some more annotation prep

Author: Oron Port

compiler/ir/src/main/scala/dfhdl/compiler/ir/Config.scala

@@ -35,6 +35,15 @@ object ConfigN:
     def flatMap[R](f: T => ConfigN[R]): ConfigN[R] = x match
       case None                => None
       case value: T @unchecked => f(value)
+    def toList: List[T] = x match
+      case None                => Nil
+      case value: T @unchecked => List(value)
+  end extension
+  extension [T <: DFRefAny](x: ConfigN[T])
+    def =~(that: ConfigN[T])(using MemberGetSet): Boolean = (x, that) match
+      case (None, None)                          => true
+      case (t: T @unchecked, that: T @unchecked) => t =~ that
+      case _                                     => false
 end ConfigN
 
 /** Sets the policy for inclusing the clock or reset signals when they are not needed

compiler/ir/src/main/scala/dfhdl/compiler/ir/annotation.scala

@@ -1,5 +1,5 @@
 package dfhdl.compiler.ir
-import dfhdl.compiler.printing.{Printer, HasCodeString}
+import dfhdl.compiler.printing.{Printer, HasCodeString, refCodeString}
 import dfhdl.internals.*
 import upickle.default.*
 import dfhdl.internals.StableEnum
@@ -73,12 +73,13 @@ object constraints:
 
   private def csParam[T](name: String, value: ConfigN[T])(using printer: Printer): String =
     value match
-      case None              => ""
-      case cs: HasCodeString => s"$name = ${cs.codeString}"
-      case str: String       => s"$name = \"$str\""
-      case num: FreqNumber   => s"$name = ${printer.csDFFreqData(num)}"
-      case num: TimeNumber   => s"$name = ${printer.csDFTimeData(num)}"
-      case _                 => s"$name = ${value}"
+      case None                            => ""
+      case ref: DFRef.TwoWayAny @unchecked => s"$name = ${ref.refCodeString}"
+      case cs: HasCodeString               => s"$name = ${cs.codeString}"
+      case str: String                     => s"$name = \"$str\""
+      case num: FreqNumber                 => s"$name = ${printer.csDFFreqData(num)}"
+      case num: TimeNumber                 => s"$name = ${printer.csDFTimeData(num)}"
+      case _                               => s"$name = ${value}"
 
   final case class IO(
       bitIdx: ConfigN[Int] = None,

core/src/main/scala/dfhdl/hw/annotation.scala

@@ -6,8 +6,8 @@ import dfhdl.compiler.printing.{Printer, HasCodeString}
 import scala.annotation.StaticAnnotation
 import dfhdl.internals.*
 import scala.annotation.Annotation
-import dfhdl.internals.StableEnum
 import dfhdl.compiler.ir
+import dfhdl.core.*
 
 object annotation:
   sealed abstract class HWAnnotation extends StaticAnnotation: