remove StableEnum workaround after scala/scala3#23218 fix

Author: Oron Port

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

@@ -1,5 +1,4 @@
 package dfhdl.compiler.ir
-import dfhdl.internals.StableEnum
 import upickle.default.*
 opaque type ConfigN[T] = T | None.type
 object ConfigN:
@@ -55,7 +54,7 @@ end ConfigN
 
 /** Sets the policy for inclusing the clock or reset signals when they are not needed
   */
-enum ClkRstInclusionPolicy extends StableEnum derives CanEqual, ReadWriter:
+enum ClkRstInclusionPolicy derives CanEqual, ReadWriter:
   /** Don't include if not needed
     */
   case AsNeeded
@@ -66,7 +65,7 @@ enum ClkRstInclusionPolicy extends StableEnum derives CanEqual, ReadWriter:
 
 type ClkCfg = ConfigN[ClkCfg.Explicit]
 object ClkCfg:
-  enum Edge extends StableEnum derives CanEqual, ReadWriter:
+  enum Edge derives CanEqual, ReadWriter:
     case Rising, Falling
 
   final case class Explicit(
@@ -80,9 +79,9 @@ end ClkCfg
 
 type RstCfg = ConfigN[RstCfg.Explicit]
 object RstCfg:
-  enum Mode extends StableEnum derives CanEqual, ReadWriter:
+  enum Mode derives CanEqual, ReadWriter:
     case Async, Sync
-  enum Active extends StableEnum derives CanEqual, ReadWriter:
+  enum Active derives CanEqual, ReadWriter:
     case Low, High
 
   final case class Explicit(
@@ -94,7 +93,7 @@ object RstCfg:
         ReadWriter
 end RstCfg
 
-enum RTDomainCfg extends HasRefCompare[RTDomainCfg], StableEnum derives CanEqual, ReadWriter:
+enum RTDomainCfg extends HasRefCompare[RTDomainCfg] derives CanEqual, ReadWriter:
   case Derived
   case Related(relatedDomainRef: RTDomainCfg.RelatedDomainRef) extends RTDomainCfg
   case Explicit(name: String, clkCfg: ClkCfg, rstCfg: RstCfg) extends RTDomainCfg

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

@@ -260,10 +260,10 @@ object DFVal:
       def isPort: Boolean = mod.dir match
         case Modifier.IN | Modifier.OUT | Modifier.INOUT => true
         case _                                           => false
-    enum Dir extends StableEnum derives CanEqual, ReadWriter:
+    enum Dir derives CanEqual, ReadWriter:
       case VAR, IN, OUT, INOUT
     export Dir.{VAR, IN, OUT, INOUT}
-    enum Special extends StableEnum derives CanEqual, ReadWriter:
+    enum Special derives CanEqual, ReadWriter:
       case Ordinary, REG, SHARED
     export Special.{Ordinary, REG, SHARED}
 
@@ -502,7 +502,7 @@ object DFVal:
     ).asInstanceOf[this.type]
   end Special
   object Special:
-    enum Kind extends StableEnum derives CanEqual, ReadWriter:
+    enum Kind derives CanEqual, ReadWriter:
       case NOTHING, OPEN, CLK_FREQ
     export Kind.{NOTHING, OPEN, CLK_FREQ}
 
@@ -594,7 +594,7 @@ object DFVal:
   end Func
 
   object Func:
-    enum Op extends StableEnum derives CanEqual, ReadWriter:
+    enum Op derives CanEqual, ReadWriter:
       case +, -, *, /, ===, =!=, <, >, <=, >=, &, |, ^, %, ++
       case >>, <<, **, ror, rol, reverse, repeat
       case unary_-, unary_~, unary_!
@@ -746,7 +746,7 @@ object DFVal:
 
     object History:
       type InitRef = DFRef.TwoWay[DFVal, History]
-      enum Op extends StableEnum derives CanEqual, ReadWriter:
+      enum Op derives CanEqual, ReadWriter:
         case State // represents either `prev` in DF domain or `reg` in RT domain
         case Pipe // pipe only represents a pipe constraint under DF domain
       extension (history: DFVal.Alias.History)
@@ -949,7 +949,7 @@ end DFRange
 
 object DFRange:
   type Ref = DFRef.TwoWay[DFVal, DFRange]
-  enum Op extends StableEnum derives CanEqual, ReadWriter:
+  enum Op derives CanEqual, ReadWriter:
     case Until, To
 
