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give a helpful diagnostic even when the next struct field has an attribute

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This commit is contained in:
yukang 2022-08-13 12:50:53 +08:00
parent 1603a70f82
commit 52a15180d2
4 changed files with 50 additions and 2 deletions
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8
compiler/rustc_parse/src/parser/item.rs
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@ -1539,8 +1539,12 @@ impl<'a> Parser<'a> {
}
}
if self.token.is_ident() {
// This is likely another field; emit the diagnostic and keep going
if self.token.is_ident()
|| (self.token.kind == TokenKind::Pound
&& (self.look_ahead(1, |t| t == &token::OpenDelim(Delimiter::Bracket))))
{
// This is likely another field, TokenKind::Pound is used for `#[..]` attribute for next field,
// emit the diagnostic and keep going
err.span_suggestion(
sp,
"try adding a comma",