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Fix out-of-range panic when requesting outline items at EOF

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This commit is contained in:
Max Brunsfeld 2022-08-24 15:10:53 -07:00
parent 587175d0ea
commit 3245e4f8d7
1 changed files with 4 additions and 2 deletions
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6
crates/language/src/buffer.rs
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@ -1953,8 +1953,10 @@ impl BufferSnapshot {
theme: Option<&SyntaxTheme>,
) -> Option<Vec<OutlineItem<Anchor>>> {
let position = position.to_offset(self);
let mut items =
self.outline_items_containing(position.saturating_sub(1)..position + 1, theme)?;
let mut items = self.outline_items_containing(
position.saturating_sub(1)..self.len().min(position + 1),
theme,
)?;
let mut prev_depth = None;
items.retain(|item| {
let result = prev_depth.map_or(true, |prev_depth| item.depth > prev_depth);