 final case class DFNet(
@@ -978,7 +978,7 @@ end DFNet
 
 object DFNet:
   type Ref = DFRef.TwoWay[DFVal | DFInterfaceOwner, DFNet]
-  enum Op extends StableEnum derives CanEqual, ReadWriter:
+  enum Op derives CanEqual, ReadWriter:
     case Assignment, NBAssignment, Connection, ViaConnection, LazyConnection
   extension (net: DFNet)
     def isAssignment = net.op match
@@ -1482,12 +1482,12 @@ end DFDesignBlock
 
 object DFDesignBlock:
   import InstMode.BlackBox.Source
-  enum InstMode extends StableEnum derives CanEqual, ReadWriter:
+  enum InstMode derives CanEqual, ReadWriter:
     case Normal, Def, Simulation
     case BlackBox(source: Source)
   object InstMode:
     object BlackBox:
-      enum Source extends StableEnum derives CanEqual, ReadWriter:
+      enum Source derives CanEqual, ReadWriter:
         case NA
         case Files(path: List[String])
         case Library(libName: String, nameSpace: String)
@@ -1677,9 +1677,9 @@ end TextOut
 
 object TextOut:
   type AssertionRef = DFRef.TwoWay[DFVal, TextOut]
-  enum Severity extends StableEnum derives CanEqual, ReadWriter:
+  enum Severity derives CanEqual, ReadWriter:
     case Info, Warning, Error, Fatal
-  enum Op extends HasRefCompare[Op], StableEnum derives CanEqual, ReadWriter:
+  enum Op extends HasRefCompare[Op] derives CanEqual, ReadWriter:
     case Print, Println, Debug, Finish
     case Report(severity: Severity) extends Op
     case Assert(assertionRef: AssertionRef, severity: Severity) extends Op

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

@@ -249,7 +249,7 @@ final case class DFDecimal(
 end DFDecimal
 
 object DFDecimal extends DFType.Companion[DFDecimal, Option[BigInt]]:
-  enum NativeType extends StableEnum derives CanEqual, ReadWriter:
+  enum NativeType derives CanEqual, ReadWriter:
     case BitAccurate, Int32
   object NativeType:
     type BitAccurate = BitAccurate.type

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

@@ -1,8 +1,7 @@
 package dfhdl.compiler.ir
-import dfhdl.internals.StableEnum
 import upickle.default.*
 
-enum DomainType extends HasRefCompare[DomainType], StableEnum derives CanEqual, ReadWriter:
+enum DomainType extends HasRefCompare[DomainType] derives CanEqual, ReadWriter:
   // dataflow domain
   case DF
   // register-transfer domain

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

@@ -7,12 +7,12 @@ import dfhdl.internals.CommonOps.bitsWidth
 import dfhdl.internals.*
 import upickle.default.*
 
-enum InitFileFormat extends StableEnum derives CanEqual, ReadWriter:
+enum InitFileFormat derives CanEqual, ReadWriter:
   case Auto, VerilogBin, VerilogHex
   // AMDXilinxCOE, IntelAlteraMIF, IntelAlteraHEX
   // LatticeMEM, AMDXilinxMEM
 
-enum InitFileUndefinedValue extends StableEnum derives CanEqual, ReadWriter:
+enum InitFileUndefinedValue derives CanEqual, ReadWriter:
   case Bubbles, Zeros
 
 object InitFileFormat:

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

@@ -1,7 +1,6 @@
 package dfhdl.compiler.ir
 import upickle.default.*
 import scala.annotation.targetName
-import dfhdl.internals.StableEnum
 
 extension (bd: BigDecimal.type)
   private def apply(arg: Int | Long | Double): BigDecimal = arg match
@@ -75,7 +74,7 @@ object LiteralNumber:
 
 final case class TimeNumber(value: BigDecimal, unit: TimeNumber.Unit) extends PhysicalNumber
 object TimeNumber:
-  enum Unit extends PhysicalNumber.Unit, StableEnum derives ReadWriter:
+  enum Unit extends PhysicalNumber.Unit derives ReadWriter:
     case fs, ps, ns, us, ms, sec, mn, hr
   extension (lhs: TimeNumber)
     private def to_psVal: BigDecimal = lhs.unit match
@@ -116,7 +115,7 @@ end TimeNumber
 
 final case class FreqNumber(value: BigDecimal, unit: FreqNumber.Unit) extends PhysicalNumber
 object FreqNumber:
-  enum Unit extends PhysicalNumber.Unit, StableEnum derives ReadWriter:
+  enum Unit extends PhysicalNumber.Unit derives ReadWriter:
     case Hz, KHz, MHz, GHz
   extension (lhs: FreqNumber)
     def to_hz: FreqNumber =

