starting to create vm_method from ruby_method

issues galore though

lib/melon/compilers/method_compiler.rb

@@ -4,7 +4,31 @@ module Melon
     class MethodCompiler < AST::Processor
 
       def initialize( ruby_method )
-        @ruby_method
+        @ruby_method = ruby_method
+      end
+
+      def get_code
+        process(@ruby_method.source)
+      end
+
+      def on_ivasgn(statement)
+        name , value = *statement
+        w = Vm::Tree::Assignment.new()
+        w.name = Vm::Tree::NameExpression.new( name[1..-1].to_sym)
+        w.value = process(value)
+        w
+      end
+
+      def on_ivar( var )
+        name = var.children.first
+        w = Vm::Tree::FieldAccess.new()
+        w.receiver = Vm::Tree::NameExpression.new(:self)
+        w.field = Vm::Tree::NameExpression.new( name[1..-1].to_sym)
+        w
+      end
+
+      def on_int( expression)
+        Vm::Tree::IntegerExpression.new(expression.children.first)
       end
 
       def handler_missing(node)