update reader

2014-06-26 11:34:48 +03:00
parent b9ddd75a33
commit 9d0d5aa431
3 changed files with 11 additions and 5 deletions
--- a/lib/virtual/machine.rb
+++ b/lib/virtual/machine.rb
@ -42,8 +42,14 @@ module Vm
      # storage is a linked list. Has the same api as a ha
      @bindings = List.new
    end
+    # run the instruction stream given. Instructions are a graph and executing means traversing it.
+    # If there is no next instruction the machine stops
    def run instruction
-      instruction.execute
+      while instruction do
+        next_instruction = instruction.next
+        instruction.execute
+        instruction = next_instruction
+      end
    end
  end
 end