* ext/psych/lib/psych/visitors/to_ruby.rb: Ruby modules can be loaded

from YAML files.
* ext/psych/lib/psych/visitors/yaml_tree.rb: Ruby modules can be
  dumped to YAML files.
* test/psych/test_class.rb: corresponding test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31960 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Thu Jun  9 09:18:51 2011  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/lib/psych/visitors/to_ruby.rb: Ruby modules can be loaded
+	  from YAML files.
+	* ext/psych/lib/psych/visitors/yaml_tree.rb: Ruby modules can be
+	  dumped to YAML files.
+	* test/psych/test_class.rb: corresponding test.
+
 Thu Jun  9 09:05:04 2011  Aaron Patterson <aaron@tenderlovemaking.com>
 
 	* ext/psych/lib/psych/visitors/to_ruby.rb: Ruby classes can be loaded

ext/psych/lib/psych/visitors/to_ruby.rb

@@ -57,7 +57,7 @@ module Psych
           Complex(o.value)
         when "!ruby/object:Rational"
           Rational(o.value)
-        when "!ruby/class"
+        when "!ruby/class", "!ruby/module"
           resolve_class o.value
         when "tag:yaml.org,2002:float", "!float"
           Float(@ss.tokenize(o.value))

ext/psych/lib/psych/visitors/yaml_tree.rb

@@ -246,6 +246,11 @@ module Psych
         end
       end
 
+      def visit_Module o
+        raise TypeError, "can't dump anonymous module: #{o}" unless o.name
+        @emitter.scalar o.name, nil, '!ruby/module', false, false, Nodes::Scalar::SINGLE_QUOTED
+      end
+
       def visit_Class o
         raise TypeError, "can't dump anonymous class: #{o}" unless o.name
         @emitter.scalar o.name, nil, '!ruby/class', false, false, Nodes::Scalar::SINGLE_QUOTED

test/psych/test_class.rb

@@ -2,12 +2,21 @@ require 'psych/helper'
 
 module Psych
   class TestClass < TestCase
+    module Foo
+    end
+
     def test_cycle_anonymous_class
       assert_raises(::TypeError) do
         assert_cycle(Class.new)
       end
     end
 
+    def test_cycle_anonymous_module
+      assert_raises(::TypeError) do
+        assert_cycle(Module.new)
+      end
+    end
+
     def test_cycle
       assert_cycle(TestClass)
     end
@@ -15,5 +24,13 @@ module Psych
     def test_dump
       Psych.dump TestClass
     end
+
+    def test_cycle_module
+      assert_cycle(Foo)
+    end
+
+    def test_dump_module
+      Psych.dump Foo
+    end
   end
 end