debugging missing layout

lib/virtual/passes/collector.rb

@@ -0,0 +1,33 @@
+module Virtual
+
+  # garbage collect anything that is in the space but not reachable from init
+  class Collector
+    def run
+      @keepers = []
+      init= Parfait::Space.object_space.get_class_by_name("Kernel").get_instance_method "__init__"
+      keep init
+    end
+
+    def keep object
+      return if @keepers.include? object
+      layout = object.get_layout
+      begin
+        puts "Object #{object.class} #{Parfait::Space.object_space.objects.include?(object)}"
+        puts "Object #{layout.object_id} #{Parfait::Space.object_space.objects.include?(layout)}"
+        keep layout
+      rescue => e
+        puts "for #{object.name}"
+        raise e
+      end
+      layout.each do |name|
+        inst = object.instance_variable_get "@#{name}".to_sym
+        keep inst
+      end
+      if object.is_a? Parfait::List
+        object.each do |item|
+          keep item
+        end
+      end
+    end
+  end
+end

lib/virtual/passes/minimizer.rb

@@ -37,8 +37,9 @@ module Virtual
     end
 
     def dump_remaining
-      names = @gonners.collect {|f| f.name }
-      puts "Dump #{names}"
+      @gonners.each do |method|
+        method.for_class.remove_instance_method method
+      end
     end
   end
 end