3 files changed, 44 insertions, 36 deletions
diff --git a/ext/json/lib/json/add/complex.rb b/ext/json/lib/json/add/complex.rb
new file mode 100644
index 0000000000..d7ebebf5f7
--- /dev/null
+++ b/ext/json/lib/json/add/complex.rb
@@ -0,0 +1,22 @@
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+defined?(::Complex) or require 'complex'
+
+class Complex
+  def self.json_create(object)
+    Complex(object['r'], object['i'])
+  end
+
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'r'            => real,
+      'i'            => imag,
+    }
+  end
+
+  def to_json(*)
+    as_json.to_json
+  end
+end
diff --git a/ext/json/lib/json/add/core.rb b/ext/json/lib/json/add/core.rb
index 4624be22c2..1ae00d01a5 100644
--- a/ext/json/lib/json/add/core.rb
+++ b/ext/json/lib/json/add/core.rb
@@ -241,39 +241,3 @@ class Regexp
     as_json.to_json
   end
 end
-
-class Rational
-  def self.json_create(object)
-    Rational(object['n'], object['d'])
-  end
-
-  def as_json(*)
-    {
-      JSON.create_id => self.class.name,
-      'n'            => numerator,
-      'd'            => denominator,
-    }
-  end
-
-  def to_json(*)
-    as_json.to_json
-  end
-end
-
-class Complex
-  def self.json_create(object)
-    Complex(object['r'], object['i'])
-  end
-
-  def as_json(*)
-    {
-      JSON.create_id => self.class.name,
-      'r'            => real,
-      'i'            => imag,
-    }
-  end
-
-  def to_json(*)
-    as_json.to_json
-  end
-end
diff --git a/ext/json/lib/json/add/rational.rb b/ext/json/lib/json/add/rational.rb
new file mode 100644
index 0000000000..867cd92f05
--- /dev/null
+++ b/ext/json/lib/json/add/rational.rb
@@ -0,0 +1,22 @@
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+defined?(::Rational) or require 'rational'
+
+class Rational
+  def self.json_create(object)
+    Rational(object['n'], object['d'])
+  end
+
+  def as_json(*)
+    {
+      JSON.create_id => self.class.name,
+      'n'            => numerator,
+      'd'            => denominator,
+    }
+  end
+
+  def to_json(*)
+    as_json.to_json
+  end
+end