Improved the quality of the breakpointing -- especially under FCGI

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@146 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/lib/breakpoint.rb

@@ -141,7 +141,7 @@ def method_missing(method, *args)
         end
 
         unless [true, false, nil].include?(result)
-          result.extend(DRbUndumped) rescue nil
+          result.extend(DRbUndumped) if result
         end
 
         return result
@@ -188,7 +188,7 @@ def handle_breakpoint(context, message, file = "", line = "", &block) # :nodoc:
         @__bp_file = #{file.inspect}
         @__bp_line = #{line}
         extend Breakpoint::CommandBundle
-        extend DRbUndumped
+        extend DRbUndumped if self
       }, context) rescue nil
 
       if not use_drb? then

railties/lib/breakpoint_client.rb

@@ -88,9 +88,12 @@
     begin
       service.register_eval_handler do |code|
         result = eval(code, TOPLEVEL_BINDING)
-        result.extend(DRb::DRbUndumped) rescue nil
-        result
-      end
+        if result
+          DRbObject.new(result)
+        else
+          result
+        end
+      end 
 
       service.register_collision_handler do
         msg = [