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text: Replace some more release panics with graceful fallbacks (#44542)

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Fixes ZED-3P7

Release Notes:

- N/A *or* Added/Fixed/Improved ...
This commit is contained in:
Lukas Wirth 2025-12-10 14:01:31 +01:00 • committed by GitHub
parent 0a816cbc87
commit 511e51c80e
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GPG key ID: B5690EEEBB952194
1 changed files with 11 additions and 2 deletions
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13
crates/text/src/text.rs
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@ -39,6 +39,7 @@ pub use subscription::*;
pub use sum_tree::Bias;
use sum_tree::{Dimensions, FilterCursor, SumTree, TreeMap, TreeSet};
use undo_map::UndoMap;
use util::debug_panic;
#[cfg(any(test, feature = "test-support"))]
use util::RandomCharIter;
@ -2439,7 +2440,7 @@ impl BufferSnapshot {
if bias == Bias::Left && offset == 0 {
Anchor::min_for_buffer(self.remote_id)
} else if bias == Bias::Right
&& ((cfg!(debug_assertions) && offset >= self.len()) || offset == self.len())
&& ((!cfg!(debug_assertions) && offset >= self.len()) || offset == self.len())
{
Anchor::max_for_buffer(self.remote_id)
} else {
@ -2453,7 +2454,15 @@ impl BufferSnapshot {
};
}
let (start, _, item) = self.fragments.find::<usize, _>(&None, &offset, bias);
let fragment = item.unwrap();
let Some(fragment) = item else {
// We got a bad offset, likely out of bounds
debug_panic!(
"Failed to find fragment at offset {} (len: {})",
offset,
self.len()
);
return Anchor::max_for_buffer(self.remote_id);
};
let overshoot = offset - start;
Anchor {
timestamp: fragment.timestamp,