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Specify macro is invalid in certain contexts

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This commit is contained in:
Catherine
2023-07-24 04:55:47 +00:00
committed by Catherine Flores
parent 8771282d4e
commit 287db04636
13 changed files with 209 additions and 26 deletions
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12
compiler/rustc_parse/src/parser/pat.rs
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@@ -135,7 +135,11 @@ impl<'a> Parser<'a> {
// Parse the first pattern (`p_0`).
let mut first_pat = self.parse_pat_no_top_alt(expected)?;
if rc == RecoverComma::Yes {
self.maybe_recover_unexpected_comma(first_pat.span, rt)?;
self.maybe_recover_unexpected_comma(
first_pat.span,
matches!(first_pat.kind, PatKind::MacCall(_)),
rt,
)?;
}
// If the next token is not a `|`,
@@ -177,7 +181,11 @@ impl<'a> Parser<'a> {
err
})?;
if rc == RecoverComma::Yes {
self.maybe_recover_unexpected_comma(pat.span, rt)?;
self.maybe_recover_unexpected_comma(
pat.span,
matches!(pat.kind, PatKind::MacCall(_)),
rt,
)?;
}
pats.push(pat);
}