From f25463e8483d8dcfb64cda4e96d5b4fbd11a19c8 Mon Sep 17 00:00:00 2001 From: yukang Date: Wed, 5 Jul 2023 16:25:46 +0800 Subject: Fix the issue of wrong diagnosis for extern pub fn --- compiler/rustc_parse/src/parser/item.rs | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'compiler/rustc_parse/src/parser') diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 3783ec41b7e..1470180dea7 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -2182,7 +2182,11 @@ impl<'a> Parser<'a> { // `extern ABI fn` || self.check_keyword_case(kw::Extern, case) && self.look_ahead(1, |t| t.can_begin_literal_maybe_minus()) - && self.look_ahead(2, |t| t.is_keyword_case(kw::Fn, case)) + && (self.look_ahead(2, |t| t.is_keyword_case(kw::Fn, case)) || + // this branch is only for better diagnostic in later, `pub` is not allowed here + (self.may_recover() + && self.look_ahead(2, |t| t.is_keyword(kw::Pub)) + && self.look_ahead(3, |t| t.is_keyword_case(kw::Fn, case)))) } /// Parses all the "front matter" (or "qualifiers") for a `fn` declaration, -- cgit 1.4.1-3-g733a5