Make pickling output printer-dependent.

3 files changed, 5 insertions, 3 deletions

diff --git a/src/dotty/tools/dotc/config/Printers.scala b/src/dotty/tools/dotc/config/Printers.scala
index f8d7f8de5..d1738ee6f 100644
--- a/src/dotty/tools/dotc/config/Printers.scala
+++ b/src/dotty/tools/dotc/config/Printers.scala
@@ -30,4 +30,5 @@ object Printers {
   val config = noPrinter
   val transforms = noPrinter
   val cyclicErrors = noPrinter
+  val pickling = noPrinter
 }
\ No newline at end of file
diff --git a/src/dotty/tools/dotc/core/pickling/TreeBuffer.scala b/src/dotty/tools/dotc/core/pickling/TreeBuffer.scala
index 870e97724..41a08d2ca 100644
--- a/src/dotty/tools/dotc/core/pickling/TreeBuffer.scala
+++ b/src/dotty/tools/dotc/core/pickling/TreeBuffer.scala
@@ -5,6 +5,7 @@ package pickling
 
 import util.Util.{bestFit, dble}
 import TastyBuffer.{Addr, AddrWidth}
+import config.Printers.pickling
 
 class TreeBuffer extends TastyBuffer(1000000) {
 
@@ -157,6 +158,6 @@ class TreeBuffer extends TastyBuffer(1000000) {
     } while (saved > 0 && length / saved < 100)
     adjustOffsets()
     val wasted = compress()
-    println(s"original length: $origLength, compressed to: $length, wasted: $wasted") // DEBUG, for now.
+    pickling.println(s"original length: $origLength, compressed to: $length, wasted: $wasted") // DEBUG, for now.
   }
 }
diff --git a/src/dotty/tools/dotc/transform/Pickler.scala b/src/dotty/tools/dotc/transform/Pickler.scala
index 4d2e41644..c578b56c7 100644
--- a/src/dotty/tools/dotc/transform/Pickler.scala
+++ b/src/dotty/tools/dotc/transform/Pickler.scala
@@ -6,6 +6,7 @@ import TreeTransforms._
 import Contexts.Context
 import Decorators._
 import pickling._
+import config.Printers
 
 /** This miniphase pickles trees */
 class Pickler extends MiniPhaseTransform { thisTransform =>
@@ -22,8 +23,7 @@ class Pickler extends MiniPhaseTransform { thisTransform =>
         bytes.iterator.grouped(10).toList.zipWithIndex.map {
           case (row, i) => s"${i}0: ${row.mkString(" ")}"
         }
-      //println(s"written:\n${rawBytes.mkString("\n")}")
-      new TastyPrinter(bytes).printContents()
+      if (Printers.pickling ne Printers.noPrinter) new TastyPrinter(bytes).printContents()
     }
     tree
   }