much work on boot process

fiddly egg and chicken, though a bit clearer with parfait objects now

lib/parfait/class.rb

@@ -22,6 +22,10 @@ module Parfait
       @object_layout = Layout.new_object(self)
     end
 
+    def object_layout
+      @object_layout
+    end
+
     def allocate_object
       #space, and ruby allocate
     end

lib/parfait/layout.rb

@@ -34,7 +34,7 @@ module Parfait
     #
     # TODO , later we would need to COPY the layout to keep the old constant
     #        but now we are concerned with booting, ie getting a working structure
-    def add_instance_name name
+    def add_instance_variable name
       self.push(name)
       self.get_length
     end

lib/parfait/module.rb

@@ -25,6 +25,9 @@ module Parfait
       @name
     end
 
+    def instance_methods
+      @instance_methods
+    end
     def add_instance_method method
       raise "not a method #{method.class} #{method.inspect}" unless method.is_a? Method
       raise "syserr #{method.name.class}" unless method.name.is_a? Word

lib/parfait/object.rb

@@ -37,23 +37,20 @@ module Parfait
     # data that every object carries.
     def get_class()
       l = get_layout()
-      puts "Layout #{l.class} in #{self.class}"
+      puts "Layout #{l.class} in #{self.class} , #{self}"
       l.get_object_class()
     end
 
+    # private
+    def set_layout(layout)
+      internal_object_set(LAYOUT_INDEX , layout)
+    end
+
     def get_layout()
       #puts "ME #{self.class}"
       return internal_object_get(LAYOUT_INDEX)
     end
 
-    # class stores the "latest" layout for instances, ie the layout a new object will
-    # be created with.
-    # inside parfait (and for now everywhere) these are constant.
-    @@EMPTY =  { :names => [] , :types => []}
-    def self.class_layout()
-      @@EMPTY
-    end
-
     def get_instance_variables
       get_layout().get_instance_variables
     end

lib/virtual/boot.rb

@@ -16,29 +16,42 @@ module Virtual
     #  (not use the normal initialize way)
     def boot_parfait!
       @space = Parfait::Space.new_object
-      boot_classes!
-      #space_layout =
-#      Parfait::Layout.new_object space_class
 
-#      puts "Space #{space.get_layout}"
+      values = [  "Value"  , "Integer" , "Kernel" ,  "Object"].collect {|cl| Virtual.new_word(cl) }
-    end
+      value_classes = values.collect { |cl| @space.create_class(cl) }
-
+      rest = [ "Word", "Space", "Layout", "Module" ,
-    def boot_classes!
+                "Class" , "Dictionary", "List"]
-      values = [ "Integer" , "Object" , "Value" , "Kernel"]
+      rest_layouts = { Virtual.new_word("Word") => [] ,
-      rest = ["Word" , "Class" , "Dictionary" , "Space" , "List", "Layout"]
+                       Virtual.new_word("Space") => ["classes","objects"],
-      (values + rest).each { |cl| @space.create_class(Virtual.new_word(cl)) }
+                       Virtual.new_word("Layout") => ["object_class"] ,
-      value_class = @space.get_class_by_name Virtual.new_word("Value")
+                       Virtual.new_word("Module") => ["name","instance_methods", "super_class", "meta_class"],
-      @space.get_class_by_name(Virtual.new_word("Integer")).set_super_class( value_class )
+                       Virtual.new_word("Class") => ["object_layout"],
-      object_class = @space.get_class_by_name(Virtual.new_word("Object"))
+                       Virtual.new_word("Dictionary") => ["keys" , "values"],
-      object_class.set_super_class( value_class )
+                       Virtual.new_word("List") => [] }
-      rest.each do |name|
+      rest_classes = rest_layouts.collect { |cl , lay| @space.create_class(cl) }
-          cl = @space.get_class_by_name( Virtual.new_word( name ))
+      rest_classes[1].set_super_class( value_classes[0] ) # #set superclass for object
-          cl.set_super_class(object_class)
+      rest_classes[3].set_super_class( value_classes[0] ) # and integer
+      rest_classes.each do |cl|                         # and the rest
+        cl.set_super_class(value_classes[3])
       end
-      boot_layouts!
+      # next create layouts by adding instance variable names to the layouts
-    end
+      rest_classes.each do |cl|
-    def boot_layouts!
+        name = cl.name
-
+        variables = rest_layouts[name]
+        variables.each do |var_name|
+          cl.object_layout.add_instance_variable Virtual.new_word(var_name)
+        end
+      end
+      # now update the layout on all objects created so far,
+      # go through objects in space
+      @space.objects.each do | o |
+        vm_name = o.class.name.split("::").last
+        index = rest.index(vm_name)
+        raise "Class not found #{o.class}" unless index
+        o.set_layout rest_classes[index].object_layout
+        puts "index #{index}"
+      end
+      # and go through the space instance variables which get created before the object list
     end
 
     # boot the classes, ie create a minimal set of classes with a minimal set of functions