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package dotty.tools.dotc
package transform
import core._
import DenotTransformers.SymTransformer
import Phases.Phase
import Contexts.Context
import SymDenotations.SymDenotation
import TreeTransforms.MiniPhaseTransform
import Flags._, Symbols._
/** 1. Widens all private[this] and protected[this] qualifiers to just private/protected
* 2. Sets PureInterface flag for traits that only have pure interface members and that
* do not have initialization code. A pure interface member is either an abstract
* or alias type definition or a deferred val or def.
*/
class NormalizeFlags extends MiniPhaseTransform with SymTransformer { thisTransformer =>
override def phaseName = "normalizeFlags"
def transformSym(ref: SymDenotation)(implicit ctx: Context) = {
var newFlags = ref.flags &~ Local
if (newFlags != ref.flags) ref.copySymDenotation(initFlags = newFlags)
else ref
}
}
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