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package scala.reflect

import scala.tools.nsc.Global

// Gives access to `private[reflect] def compactifyName`
object ReflectAccess {
  def flattenedOwner(g: Global)(sym: g.Symbol): g.Symbol = {
    val chain = sym.owner.ownerChain.dropWhile(o => o.isClass && !o.hasPackageFlag)
    if (chain.isEmpty) g.NoSymbol else chain.head
  }

  def flattenedName(g: Global)(sym: g.Symbol): g.Name = {
    val owner = sym.owner
    val prefix =
      if (owner.isRoot || owner == g.NoSymbol || owner.hasPackageFlag) ""
      else "" + flattenedName(g)(owner) + NameTransformer.NAME_JOIN_STRING
    val flat = prefix + sym.rawname
    val nameString = if (owner.isJava) flat else g.compactifyName(flat)
    if (sym.isType) g.newTypeNameCached(nameString) else g.newTermNameCached(nameString)
  }
}