diff options
Diffstat (limited to 'src/dotty/tools/dotc/core/DenotTransformers.scala')
-rw-r--r-- | src/dotty/tools/dotc/core/DenotTransformers.scala | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/core/DenotTransformers.scala b/src/dotty/tools/dotc/core/DenotTransformers.scala index e1ee355d8..6daa028fc 100644 --- a/src/dotty/tools/dotc/core/DenotTransformers.scala +++ b/src/dotty/tools/dotc/core/DenotTransformers.scala @@ -5,6 +5,7 @@ import Periods._ import SymDenotations._ import Contexts._ import Types._ +import Symbols._ import Denotations._ import Phases._ import java.lang.AssertionError @@ -30,4 +31,19 @@ object DenotTransformers { /** The transformation method */ def transform(ref: SingleDenotation)(implicit ctx: Context): SingleDenotation } + + trait InfoTransformer extends DenotTransformer { + + def transformInfo(tp: Type, sym: Symbol)(implicit ctx: Context): Type + + /** The transformation method */ + def transform(ref: SingleDenotation)(implicit ctx: Context): SingleDenotation = { + val info1 = transformInfo(ref.info, ref.symbol) + if (info1 eq ref.info) ref + else ref match { + case ref: SymDenotation => ref.copySymDenotation(info = info1) + case _ => ref.derivedSingleDenotation(ref.symbol, info1) + } + } + } } |