bjoernager/rust
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Allow #[rustc_builtin_macro = "name"].

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This makes it possible to have both std::panic and core::panic as a
builtin macro, by using different builtin macro names for each.

Also removes SyntaxExtension::is_derive_copy, as the macro name (e.g.
sym::Copy) is now tracked and provides that information directly.
This commit is contained in:
Mara Bos 2021-01-09 16:48:58 +01:00
parent 1f9dc9a182
commit d651fa78ce
5 changed files with 11 additions and 15 deletions
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2
compiler/rustc_feature/src/builtin_attrs.rs
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@ -442,7 +442,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
// Internal attributes, Macro related:
// ==========================================================================
rustc_attr!(rustc_builtin_macro, AssumedUsed, template!(Word), IMPL_DETAIL),
rustc_attr!(rustc_builtin_macro, AssumedUsed, template!(Word, NameValueStr: "name"), IMPL_DETAIL),
rustc_attr!(rustc_proc_macro_decls, Normal, template!(Word), INTERNAL_UNSTABLE),
rustc_attr!(
rustc_macro_transparency, AssumedUsed,