* lib/pp.rb (PP::ObjectMixin#pretty_print): use to_s regardless of

instance variables.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25683 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Nov  7 21:02:57 2009  Tanaka Akira  <akr@fsij.org>
+
+	* lib/pp.rb (PP::ObjectMixin#pretty_print): use to_s regardless of
+	  instance variables.
+
 Sat Nov  7 20:59:11 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm_insnhelper.c (vm_push_frame): get rid of out-of-bounds

lib/pp.rb

@@ -270,7 +270,7 @@ class PP < PrettyPrint
   module ObjectMixin
     # 1. specific pretty_print
     # 2. specific inspect
-    # 3. specific to_s if instance variable is empty
+    # 3. specific to_s
     # 4. generic pretty_print
 
     # A default pretty printing method for general objects.
@@ -296,8 +296,7 @@ class PP < PrettyPrint
         q.text self.inspect
       elsif !inspect_method && self.respond_to?(:inspect)
         q.text self.inspect
-      elsif to_s_method && /\(Kernel\)#/ !~ to_s_method.inspect &&
-            instance_variables.empty?
+      elsif to_s_method && /\(Kernel\)#/ !~ to_s_method.inspect
         q.text self.to_s
       elsif !to_s_method && self.respond_to?(:to_s)
         q.text self.to_s

test/test_pp.rb

@@ -107,7 +107,6 @@ class PPInspectTest < Test::Unit::TestCase
     a.instance_eval { @a = nil }
     result = PP.pp(a, '')
     assert_equal("#{a.inspect}\n", result)
-    assert_match(/\A#<Object.*>\n\z/m, result)
     a = 1.0
     a.instance_eval { @a = nil }
     result = PP.pp(a, '')