More low-level printing under -Yprint-debug

Author: odersky

Diff for: compiler/src/dotty/tools/dotc/printing/PlainPrinter.scala

@@ -429,7 +429,7 @@ class PlainPrinter(_ctx: Context) extends Printer {
   def toText(sym: Symbol): Text =
     (kindString(sym) ~~ {
       if (sym.isAnonymousClass) toTextParents(sym.info.parents) ~~ "{...}"
-      else if (hasMeaninglessName(sym)) simpleNameString(sym.owner) + idString(sym)
+      else if (hasMeaninglessName(sym) && !printDebug) simpleNameString(sym.owner) + idString(sym)
       else nameString(sym)
     }).close
 

Diff for: compiler/src/dotty/tools/dotc/printing/RefinedPrinter.scala

@@ -93,7 +93,7 @@ class RefinedPrinter(_ctx: Context) extends PlainPrinter(_ctx) {
     tp match {
       case tp: ThisType if !printDebug =>
         if (tp.cls.isAnonymousClass) return keywordStr("this")
-        if (tp.cls is ModuleClass) return fullNameString(tp.cls.sourceModule)
+        if (tp.cls.is(ModuleClass)) return fullNameString(tp.cls.sourceModule)
       case _ =>
     }
     super.toTextRef(tp)
@@ -851,7 +851,9 @@ class RefinedPrinter(_ctx: Context) extends PlainPrinter(_ctx) {
         case _ =>
       }
     def name =
-      if (sym.is(ModuleClass) && sym.isPackageObject && sym.name.stripModuleClassSuffix == tpnme.PACKAGE)
+      if (printDebug)
+        nameString(sym)
+      else if (sym.is(ModuleClass) && sym.isPackageObject && sym.name.stripModuleClassSuffix == tpnme.PACKAGE)
         nameString(sym.owner.name)
       else if (sym.is(ModuleClass))
         nameString(sym.name.stripModuleClassSuffix)