* ext/psych/lib/psych/coder.rb (represent_object): arbitrary objects

  may be passed to the Psych::Coder object.
* ext/psych/lib/psych/visitors/yaml_tree.rb: support for visiting
  arbitrary objects set on the coder.
* test/psych/test_coder.rb: supporting test case.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 0 deletions

diff --git a/test/psych/test_coder.rb b/test/psych/test_coder.rb
index c171c5ad0d..4809b13d5d 100644
--- a/test/psych/test_coder.rb
+++ b/test/psych/test_coder.rb
@@ -89,6 +89,17 @@ module Psych
       end
     end
 
+    class RepresentWithObject
+      def encode_with coder
+        coder.represent_object self.class.name, 20
+      end
+    end
+
+    def test_represent_with_object
+      thing = Psych.load(Psych.dump(RepresentWithObject.new))
+      assert_equal 20, thing
+    end
+
     def test_json_dump_exclude_tag
       refute_match('TestCoder::InitApi', Psych.to_json(InitApi.new))
     end