ruff/crates/ty_server/src/server/api/requests/inlay_hints.rs

103 lines
3.2 KiB
Rust

use std::borrow::Cow;
use lsp_types::request::InlayHintRequest;
use lsp_types::{InlayHintParams, Url};
use ty_ide::{InlayHintKind, InlayHintLabel, inlay_hints};
use ty_project::ProjectDatabase;
use crate::PositionEncoding;
use crate::document::{RangeExt, TextSizeExt, ToLink};
use crate::server::api::traits::{
BackgroundDocumentRequestHandler, RequestHandler, RetriableRequestHandler,
};
use crate::session::DocumentSnapshot;
use crate::session::client::Client;
pub(crate) struct InlayHintRequestHandler;
impl RequestHandler for InlayHintRequestHandler {
type RequestType = InlayHintRequest;
}
impl BackgroundDocumentRequestHandler for InlayHintRequestHandler {
fn document_url(params: &InlayHintParams) -> Cow<'_, Url> {
Cow::Borrowed(&params.text_document.uri)
}
fn run_with_snapshot(
db: &ProjectDatabase,
snapshot: &DocumentSnapshot,
_client: &Client,
params: InlayHintParams,
) -> crate::server::Result<Option<Vec<lsp_types::InlayHint>>> {
let workspace_settings = snapshot.workspace_settings();
if workspace_settings.is_language_services_disabled()
|| !workspace_settings.inlay_hints().any_enabled()
{
return Ok(None);
}
let Some(file) = snapshot.to_notebook_or_file(db) else {
return Ok(None);
};
let Some(range) = params
.range
.to_text_range(db, file, snapshot.url(), snapshot.encoding())
else {
return Ok(None);
};
let inlay_hints = inlay_hints(db, file, range, workspace_settings.inlay_hints());
let inlay_hints = inlay_hints
.into_iter()
.filter_map(|hint| {
Some(lsp_types::InlayHint {
position: hint
.position
.to_lsp_position(db, file, snapshot.encoding())?
.local_position(),
label: inlay_hint_label(&hint.label, db, snapshot.encoding()),
kind: Some(inlay_hint_kind(&hint.kind)),
tooltip: None,
padding_left: None,
padding_right: None,
data: None,
text_edits: None,
})
})
.collect();
Ok(Some(inlay_hints))
}
}
impl RetriableRequestHandler for InlayHintRequestHandler {}
fn inlay_hint_kind(inlay_hint_kind: &InlayHintKind) -> lsp_types::InlayHintKind {
match inlay_hint_kind {
InlayHintKind::Type => lsp_types::InlayHintKind::TYPE,
InlayHintKind::CallArgumentName => lsp_types::InlayHintKind::PARAMETER,
}
}
fn inlay_hint_label(
inlay_hint_label: &InlayHintLabel,
db: &ProjectDatabase,
encoding: PositionEncoding,
) -> lsp_types::InlayHintLabel {
let mut label_parts = Vec::new();
for part in inlay_hint_label.parts() {
label_parts.push(lsp_types::InlayHintLabelPart {
value: part.text().into(),
location: part
.target()
.and_then(|target| target.to_location(db, encoding)),
tooltip: None,
command: None,
});
}
lsp_types::InlayHintLabel::LabelParts(label_parts)
}