2 files changed, 34 insertions, 2 deletions
diff --git a/gcc/rust/ast/rust-expr.h b/gcc/rust/ast/rust-expr.h
index cc87498..584e210 100644
--- a/gcc/rust/ast/rust-expr.h
+++ b/gcc/rust/ast/rust-expr.h
@@ -1571,9 +1571,16 @@ public:
 
   virtual Location get_locus_slow () const = 0;
 
+  NodeId get_node_id () const { return node_id; }
+
 protected:
   // pure virtual clone implementation
   virtual StructExprField *clone_struct_expr_field_impl () const = 0;
+
+  StructExprField () : node_id (Analysis::Mappings::get ()->get_next_node_id ())
+  {}
+
+  NodeId node_id;
 };
 
 // Identifier-only variant of StructExprField AST node
@@ -1584,7 +1591,8 @@ class StructExprFieldIdentifier : public StructExprField
 
 public:
   StructExprFieldIdentifier (Identifier field_identifier, Location locus)
-    : field_name (std::move (field_identifier)), locus (locus)
+    : StructExprField (), field_name (std::move (field_identifier)),
+      locus (locus)
   {}
 
   std::string as_string () const override { return field_name; }
@@ -1611,7 +1619,7 @@ class StructExprFieldWithVal : public StructExprField
 
 protected:
   StructExprFieldWithVal (std::unique_ptr<Expr> field_value)
-    : value (std::move (field_value))
+    : StructExprField (), value (std::move (field_value))
   {}
 
   // Copy constructor requires clone
@@ -1769,6 +1777,15 @@ public:
     return fields;
   }
 
+  void iterate (std::function<bool (StructExprField *)> cb)
+  {
+    for (auto &field : fields)
+      {
+	if (!cb (field.get ()))
+	  return;
+      }
+  }
+
   StructBase &get_struct_base () { return struct_base; }
   const StructBase &get_struct_base () const { return struct_base; }
 
diff --git a/gcc/rust/ast/rust-item.h b/gcc/rust/ast/rust-item.h
index 1088842..9bd8de4 100644
--- a/gcc/rust/ast/rust-item.h
+++ b/gcc/rust/ast/rust-item.h
@@ -1746,6 +1746,8 @@ public:
     return where_clause;
   }
 
+  Identifier get_identifier () const { return struct_name; }
+
 protected:
   Struct (Identifier struct_name,
 	  std::vector<std::unique_ptr<GenericParam> > generic_params,
@@ -1802,6 +1804,8 @@ private:
 
   // should this store location info?
 
+  NodeId node_id;
+
 public:
   // Returns whether struct field has any outer attributes.
   bool has_outer_attributes () const { return !outer_attrs.empty (); }
@@ -1877,6 +1881,8 @@ public:
   }
 
   Visibility get_visibility () const { return visibility; }
+
+  NodeId get_node_id () const { return node_id; }
 };
 
 // Rust struct declaration with true struct type AST node
@@ -1922,6 +1928,15 @@ public:
   std::vector<StructField> &get_fields () { return fields; }
   const std::vector<StructField> &get_fields () const { return fields; }
 
+  void iterate (std::function<bool (StructField &)> cb)
+  {
+    for (auto &field : fields)
+      {
+	if (!cb (field))
+	  return;
+      }
+  }
+
 protected:
   /* Use covariance to implement clone function as returning this object
    * rather than base */