bring back companionApplyFieldsTypesDefaults for future use

Author: cvogt

src/main/scala/Defaults.scala

@@ -18,7 +18,7 @@ class DefaultsMacros( val c: Context ) {
  q"new{ ..$defs }"
  }
 
- def constructorFieldsTypesDefaults( tpe: Type ): List[( String, Type, Option[Tree] )] = {
+ private def constructorFieldsTypesDefaults( tpe: Type ): List[( String, Type, Option[Tree] )] = {
  val m = tpe.decls.collectFirst {
  case m: MethodSymbol if m.isPrimaryConstructor => m
  }.head.paramLists.flatten.zipWithIndex
@@ -37,4 +37,21 @@ class DefaultsMacros( val c: Context ) {
  )
  }.toList
  }
+
+ private def companionApplyFieldsTypesDefaults( tpe: Type ): List[( String, Type, Option[Tree] )] = {
+ tpe.companion.member( TermName( "apply" ) ).asTerm.alternatives.find( _.isSynthetic ).get.asMethod.paramLists.flatten.zipWithIndex.map {
+ case ( field, i ) =>
+ (
+ field.name.toTermName.decodedName.toString,
+ field.infoIn( tpe ),
+ {
+ val method = TermName( s"apply$$default$$${i + 1}" )
+ tpe.companion.member( method ) match {
+ case NoSymbol => None
+ case _ => Some( q"${tpe.typeSymbol.companion}.$method" )
+ }
+ }
+ )
+ }.toList
+ }
 }