Allow MiniPhase to be DenotTransformer

All MiniPhases now as are full-fledged phases,
and are given their own periods and can register DenotTransformers.
MiniPhases belonging to same group(list) will be squashed to single phase.

1 files changed, 8 insertions, 3 deletions

diff --git a/src/dotty/tools/dotc/core/Contexts.scala b/src/dotty/tools/dotc/core/Contexts.scala
index 38784ec0c..68daea440 100644
--- a/src/dotty/tools/dotc/core/Contexts.scala
+++ b/src/dotty/tools/dotc/core/Contexts.scala
@@ -25,7 +25,7 @@ import collection.immutable.BitSet
 import printing._
 import config.{Settings, ScalaSettings, Platform, JavaPlatform}
 import language.implicitConversions
-
+import DenotTransformers.DenotTransformer
 object Contexts {
 
   /** A context is passed basically everywhere in dotc.
@@ -387,7 +387,7 @@ object Contexts {
     def rootLoader(root: TermSymbol)(implicit ctx: Context): SymbolLoader = platform.rootLoader(root)
 
     // Set up some phases to get started */
-    usePhases(SomePhase :: Nil)
+    usePhases(List(List(SomePhase)))
 
     /** The standard definitions */
     val definitions = new Definitions
@@ -460,8 +460,13 @@ object Contexts {
     /** Phases by id */
     private[core] var phases: Array[Phase] = _
 
+    /** Phases with consecutive Transforms groupped into a single phase */
+    private [core] var squashedPhases: Array[Phase] = _
+
     /** Next denotation transformer id */
-    private[core] var nextTransformerId: Array[Int] = _
+    private[core] var nextDenotTransformerId: Array[Int] = _
+
+    private[core] var denotTransformers: Array[DenotTransformer] = _
 
     // Printers state
     /** Number of recursive invocations of a show method on cuyrrent stack */