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fix: Expand eager macros to delimited comma separated expression list

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This commit is contained in:
Lukas Wirth 2023-07-30 17:03:51 +02:00
parent 712b53865f
commit 7c765d9f9e
10 changed files with 83 additions and 6 deletions
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3
crates/parser/src/lib.rs
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@ -75,6 +75,8 @@ pub enum TopEntryPoint {
/// Edge case -- macros generally don't expand to attributes, with the
/// exception of `cfg_attr` which does!
MetaItem,
/// Edge case 2 -- eager macros expand their input to a delimited list of comma separated expressions
MacroEagerInput,
}
impl TopEntryPoint {
@ -87,6 +89,7 @@ impl TopEntryPoint {
TopEntryPoint::Type => grammar::entry::top::type_,
TopEntryPoint::Expr => grammar::entry::top::expr,
TopEntryPoint::MetaItem => grammar::entry::top::meta_item,
TopEntryPoint::MacroEagerInput => grammar::entry::top::eager_macro_input,
};
let mut p = parser::Parser::new(input);
entry_point(&mut p);