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Diffstat (limited to 'src/dotty/tools/dotc/core/Phases.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Phases.scala | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/core/Phases.scala b/src/dotty/tools/dotc/core/Phases.scala index 970a9297a..83ac64d53 100644 --- a/src/dotty/tools/dotc/core/Phases.scala +++ b/src/dotty/tools/dotc/core/Phases.scala @@ -347,6 +347,13 @@ object Phases { override def toString = phaseName } + /** Replace all instances of `oldPhaseClass` in `current` phases + * by the result of `newPhases` applied to the old phase. + */ + def replace(oldPhaseClass: Class[_ <: Phase], newPhases: Phase => List[Phase], current: List[List[Phase]]): List[List[Phase]] = + current.map(_.flatMap(phase => + if (oldPhaseClass.isInstance(phase)) newPhases(phase) else phase :: Nil)) + /** Dotty deviation: getClass yields Class[_], instead of [Class <: <type of receiver>]. * We can get back the old behavior using this decorator. We should also use the same * trick for standard getClass. |