org.wartremover.warts.TripleQuestionMark.scala Maven / Gradle / Ivy
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package org.wartremover
package warts
object TripleQuestionMark extends WartTraverser {
def apply(u: WartUniverse): u.Traverser = {
import u.universe._
val TripleQuestionMarkName = TermName("$qmark$qmark$qmark")
val predefSymbol = rootMirror.staticModule("scala.Predef")
new u.Traverser {
override def traverse(tree: Tree): Unit = {
tree match {
// Ignore trees marked by SuppressWarnings
case t if hasWartAnnotation(u)(t) =>
case Select(left, TripleQuestionMarkName) if left.symbol == predefSymbol =>
error(u)(tree.pos, "??? is disabled")
// TODO: This ignores a lot
case LabelDef(_, _, rhs) if isSynthetic(u)(tree) =>
case _ =>
super.traverse(tree)
}
}
}
}
}