passing values to macros

conceptually still a bit open, leaving the hack in for now
passing values to the macro instead of sol instances

lib/sol/macro_expression.rb

@@ -9,7 +9,22 @@ module Sol
     def to_slot(compiler)
       parts = name.to_s.split("_")
       class_name = "SlotMachine::#{parts.collect{|s| s.capitalize}.join}"
-      eval(class_name).new( self , *arguments)
+      # Hmm, slightly open issue how to pass args from sol to macro
+      # WIP, hack for comparison
+      args = arguments.collect {|arg|
+        case arg
+        when Sol::SymbolConstant
+          arg.value
+        when Sol::IntegerConstant
+          arg.value
+        when Sol::LocalVariable
+          arg.name
+        else
+          puts "unhandled #{arg}:#{arg.class}"
+          arg
+        end
+      }
+      eval(class_name).new( self , *args)
     end
 
     # When used as right hand side, this tells what data to move to get the result into