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lsp: refactor format so we stop cloning the language_server

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This commit is contained in:
Blaž Hrastnik 2021-09-01 14:49:48 +09:00
parent c00cf238af
commit 184637c55a
2 changed files with 22 additions and 15 deletions
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14
helix-lsp/src/client.rs
View file

@ -583,19 +583,19 @@ impl Client {
// formatting
pub async fn text_document_formatting(
pub fn text_document_formatting(
&self,
text_document: lsp::TextDocumentIdentifier,
options: lsp::FormattingOptions,
work_done_token: Option<lsp::ProgressToken>,
) -> anyhow::Result<Vec<lsp::TextEdit>> {
) -> Option<impl Future<Output = Result<Vec<lsp::TextEdit>>>> {
let capabilities = self.capabilities.get().unwrap();
// check if we're able to format
match capabilities.document_formatting_provider {
Some(lsp::OneOf::Left(true)) | Some(lsp::OneOf::Right(_)) => (),
// None | Some(false)
_ => return Ok(Vec::new()),
_ => return None,
};
// TODO: return err::unavailable so we can fall back to tree sitter formatting
@ -605,9 +605,13 @@ impl Client {
work_done_progress_params: lsp::WorkDoneProgressParams { work_done_token },
};
let response = self.request::<lsp::request::Formatting>(params).await?;
let request = self.call::<lsp::request::Formatting>(params);
Ok(response.unwrap_or_default())
Some(async move {
let json = request.await?;
let response: Vec<lsp::TextEdit> = serde_json::from_value(json)?;
Ok(response)
})
}
pub async fn text_document_range_formatting(

17
helix-view/src/document.rs
View file

@ -386,21 +386,24 @@ impl Document {
/// If supported, returns the changes that should be applied to this document in order
/// to format it nicely.
pub fn format(&self) -> Option<impl Future<Output = LspFormatting> + 'static> {
if let Some(language_server) = self.language_server.clone() {
if let Some(language_server) = self.language_server() {
let text = self.text.clone();
let id = self.identifier();
let offset_encoding = language_server.offset_encoding();
let request = language_server.text_document_formatting(
self.identifier(),
lsp::FormattingOptions::default(),
None,
)?;
let fut = async move {
let edits = language_server
.text_document_formatting(id, lsp::FormattingOptions::default(), None)
.await
.unwrap_or_else(|e| {
let edits = request.await.unwrap_or_else(|e| {
log::warn!("LSP formatting failed: {}", e);
Default::default()
});
LspFormatting {
doc: text,
edits,
offset_encoding: language_server.offset_encoding(),
offset_encoding,
}
};
Some(fut)