diff options
Diffstat (limited to 'compiler/rustc_parse/src')
| -rw-r--r-- | compiler/rustc_parse/src/errors.rs | 7 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/lexer/mod.rs | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 44b4e1a3e47..35cf4c1b00d 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -2141,6 +2141,13 @@ pub(crate) enum UnknownPrefixSugg { )] UseBr(#[primary_span] Span), #[suggestion( + parse_suggestion_cr, + code = "cr", + applicability = "maybe-incorrect", + style = "verbose" + )] + UseCr(#[primary_span] Span), + #[suggestion( parse_suggestion_whitespace, code = " ", applicability = "maybe-incorrect", diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index da4f11a3f46..e8a5cae54cf 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -257,7 +257,6 @@ impl<'psess, 'src> Lexer<'psess, 'src> { let lit_start = start + BytePos(prefix_len); self.pos = lit_start; self.cursor = Cursor::new(&str_before[prefix_len as usize..]); - self.report_unknown_prefix(start); let prefix_span = self.mk_sp(start, lit_start); return (Token::new(self.ident(start), prefix_span), preceded_by_whitespace); @@ -790,13 +789,14 @@ impl<'psess, 'src> Lexer<'psess, 'src> { fn report_unknown_prefix(&self, start: BytePos) { let prefix_span = self.mk_sp(start, self.pos); let prefix = self.str_from_to(start, self.pos); - let expn_data = prefix_span.ctxt().outer_expn_data(); if expn_data.edition.at_least_rust_2021() { // In Rust 2021, this is a hard error. let sugg = if prefix == "rb" { Some(errors::UnknownPrefixSugg::UseBr(prefix_span)) + } else if prefix == "rc" { + Some(errors::UnknownPrefixSugg::UseCr(prefix_span)) } else if expn_data.is_root() { if self.cursor.first() == '\'' && let Some(start) = self.last_lifetime |