bjoernager/rust
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Allow concat in repetitions

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This commit is contained in:
Caio 2024-07-19 21:00:46 -03:00
parent 52f3c71c8d
commit b8d4e4d1b3
4 changed files with 90 additions and 45 deletions
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8
compiler/rustc_expand/src/mbe/macro_check.rs
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@ -352,10 +352,10 @@ fn check_occurrences(
check_ops_is_prefix(psess, node_id, macros, binders, ops, span, name);
}
TokenTree::MetaVarExpr(dl, ref mve) => {
let Some(name) = mve.ident().map(MacroRulesNormalizedIdent::new) else {
return;
};
check_ops_is_prefix(psess, node_id, macros, binders, ops, dl.entire(), name);
mve.for_each_metavar((), |_, ident| {
let name = MacroRulesNormalizedIdent::new(*ident);
check_ops_is_prefix(psess, node_id, macros, binders, ops, dl.entire(), name);
});
}
TokenTree::Delimited(.., ref del) => {
check_nested_occurrences(psess, node_id, &del.tts, macros, binders, ops, guar);