Use rb_struct_initialize to initialize Data

Author: nevans

ext/psych/psych_to_ruby.c

@@ -24,6 +24,15 @@ static VALUE path2class(VALUE self, VALUE path)
     return rb_path_to_class(path);
 }
 
+static VALUE init_struct(VALUE self, VALUE data, VALUE attrs)
+{
+    VALUE args = rb_ary_new2(1);
+    rb_ary_push(args, attrs);
+    rb_struct_initialize(data, args);
+
+    return data;
+}
+
 void Init_psych_to_ruby(void)
 {
     VALUE psych     = rb_define_module("Psych");
@@ -33,6 +42,7 @@ void Init_psych_to_ruby(void)
     VALUE visitor   = rb_define_class_under(visitors, "Visitor", rb_cObject);
     cPsychVisitorsToRuby = rb_define_class_under(visitors, "ToRuby", visitor);
 
+    rb_define_private_method(cPsychVisitorsToRuby, "init_struct", init_struct, 2);
     rb_define_private_method(cPsychVisitorsToRuby, "build_exception", build_exception, 2);
     rb_define_private_method(class_loader, "path2class", path2class, 1);
 }

lib/psych/visitors/to_ruby.rb

@@ -219,7 +219,8 @@ def visit_Psych_Nodes_Mapping o
             revive_data_members(members, o)
           end
           data ||= allocate_anon_data(o, members)
-          data.send(:initialize, **members)
+          init_struct(data, **members)
+          data.freeze
           data
 
         when /^!ruby\/object:?(.*)?$/