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Retrieve completion options on ctrl-x.

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This commit is contained in:
Blaž Hrastnik 2020-12-23 16:20:49 +09:00
parent 955cb81687
commit 56f2193811
7 changed files with 86 additions and 3 deletions
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43
helix-lsp/src/client.rs
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@ -196,6 +196,12 @@ impl Client {
root_uri: None, // set to project root in the future
initialization_options: None,
capabilities: lsp::ClientCapabilities {
// text_document:
// { completion: {
// dynamic_registration: bool
// completion_item: { snippet, documentation_format, ... }
// completion_item_kind: { }
// } }
..Default::default()
},
trace: None,
@ -358,4 +364,41 @@ impl Client {
pub async fn text_document_did_save(&self) -> anyhow::Result<()> {
unimplemented!()
}
pub async fn completion(&self, doc: &Document) -> anyhow::Result<Vec<lsp::CompletionItem>> {
// TODO: figure out what should happen when you complete with multiple cursors
let params = lsp::CompletionParams {
text_document_position: lsp::TextDocumentPositionParams {
text_document: text_document_identifier(doc),
position: crate::util::pos_to_lsp_pos(
&doc.text().slice(..),
doc.selection().cursor(),
),
},
// TODO: support these tokens by async receiving and updating the choice list
work_done_progress_params: lsp::WorkDoneProgressParams {
work_done_token: None,
},
partial_result_params: lsp::PartialResultParams {
partial_result_token: None,
},
context: None,
// lsp::CompletionContext { trigger_kind: , trigger_character: Some(), }
};
let response = self.request::<lsp::request::Completion>(params).await?;
let items = match response {
Some(lsp::CompletionResponse::Array(items)) => items,
// TODO: do something with is_incomplete
Some(lsp::CompletionResponse::List(lsp::CompletionList {
is_incomplete: _is_incomplete,
items,
})) => items,
None => Vec::new(),
};
Ok(items)
}
}