crystal says Hello.

lib/ast/basic_expressions.rb

@@ -29,8 +29,9 @@ module Ast
     end
 
     def compile context
-      # TODO check if needst to be added?
-      Vm::ObjectReference.new( Vm::StringValue.new(string) )
+      value = Vm::StringLiteral.new(string)
+      context.program.add_object value 
+      value
     end
     def == other
       compare other ,  [:string]

lib/ast/operator_expressions.rb

@@ -12,8 +12,8 @@ module Ast
       fun = Vm::FunctionCall.new( name , args.collect{ |a| a.compile(context) } )
       fun.assign_function context
       fun.load_args
-      #puts "funcall #{self.inspect}"
       fun.do_call
+      fun
     end
   
     def == other