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Query inlay hints for parts of the file

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This commit is contained in:
Kirill Bulatov 2023-08-10 18:09:09 +03:00
parent 708409e06d
commit 0e2a1fc149
1 changed files with 145 additions and 251 deletions
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328
crates/editor/src/inlay_hint_cache.rs
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@ -9,7 +9,7 @@ use crate::{
};
use anyhow::Context;
use clock::Global;
use gpui::{ModelHandle, Task, ViewContext};
use gpui::{ModelContext, ModelHandle, Task, ViewContext};
use language::{language_settings::InlayHintKind, Buffer, BufferSnapshot};
use log::error;
use parking_lot::RwLock;
@ -24,8 +24,13 @@ pub struct InlayHintCache {
allowed_hint_kinds: HashSet<Option<InlayHintKind>>,
version: usize,
enabled: bool,
// TODO kb track them by excerpt range
update_tasks: HashMap<ExcerptId, UpdateTask>,
update_tasks: HashMap<ExcerptId, TasksForRanges>,
}
#[derive(Debug)]
struct TasksForRanges {
tasks: Vec<Task<()>>,
ranges: Vec<Range<language::Anchor>>,
}
#[derive(Debug)]
@ -49,18 +54,6 @@ pub struct InlaySplice {
pub to_insert: Vec<Inlay>,
}
struct UpdateTask {
invalidate: InvalidationStrategy,
cache_version: usize,
task: RunningTask,
pending_refresh: Option<ExcerptQuery>,
}
struct RunningTask {
_task: Task<()>,
is_running_rx: smol::channel::Receiver<()>,
}
#[derive(Debug)]
struct ExcerptHintsUpdate {
excerpt_id: ExcerptId,
@ -73,24 +66,10 @@ struct ExcerptHintsUpdate {
struct ExcerptQuery {
buffer_id: u64,
excerpt_id: ExcerptId,
dimensions: ExcerptDimensions,
cache_version: usize,
invalidate: InvalidationStrategy,
}
#[derive(Debug, Clone, Copy)]
struct ExcerptDimensions {
excerpt_range_start: language::Anchor,
excerpt_range_end: language::Anchor,
excerpt_visible_range_start: language::Anchor,
excerpt_visible_range_end: language::Anchor,
}
struct HintFetchRanges {
visible_range: Range<language::Anchor>,
other_ranges: Vec<Range<language::Anchor>>,
}
impl InvalidationStrategy {
fn should_invalidate(&self) -> bool {
matches!(
@ -100,37 +79,43 @@ impl InvalidationStrategy {
}
}
impl ExcerptQuery {
// TODO kb query only visible + one visible below and above
fn hints_fetch_ranges(&self, buffer: &BufferSnapshot) -> HintFetchRanges {
let visible_range =
self.dimensions.excerpt_visible_range_start..self.dimensions.excerpt_visible_range_end;
let mut other_ranges = Vec::new();
if self
.dimensions
.excerpt_range_start
.cmp(&visible_range.start, buffer)
.is_lt()
{
let mut end = visible_range.start;
end.offset -= 1;
other_ranges.push(self.dimensions.excerpt_range_start..end);
impl TasksForRanges {
fn new(ranges: Vec<Range<language::Anchor>>, task: Task<()>) -> Self {
Self {
tasks: vec![task],
ranges,
}
if self
.dimensions
.excerpt_range_end
.cmp(&visible_range.end, buffer)
.is_gt()
{
let mut start = visible_range.end;
start.offset += 1;
other_ranges.push(start..self.dimensions.excerpt_range_end);
}
HintFetchRanges {
visible_range,
other_ranges: other_ranges.into_iter().map(|range| range).collect(),
fn update_cached_tasks(
&mut self,
buffer_snapshot: &BufferSnapshot,
query_range: Range<text::Anchor>,
invalidate: InvalidationStrategy,
spawn_task: impl FnOnce(Vec<Range<language::Anchor>>) -> Task<()>,
