update and fix class compilation

lib/bosl/compiler/callsite_expression.rb

@@ -4,8 +4,8 @@ module Bosl
 
 #    call_site - attr_reader  :name, :args , :receiver
 
-    def on_call expession 
-      name , arguments , receiver = *expession
+    def on_call expression
+      name , arguments , receiver = *expression
       name = name.to_a.first
 
       if receiver

lib/bosl/compiler/module_expression.rb

@@ -1,23 +1,16 @@
 module Bosl
   Compiler.class_eval do
 #    module attr_reader  :name ,:expressions
-    def on_module expression 
+    def on_module expression
       return clazz
     end
 
     def on_class expression
-      clazz = Parfait::Space.object_space.get_class_by_name! expression.name
+      puts expression.inspect
+      name , derives , expressions = *expression
+      clazz = Parfait::Space.object_space.get_class_by_name! name
       #puts "Compiling class #{clazz.name.inspect}"
-      expression_value = nil
-      expression.expressions.each do |expr|
-        # check if it's a function definition and add
-        # if not, execute it, but that does means we should be in salama (executable), not ruby.
-        #  ie throw an error for now
-        raise "only functions for now #{expr.inspect}" unless expr.is_a? Ast::FunctionExpression
-        #puts "compiling expression #{expression}"
-        expression_value = process(expr  )
-        #puts "compiled expression #{expression_value.inspect}"
-      end
+      expression_value = process_all(expressions).last
 
       return expression_value
     end