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Rollup merge of #108715 - chenyukang:yukang/cleanup-parser-delims, r=compiler-errors

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Remove unclosed_delims from parser

After landing https://github.com/rust-lang/rust/pull/108297
we could remove `unclosed_delims` from the parser now.
This commit is contained in:
Matthias Krüger 2023-03-04 20:48:17 +01:00 • committed by GitHub
commit dd6f03de9a
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4 changed files with 12 additions and 158 deletions
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13
compiler/rustc_parse/src/parser/expr.rs
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@ -1394,19 +1394,6 @@ impl<'a> Parser<'a> {
self.parse_expr_let()
} else if self.eat_keyword(kw::Underscore) {
Ok(self.mk_expr(self.prev_token.span, ExprKind::Underscore))
} else if !self.unclosed_delims.is_empty() && self.check(&token::Semi) {
// Don't complain about bare semicolons after unclosed braces
// recovery in order to keep the error count down. Fixing the
// delimiters will possibly also fix the bare semicolon found in
// expression context. For example, silence the following error:
//
// error: expected expression, found `;`
// --> file.rs:2:13
// |
// 2 | foo(bar(;
// | ^ expected expression
self.bump();
Ok(self.mk_expr_err(self.token.span))
} else if self.token.uninterpolated_span().rust_2018() {
// `Span::rust_2018()` is somewhat expensive; don't get it repeatedly.
if self.check_keyword(kw::Async) {