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10 lines
487 B
Rust
10 lines
487 B
Rust
use rustc_span::Span;
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/// Walks through the expansion ancestors of `original_span` to find a span that
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/// is contained in `body_span` and has the same [syntax context] as `body_span`.
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pub(crate) fn unexpand_into_body_span(original_span: Span, body_span: Span) -> Option<Span> {
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// Because we don't need to return any extra ancestor information,
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// we can just delegate directly to `find_ancestor_inside_same_ctxt`.
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original_span.find_ancestor_inside_same_ctxt(body_span)
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}
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