 committed by GitHub
commit 1155f1b0e1
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@ -2231,26 +2231,62 @@ impl Project {
.get_mut(&buffer.remote_id())
.and_then(|m| m.get_mut(&language_server.server_id()))?;
let previous_snapshot = buffer_snapshots.last()?;
let next_version = previous_snapshot.version + 1;
let content_changes = buffer
.edits_since::<(PointUtf16, usize)>(previous_snapshot.snapshot.version())
.map(|edit| {
let edit_start = edit.new.start.0;
let edit_end = edit_start + (edit.old.end.0 - edit.old.start.0);
let new_text = next_snapshot
.text_for_range(edit.new.start.1..edit.new.end.1)
.collect();
lsp::TextDocumentContentChangeEvent {
range: Some(lsp::Range::new(
point_to_lsp(edit_start),
point_to_lsp(edit_end),
)),
let build_incremental_change = || {
buffer
.edits_since::<(PointUtf16, usize)>(
previous_snapshot.snapshot.version(),
)
.map(|edit| {
let edit_start = edit.new.start.0;
let edit_end = edit_start + (edit.old.end.0 - edit.old.start.0);
let new_text = next_snapshot
.text_for_range(edit.new.start.1..edit.new.end.1)
.collect();
lsp::TextDocumentContentChangeEvent {
range: Some(lsp::Range::new(
point_to_lsp(edit_start),
point_to_lsp(edit_end),
)),
range_length: None,
text: new_text,
}
})
.collect()
};
let document_sync_kind = language_server
.capabilities()
.text_document_sync
.as_ref()
.and_then(|sync| match sync {
lsp::TextDocumentSyncCapability::Kind(kind) => Some(*kind),
lsp::TextDocumentSyncCapability::Options(options) => options.change,
});
let content_changes: Vec<_> = match document_sync_kind {
Some(lsp::TextDocumentSyncKind::FULL) => {
vec![lsp::TextDocumentContentChangeEvent {
range: None,
range_length: None,
text: new_text,
text: next_snapshot.text(),
}]
}
Some(lsp::TextDocumentSyncKind::INCREMENTAL) => build_incremental_change(),
_ => {
#[cfg(any(test, feature = "test-support"))]
{
build_incremental_change()
}
})
.collect();
#[cfg(not(any(test, feature = "test-support")))]
{
continue;
}
}
};
let next_version = previous_snapshot.version + 1;
buffer_snapshots.push(LspBufferSnapshot {
version: next_version,