fixup names in builtin module

lib/builtin/integer.rb

@@ -1,6 +1,6 @@
 #integer related kernel functions
 module Builtin
-  module Kernel
+  module Integer
     # The conversion to base10 is quite a bit more complicated than i thought. The bulk of it is in div10
     # We set up variables, do the devision and write the result to the string
     # then check if were done and recurse if neccessary

lib/builtin/kernel.rb

@@ -0,0 +1,34 @@
+module Builtin
+  module Kernel
+    module ClassMethods
+      # main entry point, ie __init__ calls this
+      # defined here as empty, to be redefined
+      def main context
+        function = Virtual::CompiledMethod.new(:main , [] , Virtual::Integer)
+        return function
+      end
+      # this is the really really first place the machine starts.
+      # it isn't really a function, ie it is jumped to (not called), exits and may not return
+      # so it is responsible for initial setup (and relocation)
+      def __init__ context
+        function = Virtual::CompiledMethod.new(:__init__ , [] , Virtual::Integer)
+        return function
+      end
+      def putstring context 
+        function = Virtual::CompiledMethod.new(:putstring , [] )
+        return function
+        ret = Virtual::RegisterMachine.instance.write_stdout(function)
+        function.set_return ret
+        function
+      end
+      def exit context
+        function = Virtual::CompiledMethod.new(:exit , [] , Virtual::Integer)
+        return function
+        ret = Virtual::RegisterMachine.instance.exit(function)
+        function.set_return ret
+        function
+      end
+    end
+    extend ClassMethods
+  end
+end

lib/builtin/object.rb

@@ -78,4 +78,4 @@ end
 require_relative "integer"
 require_relative "string"
 require_relative "array"
-require_relative "system"
+require_relative "kernel"

lib/builtin/string.rb

@@ -1,13 +1,4 @@
 module Builtin
-  module Kernel
-    def self.putstring context 
-      function = Virtual::CompiledMethod.new(:putstring , [] )
-      return function
-      ret = Virtual::RegisterMachine.instance.write_stdout(function)
-      function.set_return ret
-      function
-    end
-  end
   class String
     module ClassMethods
       def get context , index = Virtual::Integer

lib/builtin/system.rb

@@ -1,11 +0,0 @@
-module Builtin
-  module Kernel
-    def self.exit context
-      function = Virtual::CompiledMethod.new(:exit , [] , Virtual::Integer)
-      return function
-      ret = Virtual::RegisterMachine.instance.exit(function)
-      function.set_return ret
-      function
-    end
-  end
-end