adds basic to_mom machinery for class and method statement

lib/vool/statement.rb

@@ -24,6 +24,12 @@ module Vool
     def collect(arr)
       arr << self
     end
+
+    def to_mom( _ )
+      # temporary warning to find unimplemented kids
+      raise "Not implemented for #{self}"
+    end
+
     # create corresponding parfait objects, ie classes, types, methods
     # mainly implemented by class/method statement
     def create_objects

lib/vool/statements/class_statement.rb

@@ -11,6 +11,16 @@ module Vool
       end
     end
 
+    # compilation to the next layer, mom
+    # context coming in for class is nil, also for methods, henceafter a method is passed down
+    def to_mom( _ )
+      methods = []
+      @body.statements.each do |meth|
+        methods << meth.to_mom( nil )
+      end
+      methods
+    end
+
     def collect(arr)
       @body.collect(arr)
       super

lib/vool/statements/method_statement.rb

@@ -3,7 +3,20 @@ module Vool
     attr_reader :name, :args , :body , :clazz
 
     def initialize( name , args , body)
-      @name , @args , @body = name , args , (body || [])
+      @name , @args , @body = name , args , body
+      unless( body.is_a?(ScopeStatement))
+        @body = ScopeStatement.new([])
+        @body.statements << body if body
+      end
+
+    end
+
+    # compile to mom instructions. methods themselves do no result in instructions (yet)
+    # instead the resulting instruction tree is saved into the method object that
+    #  represents the method
+    def to_mom( _ )
+      method = @clazz.get_method( @name )
+      @body.to_mom(method)
     end
 
     def collect(arr)

lib/vool/statements/statements.rb

@@ -4,6 +4,14 @@ module Vool
     def initialize(statements)
       @statements = statements
     end
+
+    # create machine instructions
+    def to_mom( method )
+      @statements.collect do |statement|
+        statement.to_mom( method )
+      end
+    end
+
     def empty?
       @statements.empty?
     end

test/vool/to_mom/helper.rb

@@ -0,0 +1 @@
+require_relative "../helper"