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expand: Support helper attributes for built-in derive macros

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This commit is contained in:
Vadim Petrochenkov 2021-07-10 17:16:53 +03:00
parent 3e1c75c6e2
commit 6c9ea1e8a9
6 changed files with 144 additions and 81 deletions
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6
compiler/rustc_feature/src/builtin_attrs.rs
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@ -448,7 +448,11 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// Internal attributes, Macro related:
// ==========================================================================
rustc_attr!(rustc_builtin_macro, AssumedUsed, template!(Word, NameValueStr: "name"), IMPL_DETAIL),
rustc_attr!(
rustc_builtin_macro, AssumedUsed,
template!(Word, List: "name, /*opt*/ attributes(name1, name2, ...)"),
IMPL_DETAIL,
),
rustc_attr!(rustc_proc_macro_decls, Normal, template!(Word), INTERNAL_UNSTABLE),
rustc_attr!(
rustc_macro_transparency, AssumedUsed,