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Fix a typo in a variable name.

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This commit is contained in:
Nicholas Nethercote 2020-02-11 08:44:55 +11:00
parent dbd8220891
commit 88b0912d27
1 changed files with 4 additions and 3 deletions
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7
src/librustc_expand/mbe/macro_rules.rs
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@ -222,13 +222,14 @@ fn generic_extension<'cx>(
// This is used so that if a matcher is not `Success(..)`ful,
// then the spans which became gated when parsing the unsuccessful matcher
// are not recorded. On the first `Success(..)`ful matcher, the spans are merged.
let mut gated_spans_snaphot = mem::take(&mut *cx.parse_sess.gated_spans.spans.borrow_mut());
let mut gated_spans_snapshot =
mem::take(&mut *cx.parse_sess.gated_spans.spans.borrow_mut());
match parse_tt(&mut Cow::Borrowed(&parser), lhs_tt) {
Success(named_matches) => {
// The matcher was `Success(..)`ful.
// Merge the gated spans from parsing the matcher with the pre-existing ones.
cx.parse_sess.gated_spans.merge(gated_spans_snaphot);
cx.parse_sess.gated_spans.merge(gated_spans_snapshot);
let rhs = match rhses[i] {
// ignore delimiters
@ -289,7 +290,7 @@ fn generic_extension<'cx>(
// The matcher was not `Success(..)`ful.
// Restore to the state before snapshotting and maybe try again.
mem::swap(&mut gated_spans_snaphot, &mut cx.parse_sess.gated_spans.spans.borrow_mut());
mem::swap(&mut gated_spans_snapshot, &mut cx.parse_sess.gated_spans.spans.borrow_mut());
}
drop(parser);