attributes: Add #[derive] as a built-in attribute

gcc/rust/ChangeLog: * util/rust-attribute-values.h: Declare new attribute value. * util/rust-attributes.cc: Use it.
Rust-GCC · Jan 3, 2025 · d953618 · d953618
1 parent 2a03e7a
commit d953618
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diff --git a/gcc/rust/util/rust-attribute-values.h b/gcc/rust/util/rust-attribute-values.h
@@ -29,6 +29,7 @@ class Attributes
   static constexpr auto &COLD = "cold";
   static constexpr auto &CFG = "cfg";
   static constexpr auto &CFG_ATTR = "cfg_attr";
+  static constexpr auto &DERIVE_ATTR = "derive";
   static constexpr auto &DEPRECATED = "deprecated";
   static constexpr auto &ALLOW = "allow";
   static constexpr auto &ALLOW_INTERNAL_UNSTABLE = "allow_internal_unstable";

diff --git a/gcc/rust/util/rust-attributes.cc b/gcc/rust/util/rust-attributes.cc
@@ -46,6 +46,7 @@ static const BuiltinAttrDefinition __definitions[]
      {Attrs::COLD, CODE_GENERATION},
      {Attrs::CFG, EXPANSION},
      {Attrs::CFG_ATTR, EXPANSION},
+     {Attrs::DERIVE_ATTR, EXPANSION},
      {Attrs::DEPRECATED, STATIC_ANALYSIS},
      {Attrs::ALLOW, STATIC_ANALYSIS},
      {Attrs::ALLOW_INTERNAL_UNSTABLE, STATIC_ANALYSIS},