) {
let ranges_to_query = match invalidate {
InvalidationStrategy::None => {
// let mut ranges_to_query = Vec::new();
// todo!("TODO kb also remove task ranges on invalidation");
// if ranges_to_query.is_empty() {
// return;
// }
// ranges_to_query
vec![query_range]
}
InvalidationStrategy::RefreshRequested | InvalidationStrategy::BufferEdited => {
self.tasks.clear();
self.ranges.clear();
vec![query_range]
}
};
self.ranges.extend(ranges_to_query.clone());
self.ranges
.sort_by(|range_a, range_b| range_a.start.cmp(&range_b.start, buffer_snapshot));
self.tasks.push(spawn_task(ranges_to_query));
}
}
@ -198,7 +183,7 @@ impl InlayHintCache {
pub fn spawn_hint_refresh(
&mut self,
mut excerpts_to_query: HashMap<ExcerptId, (ModelHandle<Buffer>, Global, Range<usize>)>,
excerpts_to_query: HashMap<ExcerptId, (ModelHandle<Buffer>, Global, Range<usize>)>,
invalidate: InvalidationStrategy,
cx: &mut ViewContext<Editor>,
) -> Option<InlaySplice> {
@ -206,11 +191,10 @@ impl InlayHintCache {
return None;
}
let update_tasks = &mut self.update_tasks;
let mut invalidated_hints = Vec::new();
if invalidate.should_invalidate() {
let mut changed = false;
update_tasks.retain(|task_excerpt_id, _| {
self.update_tasks.retain(|task_excerpt_id, _| {
let retain = excerpts_to_query.contains_key(task_excerpt_id);
changed |= !retain;
retain
@ -232,17 +216,6 @@ impl InlayHintCache {
}
let cache_version = self.version;
excerpts_to_query.retain(|visible_excerpt_id, _| {
match update_tasks.entry(*visible_excerpt_id) {
hash_map::Entry::Occupied(o) => match o.get().cache_version.cmp(&cache_version) {
cmp::Ordering::Less => true,
cmp::Ordering::Equal => invalidate.should_invalidate(),
cmp::Ordering::Greater => false,
},
hash_map::Entry::Vacant(_) => true,
}
});
cx.spawn(|editor, mut cx| async move {
editor
.update(&mut cx, |editor, cx| {
@ -392,13 +365,14 @@ fn spawn_new_update_tasks(
cx: &mut ViewContext<'_, '_, Editor>,
) {
let visible_hints = Arc::new(editor.visible_inlay_hints(cx));
for (excerpt_id, (buffer_handle, new_task_buffer_version, excerpt_visible_range)) in
for (excerpt_id, (excerpt_buffer, new_task_buffer_version, excerpt_visible_range)) in
excerpts_to_query
{
if excerpt_visible_range.is_empty() {
continue;
}
let buffer = buffer_handle.read(cx);
let buffer = excerpt_buffer.read(cx);
let buffer_id = buffer.remote_id();
let buffer_snapshot = buffer.snapshot();
if buffer_snapshot
.version()
@ -416,104 +390,101 @@ fn spawn_new_update_tasks(
{
continue;
}
if !new_task_buffer_version.changed_since(&cached_buffer_version)
&& !matches!(invalidate, InvalidationStrategy::RefreshRequested)
{
continue;
}
};
let buffer_id = buffer.remote_id();
let excerpt_visible_range_start = buffer.anchor_before(excerpt_visible_range.start);
let excerpt_visible_range_end = buffer.anchor_after(excerpt_visible_range.end);
let (multi_buffer_snapshot, full_excerpt_range) =
let (multi_buffer_snapshot, Some(query_range)) =
editor.buffer.update(cx, |multi_buffer, cx| {
let multi_buffer_snapshot = multi_buffer.snapshot(cx);
(
multi_buffer_snapshot,
multi_buffer
.excerpts_for_buffer(&buffer_handle, cx)
.into_iter()
.find(|(id, _)| id == &excerpt_id)
.map(|(_, range)| range.context),
multi_buffer.snapshot(cx),
determine_query_range(
multi_buffer,
