first propper hoisting test

had to change course, normalising and object creation is not possible
in one go
have to now generate random tmp vars  that will have to be picked up
later (sorted by tmp_ prefix?)

lib/vool/statements/method_statement.rb

@@ -2,13 +2,10 @@ module Vool
   class MethodStatement < Statement
     attr_reader :name, :args , :body , :clazz
 
-    def initialize( name , args , body)
+    def initialize( name , args , body , clazz = nil)
       @name , @args , @body = name , args , body
-      unless( body.is_a?(ScopeStatement))
-        @body = ScopeStatement.new([])
-        @body.statements << body if body
-      end
-
+      @body = ScopeStatement.new([]) unless body
+      @clazz = clazz
     end
 
     # compile to mom instructions. methods themselves do no result in instructions (yet)
@@ -24,8 +21,8 @@ module Vool
       super
     end
 
-    def set_class(clazz)
-      @clazz = clazz
+    def normalize
+      MethodStatement.new( @name , @args , @body.normalize)
     end
 
     def create_objects
@@ -50,7 +47,7 @@ module Vool
     def make_frame
       type_hash = {}
       vars = []
-      @body.collect([]).each { |node| node.add_local(vars) }
+      @body.each([]).each { |node| node.add_local(vars) }
       vars.each { |var| type_hash[var] = :Object }
       Parfait::NamedList.type_for( type_hash )
     end