bjoernager/rust
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Attach tokens to NtMeta (ast::AttrItem)

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An `AttrItem` does not have outer attributes, so we only capture tokens
when parsing a `macro_rules!` matcher
This commit is contained in:
Aaron Hill 2020-08-21 18:37:34 -04:00
parent d5a04a9927
commit 3815e91ccd
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GPG key ID: B4087E510E98B164
9 changed files with 17 additions and 6 deletions
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9
compiler/rustc_parse/src/parser/nonterminal.rs
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@ -169,7 +169,14 @@ impl<'a> Parser<'a> {
}
}
NonterminalKind::Path => token::NtPath(self.parse_path(PathStyle::Type)?),
NonterminalKind::Meta => token::NtMeta(P(self.parse_attr_item()?)),
NonterminalKind::Meta => {
let (mut attr, tokens) = self.collect_tokens(|this| this.parse_attr_item())?;
// We may have eaten a nonterminal, which could already have tokens
if attr.tokens.is_none() {
attr.tokens = Some(tokens);
}
token::NtMeta(P(attr))
}
NonterminalKind::TT => token::NtTT(self.parse_token_tree()),
NonterminalKind::Vis => token::NtVis(self.parse_visibility(FollowedByType::Yes)?),
NonterminalKind::Lifetime => {