OverrideMod.scala

package com.thealp.paripi.shared.warts

import org.wartremover.WartTraverser
import org.wartremover.WartUniverse

object OverrideMod extends WartTraverser {
  override def apply(u: WartUniverse): u.Traverser =
    new u.Traverser(this) {
      import q.reflect.*
      override def traverseTree(tree: Tree)(owner: Symbol): Unit = {
        tree match {
          case x: ValDef
            if x.symbol.flags.is(Flags.Implicit) && x.symbol.allOverriddenSymbols.nonEmpty && !x.pos.sourceCode
              .getOrElse("").contains("override") =>
            error(x.pos, "overrideしてるのにoverrideが付与されてない")
          case _ =>
        }
        super.traverseTree(tree)(owner)
      }
    }
}