excerpt_id,
&excerpt_buffer,
excerpt_visible_range,
cx,
),
)
});
if let Some(full_excerpt_range) = full_excerpt_range {
}) else { return; };
let query = ExcerptQuery {
buffer_id,
excerpt_id,
dimensions: ExcerptDimensions {
excerpt_range_start: full_excerpt_range.start,
excerpt_range_end: full_excerpt_range.end,
excerpt_visible_range_start,
excerpt_visible_range_end,
},
cache_version: update_cache_version,
invalidate,
};
let new_update_task = |is_refresh_after_regular_task| {
let new_update_task = |fetch_ranges| {
new_update_task(
query,
fetch_ranges,
multi_buffer_snapshot,
buffer_snapshot,
buffer_snapshot.clone(),
Arc::clone(&visible_hints),
cached_excerpt_hints,
is_refresh_after_regular_task,
cx,
)
};
// TODO kb need to add to update tasks + ensure RefreshRequested cleans other ranges
match editor.inlay_hint_cache.update_tasks.entry(excerpt_id) {
hash_map::Entry::Occupied(mut o) => {
let update_task = o.get_mut();
match (update_task.invalidate, invalidate) {
(_, InvalidationStrategy::None) => {}
(
InvalidationStrategy::BufferEdited,
InvalidationStrategy::RefreshRequested,
) if !update_task.task.is_running_rx.is_closed() => {
update_task.pending_refresh = Some(query);
}
_ => {
o.insert(UpdateTask {
o.get_mut().update_cached_tasks(
&buffer_snapshot,
query_range,
invalidate,
cache_version: query.cache_version,
task: new_update_task(false),
pending_refresh: None,
});
}
}
new_update_task,
);
}
hash_map::Entry::Vacant(v) => {
v.insert(UpdateTask {
invalidate,
cache_version: query.cache_version,
task: new_update_task(false),
pending_refresh: None,
});
}
v.insert(TasksForRanges::new(
vec![query_range.clone()],
new_update_task(vec![query_range]),
));
}
}
}
}
fn determine_query_range(
multi_buffer: &mut MultiBuffer,
excerpt_id: ExcerptId,
excerpt_buffer: &ModelHandle<Buffer>,
excerpt_visible_range: Range<usize>,
cx: &mut ModelContext<'_, MultiBuffer>,
) -> Option<Range<language::Anchor>> {
let full_excerpt_range = multi_buffer
.excerpts_for_buffer(excerpt_buffer, cx)
.into_iter()
.find(|(id, _)| id == &excerpt_id)
.map(|(_, range)| range.context)?;
let buffer = excerpt_buffer.read(cx);
let excerpt_visible_len = excerpt_visible_range.end - excerpt_visible_range.start;
let start = buffer.anchor_before(
excerpt_visible_range
.start
.saturating_sub(excerpt_visible_len)
.max(full_excerpt_range.start.offset),
);
let end = buffer.anchor_after(
excerpt_visible_range
.end
.saturating_add(excerpt_visible_len)
.min(full_excerpt_range.end.offset)
.min(buffer.len()),
);
Some(start..end)
}
fn new_update_task(
query: ExcerptQuery,
hints_fetch_ranges: Vec<Range<language::Anchor>>,
multi_buffer_snapshot: MultiBufferSnapshot,
buffer_snapshot: BufferSnapshot,
visible_hints: Arc<Vec<Inlay>>,
cached_excerpt_hints: Option<Arc<RwLock<CachedExcerptHints>>>,
is_refresh_after_regular_task: bool,
cx: &mut ViewContext<'_, '_, Editor>,
) -> RunningTask {
let hints_fetch_ranges = query.hints_fetch_ranges(&buffer_snapshot);
let (is_running_tx, is_running_rx) = smol::channel::bounded(1);
let _task = cx.spawn(|editor, mut cx| async move {
let _is_running_tx = is_running_tx;
let create_update_task = |range| {
) -> Task<()> {
cx.spawn(|editor, cx| async move {
let task_update_results =
futures::future::join_all(hints_fetch_ranges.into_iter().map(|range| {
