workspace symbols: Default to empty Vec on None

A language server might send None as the response to workspace symbols.
We should treat this as the empty Vec rather than the server sending
an error status. This fixes the interaction with gopls which uses
None to mean no matching symbols.
This commit is contained in:
Michael Davis 2022-12-08 19:54:15 -06:00 committed by Blaž Hrastnik
parent 35cf972ce4
commit 2a60de74f9

View file

@ -386,10 +386,7 @@ pub fn workspace_symbol_picker(cx: &mut Context) {
cx.callback(
future,
move |_editor, compositor, response: Option<Vec<lsp::SymbolInformation>>| {
let symbols = match response {
Some(s) => s,
None => return,
};
let symbols = response.unwrap_or_default();
let picker = sym_picker(symbols, current_url, offset_encoding);
let get_symbols = |query: String, editor: &mut Editor| {
let doc = doc!(editor);
@ -420,9 +417,7 @@ pub fn workspace_symbol_picker(cx: &mut Context) {
let response: Option<Vec<lsp::SymbolInformation>> =
serde_json::from_value(json)?;
response.ok_or_else(|| {
anyhow::anyhow!("No response for workspace symbols from language server")
})
Ok(response.unwrap_or_default())
};
future.boxed()
};