refactor some attribute functions in rust-early-name-resolver.cc

gcc/rust/resolve/rust-early-name-resolver.cc

@@ -21,25 +21,17 @@
 #include "rust-name-resolver.h"
 #include "rust-macro-builtins.h"
 #include "rust-attribute-values.h"
+#include "rust-attributes.h"
 
 namespace Rust {
 namespace Resolver {
 
 // Check if a module contains the `#[macro_use]` attribute
-static bool
-is_macro_use_module (const AST::Module &mod)
-{
-  for (const auto &attr : mod.get_outer_attrs ())
-    if (attr.get_path ().as_string () == Values::Attributes::MACRO_USE)
-      return true;
-
-  return false;
-}
 
 std::vector<std::unique_ptr<AST::Item>>
 EarlyNameResolver::accumulate_escaped_macros (AST::Module &module)
 {
-  if (!is_macro_use_module (module))
+  if (!Analysis::Attributes::is_macro_use_module (module))
     return {};
 
   // Parse the module's items if they haven't been expanded and the file

gcc/rust/util/rust-attributes.cc

@@ -37,6 +37,15 @@ Attributes::is_known (const std::string &attribute_path)
 
   return !lookup.is_error ();
 }
+bool
+Attributes::is_macro_use_module (const AST::Module &mod)
+{
+  for (const auto &attr : mod.get_outer_attrs ())
+    if (attr.get_path ().as_string () == Values::Attributes::MACRO_USE)
+      return true;
+
+  return false;
+}
 
 using Attrs = Values::Attributes;
 

gcc/rust/util/rust-attributes.h

@@ -29,6 +29,7 @@ class Attributes
 {
 public:
   static bool is_known (const std::string &attribute_path);
+  static bool is_macro_use_module (const AST::Module &mod);
 };
 
 enum CompilerPass