diff options
Diffstat (limited to 'compiler/rustc_parse/src')
| -rw-r--r-- | compiler/rustc_parse/src/parser/mod.rs | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 4b97c8b0a81..0aa4fc4a139 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -929,16 +929,20 @@ impl<'a> Parser<'a> { return looker(&self.token); } - let frame = &self.token_cursor.frame; - match frame.tree_cursor.look_ahead(dist - 1) { - Some(tree) => match tree { - TokenTree::Token(token) => looker(token), - TokenTree::Delimited(dspan, delim, _) => { - looker(&Token::new(token::OpenDelim(*delim), dspan.open)) - } - }, - None => looker(&Token::new(token::CloseDelim(frame.delim), frame.span.close)), + let mut cursor = self.token_cursor.clone(); + let mut i = 0; + let mut token = Token::dummy(); + while i < dist { + token = cursor.next().0; + if matches!( + token.kind, + token::OpenDelim(token::NoDelim) | token::CloseDelim(token::NoDelim) + ) { + continue; + } + i += 1; } + return looker(&token); } /// Returns whether any of the given keywords are `dist` tokens ahead of the current one. |