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

@@ -1,5 +1,4 @@
 package dfhdl.compiler.ir
-import dfhdl.internals.StableEnum
 import upickle.default.*
 
 final case class SourceFile(
@@ -10,14 +9,14 @@ final case class SourceFile(
 ) derives CanEqual,
       ReadWriter
 
-enum SourceType extends StableEnum derives CanEqual, ReadWriter:
+enum SourceType derives CanEqual, ReadWriter:
   case Design
   case BlackBox
   case GlobalDef
   case DFHDLDef
   case Tool(toolName: String, srcType: String)
 
-enum SourceOrigin extends StableEnum derives CanEqual, ReadWriter:
+enum SourceOrigin derives CanEqual, ReadWriter:
   // Compiled files are a result from a compilation process.
   // These files exist only just in memory until they are committed.
   case Compiled

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

@@ -2,7 +2,6 @@ package dfhdl.compiler.ir
 import dfhdl.compiler.printing.{Printer, HasCodeString, refCodeString}
 import dfhdl.internals.*
 import upickle.default.*
-import dfhdl.internals.StableEnum
 
 object annotation:
   sealed abstract class HWAnnotation extends HasRefCompare[HWAnnotation], Product, Serializable,
@@ -39,7 +38,7 @@ object annotation:
     *   - prefix: $ownerName$sep$memberName
     *   - suffix: $memberName$sep$ownerName
     */
-  enum FlattenMode extends HWAnnotation, StableEnum derives ReadWriter:
+  enum FlattenMode extends HWAnnotation derives ReadWriter:
     case Transparent
     case Prefix(sep: String)
     case Suffix(sep: String)
@@ -109,7 +108,7 @@ object constraints:
       val props = properties.map { case (k, v) => s""""$k" -> "$v"""" }.mkString(", ")
       s"""@deviceProperties($props)"""
   object DeviceID:
-    enum Vendor extends StableEnum, HasCodeString derives CanEqual, ReadWriter:
+    enum Vendor extends HasCodeString derives CanEqual, ReadWriter:
       case XilinxAMD, Lattice, Gowin
       case AlteraIntel(pro: Boolean)
       def codeString(using Printer): String = "deviceID.Vendor." + this.toString
@@ -267,7 +266,7 @@ object constraints:
   end IO
   object IO:
     type LevelVolt = 3.3 | 3.0 | 2.5 | 1.8 | 1.5 | 1.2
-    enum Standard extends StableEnum, HasCodeString derives CanEqual, ReadWriter:
+    enum Standard extends HasCodeString derives CanEqual, ReadWriter:
       case LVCMOS, LVTTL, LVDS, SchmittTrigger
       def codeString(using Printer): String = "io.Standard." + this.toString
       def withLevelVolt(levelVolt: LevelVolt): String =
@@ -278,11 +277,11 @@ object constraints:
           case LVDS           => s"LVDS_$num"
           case SchmittTrigger =>
             throw new IllegalArgumentException("Found unexpected use of SchmittTrigger.")
-    enum SlewRate extends StableEnum, HasCodeString derives CanEqual, ReadWriter:
+    enum SlewRate extends HasCodeString derives CanEqual, ReadWriter:
       case SLOWEST, FASTEST
       case CUSTOM(value: Int)
       def codeString(using Printer): String = "io.SlewRate." + this.toString
-    enum PullMode extends StableEnum, HasCodeString derives CanEqual, ReadWriter:
+    enum PullMode extends HasCodeString derives CanEqual, ReadWriter:
       case UP, DOWN
       def codeString(using Printer): String = "io.PullMode." + this.toString
   end IO

internals/src/main/scala/dfhdl/internals/StableEnum.scala

@@ -1,6 +1,5 @@
 package dfhdl.tools
 import toolsCore.*
-import dfhdl.internals.StableEnum
 
 object linters:
   val verilator = Verilator
@@ -30,8 +29,8 @@ object simulators:
   object vivado
   final val xsim = vivado
 
-enum builders extends StableEnum derives CanEqual:
+enum builders derives CanEqual:
   case foss, vendor
 
-enum programmers extends StableEnum derives CanEqual:
+enum programmers derives CanEqual:
   case foss, vendor