org.wartremover.warts.Overloading.scala Maven / Gradle / Ivy
package org.wartremover
package warts
object Overloading extends WartTraverser {
def apply(u: WartUniverse): u.Traverser = {
new u.Traverser(this) {
import q.reflect.*
override def traverseTree(tree: Tree)(owner: Symbol): Unit = {
tree match {
case t if hasWartAnnotation(t) =>
case t: ClassDef =>
// TODO
val parentMethodNames: Set[String] = (
t.parents.flatMap(_.symbol.methodMembers) ++
TypeRepr.of[AnyRef].classSymbol.toList.flatMap(_.methodMembers)
).map(_.name).toSet
val methods = t.body.collect { case d: DefDef => d }
val overloads = methods
.groupBy(_.name)
.map(_._2.filterNot(t => hasWartAnnotation(t)).filterNot(_.symbol.flags.is(Flags.Override)))
.filter(f => f.sizeIs > 1)
overloads.flatten.foreach { method =>
error(method.pos, "Overloading is disabled")
}
super.traverseTree(tree)(owner)
case _ =>
super.traverseTree(tree)(owner)
}
}
}
}
}