org.wartremover.warts.Var.scala Maven / Gradle / Ivy
package org.wartremover
package warts
object Var extends WartTraverser {
def apply(u: WartUniverse): u.Traverser = {
new u.Traverser(this) {
import q.reflect.*
private def notXmlTypes(t: ValDef): Boolean = {
!t.tpt.tpe.typeSymbol.fullName.startsWith("scala.xml.")
}
override def traverseTree(tree: Tree)(owner: Symbol): Unit = {
tree match {
case t if hasWartAnnotation(t) =>
case t: ValDef if t.symbol.flags.is(Flags.Mutable) && !t.symbol.flags.is(Flags.Synthetic) && notXmlTypes(t) =>
error(t.pos, "var is disabled")
case _ =>
super.traverseTree(tree)(owner)
}
}
}
}
}