diff options
Diffstat (limited to 'compiler/rustc_expand/src/config.rs')
| -rw-r--r-- | compiler/rustc_expand/src/config.rs | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/compiler/rustc_expand/src/config.rs b/compiler/rustc_expand/src/config.rs index 3e43eae006f..4ec5ac22e90 100644 --- a/compiler/rustc_expand/src/config.rs +++ b/compiler/rustc_expand/src/config.rs @@ -313,9 +313,10 @@ impl<'a> StripUnconfigured<'a> { /// the attribute is incorrect. pub(crate) fn expand_cfg_attr(&self, attr: &Attribute, recursive: bool) -> Vec<Attribute> { let Some((cfg_predicate, expanded_attrs)) = - rustc_parse::parse_cfg_attr(attr, &self.sess.parse_sess) else { - return vec![]; - }; + rustc_parse::parse_cfg_attr(attr, &self.sess.parse_sess) + else { + return vec![]; + }; // Lint on zero attributes in source. if expanded_attrs.is_empty() { @@ -365,7 +366,9 @@ impl<'a> StripUnconfigured<'a> { // Use the `#` in `#[cfg_attr(pred, attr)]` as the `#` token // for `attr` when we expand it to `#[attr]` let mut orig_trees = orig_tokens.into_trees(); - let TokenTree::Token(pound_token @ Token { kind: TokenKind::Pound, .. }, _) = orig_trees.next().unwrap() else { + let TokenTree::Token(pound_token @ Token { kind: TokenKind::Pound, .. }, _) = + orig_trees.next().unwrap() + else { panic!("Bad tokens for attribute {:?}", attr); }; let pound_span = pound_token.span; @@ -373,7 +376,9 @@ impl<'a> StripUnconfigured<'a> { let mut trees = vec![AttrTokenTree::Token(pound_token, Spacing::Alone)]; if attr.style == AttrStyle::Inner { // For inner attributes, we do the same thing for the `!` in `#![some_attr]` - let TokenTree::Token(bang_token @ Token { kind: TokenKind::Not, .. }, _) = orig_trees.next().unwrap() else { + let TokenTree::Token(bang_token @ Token { kind: TokenKind::Not, .. }, _) = + orig_trees.next().unwrap() + else { panic!("Bad tokens for attribute {:?}", attr); }; trees.push(AttrTokenTree::Token(bang_token, Spacing::Alone)); |