move space to parfait

Also make the machine the singleton
and space hang off it

Many repercussions, not all fixed in this commit

lib/virtual/passes/enter_implementation.rb

@@ -13,5 +13,5 @@ module Virtual
       end
     end
   end
-  Virtual::BootSpace.space.add_pass "Virtual::EnterImplementation"
+  Virtual::Machine.instance.add_pass "Virtual::EnterImplementation"
 end

lib/virtual/passes/frame_implementation.rb

@@ -23,7 +23,7 @@ module Virtual
         else
           next
         end
-        space = BootSpace.space
+        space = Space.space
         slot = Virtual::Slot
         # a place to store a reference to the space, we grab the next_frame from the space
         space_tmp = Register::RegisterReference.new(Virtual::Message::TMP_REG)
@@ -46,5 +46,5 @@ module Virtual
       end
     end
   end
-  Virtual::BootSpace.space.add_pass "Virtual::FrameImplementation"
+  Virtual::Machine.instance.add_pass "Virtual::FrameImplementation"
 end

lib/virtual/passes/get_implementation.rb

@@ -11,5 +11,5 @@ module Virtual
       end
     end
   end
-  Virtual::BootSpace.space.add_pass "Virtual::GetImplementation"
+  Virtual::Machine.instance.add_pass "Virtual::GetImplementation"
 end

lib/virtual/passes/send_implementation.rb

@@ -26,7 +26,7 @@ module Virtual
           else
             # note: this is the current view: call internal send, even the method name says else
             # but send is "special" and accesses the internal method name and resolves.
-            kernel = Virtual::BootSpace.space.get_or_create_class(:Kernel)
+            kernel = Virtual::Space.space.get_or_create_class(:Kernel)
             method = kernel.get_instance_method(:__send)
             new_codes << MethodCall.new( method )
             raise "unimplemented #{code}"