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Accept arbitrary expressions in key-value attributes at parse time

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This commit is contained in:
Vadim Petrochenkov 2020-11-07 16:09:40 +03:00
parent fa55f668e5
commit 31d72c2658
24 changed files with 145 additions and 210 deletions
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compiler/rustc_ast/src/visit.rs
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@ -906,7 +906,6 @@ pub fn walk_mac_args<'a, V: Visitor<'a>>(visitor: &mut V, args: &'a MacArgs) {
token::NtExpr(expr) => visitor.visit_expr(expr),
t => panic!("unexpected token in key-value attribute: {:?}", t),
},
token::Literal(..) | token::Ident(..) => {}
t => panic!("unexpected token in key-value attribute: {:?}", t),
},
t => panic!("unexpected token in key-value attribute: {:?}", t),