move compiler to bosl and get first test working (adjusting syntax as i go)

lib/bosl/compiler/module_expression.rb

@@ -0,0 +1,25 @@
+module Bosl
+  module Compiler
+#    module attr_reader  :name ,:expressions
+    def self.compile_module expression , context
+      return clazz
+    end
+
+    def self.compile_class expression , method
+      clazz = Parfait::Space.object_space.get_class_by_name! expression.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 = Compiler.compile(expr,method  )
+        #puts "compiled expression #{expression_value.inspect}"
+      end
+
+      return expression_value
+    end
+  end
+end