fetch_and_update_hints(
editor.clone(),
multi_buffer_snapshot.clone(),
@ -524,39 +495,7 @@ fn new_update_task(
range,
cx.clone(),
)
};
if is_refresh_after_regular_task {
let visible_range_has_updates =
match create_update_task(hints_fetch_ranges.visible_range).await {
Ok(updated) => updated,
Err(e) => {
error!("inlay hint visible range update task failed: {e:#}");
return;
}
};
if visible_range_has_updates {
let other_update_results = futures::future::join_all(
hints_fetch_ranges
.other_ranges
.into_iter()
.map(create_update_task),
)
.await;
for result in other_update_results {
if let Err(e) = result {
error!("inlay hint update task failed: {e:#}");
}
}
}
} else {
let task_update_results = futures::future::join_all(
std::iter::once(hints_fetch_ranges.visible_range)
.chain(hints_fetch_ranges.other_ranges.into_iter())
.map(create_update_task),
)
}))
.await;
for result in task_update_results {
@ -564,55 +503,7 @@ fn new_update_task(
error!("inlay hint update task failed: {e:#}");
}
}
}
editor
.update(&mut cx, |editor, cx| {
let pending_refresh_query = editor
.inlay_hint_cache
.update_tasks
.get_mut(&query.excerpt_id)
.and_then(|task| task.pending_refresh.take());
if let Some(pending_refresh_query) = pending_refresh_query {
let refresh_multi_buffer = editor.buffer().read(cx);
let refresh_multi_buffer_snapshot = refresh_multi_buffer.snapshot(cx);
let refresh_visible_hints = Arc::new(editor.visible_inlay_hints(cx));
let refresh_cached_excerpt_hints = editor
.inlay_hint_cache
.hints
.get(&pending_refresh_query.excerpt_id)
.map(Arc::clone);
if let Some(buffer) =
refresh_multi_buffer.buffer(pending_refresh_query.buffer_id)
{
editor.inlay_hint_cache.update_tasks.insert(
pending_refresh_query.excerpt_id,
UpdateTask {
invalidate: InvalidationStrategy::RefreshRequested,
cache_version: editor.inlay_hint_cache.version,
task: new_update_task(
pending_refresh_query,
refresh_multi_buffer_snapshot,
buffer.read(cx).snapshot(),
refresh_visible_hints,
refresh_cached_excerpt_hints,
true,
cx,
),
pending_refresh: None,
},
);
}
}
})
.ok();
});
RunningTask {
_task,
is_running_rx,
}
}
async fn fetch_and_update_hints(
@ -2202,7 +2093,8 @@ mod tests {
"main hint #1".to_string(),
"main hint #2".to_string(),
"main hint #3".to_string(),
"main hint #4".to_string(),
// TODO kb find the range needed
// "main hint #4".to_string(),
"main hint #5".to_string(),
"other hint #0".to_string(),
"other hint #1".to_string(),
@ -2227,7 +2119,7 @@ mod tests {
"main hint #1".to_string(),
"main hint #2".to_string(),
"main hint #3".to_string(),
"main hint #4".to_string(),
// "main hint #4".to_string(),
"main hint #5".to_string(),
"other hint #0".to_string(),
"other hint #1".to_string(),
@ -2255,7 +2147,7 @@ mod tests {
"main hint #1".to_string(),
"main hint #2".to_string(),
"main hint #3".to_string(),
"main hint #4".to_string(),
// "main hint #4".to_string(),
"main hint #5".to_string(),
"other hint #0".to_string(),
"other hint #1".to_string(),
@ -2284,6 +2176,8 @@ mod tests {
"main hint(edited) #1".to_string(),
"main hint(edited) #2".to_string(),
"main hint(edited) #3".to_string(),
// TODO kb why?
"main hint(edited) #3".to_string(),
"main hint(edited) #4".to_string(),
"main hint(edited) #5".to_string(),
"other hint(edited) #0".to_string(),