Defined root context with imports

… and cleaned up and simplified other context-reated features.

4 files changed, 12 insertions, 6 deletions

diff --git a/src/dotty/tools/dotc/printing/PlainPrinter.scala b/src/dotty/tools/dotc/printing/PlainPrinter.scala
index ee3526d1b..fe67f5b89 100644
--- a/src/dotty/tools/dotc/printing/PlainPrinter.scala
+++ b/src/dotty/tools/dotc/printing/PlainPrinter.scala
@@ -354,5 +354,7 @@ class PlainPrinter(_ctx: Context) extends Printer {
         tree.fallbackToText(this)
     }
   }.close // todo: override in refined printer
+
+  def plain = this
 }
 
diff --git a/src/dotty/tools/dotc/printing/Printer.scala b/src/dotty/tools/dotc/printing/Printer.scala
index 6944c4ae2..af87302e4 100644
--- a/src/dotty/tools/dotc/printing/Printer.scala
+++ b/src/dotty/tools/dotc/printing/Printer.scala
@@ -87,5 +87,8 @@ abstract class Printer {
 
   /** Textual representation of tree */
   def toText[T >: Untyped](tree: Tree[T]): Text
+
+  /** A plain printer without any embellishments */
+  def plain: Printer
 }
 
diff --git a/src/dotty/tools/dotc/printing/Printers.scala b/src/dotty/tools/dotc/printing/Printers.scala
index ba1cf83bb..7107ccb78 100644
--- a/src/dotty/tools/dotc/printing/Printers.scala
+++ b/src/dotty/tools/dotc/printing/Printers.scala
@@ -5,11 +5,10 @@ import core.Contexts.Context
 
 trait Printers { this: Context =>
 
-  /** A creation method for printers, depending on debug option */
-  def printerFn = if (this.debug) plainPrinter else refinedPrinter
-
-  /** A function creatung a printer */
-  def printer = printerFn(this)
-
+  /** A function creating a printer */
+  def printer = {
+    val pr = printerFn(this)
+    if (this.debug) pr.plain else pr
+  }
 }
 
diff --git a/src/dotty/tools/dotc/printing/RefinedPrinter.scala b/src/dotty/tools/dotc/printing/RefinedPrinter.scala
index 87441f7b7..fe6711e7f 100644
--- a/src/dotty/tools/dotc/printing/RefinedPrinter.scala
+++ b/src/dotty/tools/dotc/printing/RefinedPrinter.scala
@@ -394,4 +394,6 @@ class RefinedPrinter(_ctx: Context) extends PlainPrinter(_ctx) {
   }
 
   override def toText(denot: Denotation): Text = toText(denot.symbol)
+
+  override def plain = new PlainPrinter(_ctx)
 }