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Gracefully degrade diagnostics_in_range, diagnostic_group and file

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-12-17 16:37:12 +01:00
parent 6685d5aa7d
commit f0fe346e15
1 changed files with 7 additions and 4 deletions
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11
crates/editor/src/multi_buffer.rs
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@ -685,7 +685,7 @@ impl MultiBuffer {
}
pub fn file<'a>(&self, cx: &'a AppContext) -> Option<&'a dyn File> {
self.as_singleton().unwrap().read(cx).file()
self.as_singleton()?.read(cx).file()
}
#[cfg(test)]
@ -1514,7 +1514,9 @@ impl MultiBufferSnapshot {
where
O: text::FromAnchor + 'a,
{
self.as_singleton().unwrap().diagnostic_group(group_id)
self.as_singleton()
.into_iter()
.flat_map(move |buffer| buffer.diagnostic_group(group_id))
}
pub fn diagnostics_in_range<'a, T, O>(
@ -1525,8 +1527,9 @@ impl MultiBufferSnapshot {
T: 'a + ToOffset,
O: 'a + text::FromAnchor,
{
let range = range.start.to_offset(self)..range.end.to_offset(self);
self.as_singleton().unwrap().diagnostics_in_range(range)
self.as_singleton().into_iter().flat_map(move |buffer| {
buffer.diagnostics_in_range(range.start.to_offset(self)..range.end.to_offset(self))
})
}
pub fn range_for_syntax_ancestor<T: ToOffset>(&self, range: Range<T>) -> Option<Range<usize>> {