Add a function to check if a function is variadic

This function provides an easy way to check for a function's varidicity. gcc/rust/ChangeLog: * ast/rust-item.h: Add a getter to check if a given function is variadic. Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
Rust-GCC · Oct 18, 2023 · e675b5e · e675b5e
1 parent f559edb
commit e675b5e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/gcc/rust/ast/rust-item.h b/gcc/rust/ast/rust-item.h
@@ -1674,6 +1674,12 @@ class Function : public VisItem, public InherentImplItem, public TraitImplItem
 
   void accept_vis (ASTVisitor &vis) override;
 
+  bool is_variadic () const
+  {
+    return function_params.size () != 0
+	   && function_params.back ().is_variadic ();
+  }
+
   // Invalid if block is null, so base stripping on that.
   void mark_for_strip () override { function_body = nullptr; }
   bool is_marked_for_strip () const override