start on class compiler

idea is to get cleaner layer seperation
reduce machine and rework builtin boot

lib/mom/class_compiler.rb

@@ -0,0 +1,10 @@
+module Mom
+  class ClassCompiler
+    attr_reader :clazz , :methods
+
+    def initialize(clazz , methods)
+      @clazz = clazz
+      @methods = methods
+    end
+  end
+end

lib/mom/mom.rb

@@ -15,3 +15,4 @@ module Mom
 end
 
 require_relative "instruction/instruction.rb"
+require_relative "class_compiler"

lib/parfait/vool_method.rb

@@ -20,6 +20,7 @@ module Parfait
       raise "args_type must be type" unless args_type.is_a?(Parfait::Type)
       raise "frame_type must be type" unless frame_type.is_a?(Parfait::Type)
       raise "source must be vool" unless source.is_a?(Vool::Statement)
+      raise "Empty bod" if(source.is_a?(Vool::Statements) and source.empty?)
     end
 
     def create_typed_method( type )
@@ -27,6 +28,11 @@ module Parfait
       type.create_method( @name , @args_type , @frame_type)
     end
 
+    def compile_to_mom(for_type)
+      typed_method = create_typed_method(for_type)
+      source.to_mom( typed_method )
+    end
+
     def compile_to_risc(for_type)
       typed_method = create_typed_method(for_type)
       head = source.to_mom( typed_method )

lib/vool/class_statement.rb

@@ -24,12 +24,12 @@ module Vool
 
     def to_mom( _ )
       create_class_object
-      mom = []
+      methods = []
       body.statements.each do |node|
         raise "Only methods for now #{node}" unless node.is_a?(MethodStatement)
-        mom << node.to_mom(@clazz)
+        methods << node.to_mom(@clazz)
       end
-      mom
+      Mom::ClassCompiler.new(@clazz , methods)
     end
 
     def each(&block)

lib/vool/statements.rb

@@ -31,8 +31,9 @@ module Vool
     # create mom instructions
     def to_mom( method )
       raise "Empty list ? #{statements.length}" if empty?
-      flat = @statements.shift.to_mom(method)
-      while( nekst = @statements.shift )
+      stats = @statements.dup
+      flat = stats.shift.to_mom(method)
+      while( nekst = stats.shift )
         flat.append nekst.to_mom(method)
       end
       flat