[json] Stop using prototype objects

1 files changed, 2 insertions, 5 deletions

diff --git a/ext/json/ext/generator/generator.c b/ext/json/ext/generator/generator.c
index 80d1ca7..2e802c8 100644
--- a/ext/json/ext/generator/generator.c
+++ b/ext/json/ext/generator/generator.c
@@ -15,8 +15,7 @@ static VALUE mJSON, mExt, mGenerator, cState, mGeneratorMethods, mObject,
 #endif
              mFloat, mString, mString_Extend,
              mTrueClass, mFalseClass, mNilClass, eGeneratorError,
-             eNestingError,
-             i_SAFE_STATE_PROTOTYPE;
+             eNestingError;
 
 static ID i_to_s, i_to_json, i_new, i_indent, i_space, i_space_before,
           i_object_nl, i_array_nl, i_max_nesting, i_allow_nan, i_ascii_only,
@@ -1166,8 +1165,7 @@ static VALUE cState_from_state_s(VALUE self, VALUE opts)
     } else if (rb_obj_is_kind_of(opts, rb_cHash)) {
         return rb_funcall(self, i_new, 1, opts);
     } else {
-        VALUE prototype = rb_const_get(mJSON, i_SAFE_STATE_PROTOTYPE);
-        return rb_funcall(prototype, i_dup, 0);
+        return rb_class_new_instance(0, NULL, cState);
     }
 }
 
@@ -1608,5 +1606,4 @@ void Init_generator(void)
     i_encoding = rb_intern("encoding");
     i_encode = rb_intern("encode");
 #endif
-    i_SAFE_STATE_PROTOTYPE = rb_intern("SAFE_STATE_PROTOTYPE");
 }