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expand/resolve: Turn #[derive] into a regular macro attribute

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This commit is contained in:
Vadim Petrochenkov 2020-11-14 14:47:14 +03:00
parent ae00b62ceb
commit dbdbd30bf2
58 changed files with 1499 additions and 1258 deletions
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6
compiler/rustc_parse/src/parser/attr.rs
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@ -306,13 +306,11 @@ impl<'a> Parser<'a> {
}
pub fn maybe_needs_tokens(attrs: &[ast::Attribute]) -> bool {
// One of the attributes may either itself be a macro, or apply derive macros (`derive`),
// One of the attributes may either itself be a macro,
// or expand to macro attributes (`cfg_attr`).
attrs.iter().any(|attr| {
attr.ident().map_or(true, |ident| {
ident.name == sym::derive
|| ident.name == sym::cfg_attr
|| !rustc_feature::is_builtin_attr_name(ident.name)
ident.name == sym::cfg_attr || !rustc_feature::is_builtin_attr_name(ident.name)
})
})
}