diff options
Diffstat (limited to 'src/librustc_parse/parser')
| -rw-r--r-- | src/librustc_parse/parser/item.rs | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/librustc_parse/parser/item.rs b/src/librustc_parse/parser/item.rs index 4fe0453e9c8..6f13d7994d1 100644 --- a/src/librustc_parse/parser/item.rs +++ b/src/librustc_parse/parser/item.rs @@ -106,11 +106,20 @@ impl<'a> Parser<'a> { }); let mut unclosed_delims = vec![]; - let (mut item, tokens) = self.collect_tokens(|this| { + let has_attrs = !attrs.is_empty(); + let parse_item = |this: &mut Self| { let item = this.parse_item_common_(attrs, mac_allowed, attrs_allowed, req_name); unclosed_delims.append(&mut this.unclosed_delims); item - })?; + }; + + let (mut item, tokens) = if has_attrs { + let (item, tokens) = self.collect_tokens(parse_item)?; + (item, Some(tokens)) + } else { + (parse_item(self)?, None) + }; + self.unclosed_delims.append(&mut unclosed_delims); // Once we've parsed an item and recorded the tokens we got while @@ -127,9 +136,11 @@ impl<'a> Parser<'a> { // it (bad!). To work around this case for now we just avoid recording // `tokens` if we detect any inner attributes. This should help keep // expansion correct, but we should fix this bug one day! - if let Some(item) = &mut item { - if !item.attrs.iter().any(|attr| attr.style == AttrStyle::Inner) { - item.tokens = Some(tokens); + if let Some(tokens) = tokens { + if let Some(item) = &mut item { + if !item.attrs.iter().any(|attr| attr.style == AttrStyle::Inner) { + item.tokens = Some(tokens); + } } } Ok(item) |