Adress reviewers comments

Author: odersky

compiler/src/dotty/tools/dotc/core/SymDenotations.scala

@@ -102,11 +102,10 @@ trait SymDenotations { this: Context =>
 
   /** Configurable: Accept stale symbol with warning if in IDE */
   def acceptStale(denot: SingleDenotation): Boolean =
-    (mode.is(Mode.Interactive) && Config.ignoreStaleInIDE) && {
-      ctx.warning(denot.staleSymbolMsg)
+    mode.is(Mode.Interactive) && Config.ignoreStaleInIDE && {
+      ctx.echo(denot.staleSymbolMsg)
       true
     }
-
 }
 
 object SymDenotations {

compiler/src/dotty/tools/dotc/interactive/InteractiveCompiler.scala

@@ -15,7 +15,4 @@ class InteractiveCompiler extends Compiler {
   override def phases: List[List[Phase]] = List(
     List(new FrontEnd)
   )
-
-  override def rootContext(implicit ctx: Context) =
-    super.rootContext.fresh.addMode(Mode.Interactive)
 }

compiler/src/dotty/tools/dotc/interactive/InteractiveDriver.scala

@@ -33,7 +33,7 @@ class InteractiveDriver(settings: List[String]) extends Driver {
   override def sourcesRequired = false
 
   private val myInitCtx: Context = {
-    val rootCtx = initCtx.fresh.addMode(Mode.ReadPositions)
+    val rootCtx = initCtx.fresh.addMode(Mode.ReadPositions).addMode(Mode.Interactive)
     rootCtx.setSetting(rootCtx.settings.YretainTrees, true)
     val ctx = setup(settings.toArray, rootCtx)._2
     ctx.initialize()(ctx)