Address review comments

Author: odersky

compiler/src/dotty/tools/dotc/Run.scala

@@ -68,12 +68,8 @@ class Run(comp: Compiler, ictx: Context) extends ImplicitRunInfo with Constraint
   private[this] var myUnits: List[CompilationUnit] = _
   private[this] var myUnitsCached: List[CompilationUnit] = _
   private[this] var myFiles: Set[AbstractFile] = _
-
-  /** Units that are added because of source completers but that are not
-   *  compiled in current run.
-   */
-  val lateUnits = mutable.ListBuffer[CompilationUnit]()
-  var lateFiles = mutable.Set[AbstractFile]()
+  private[this] val myLateUnits = mutable.ListBuffer[CompilationUnit]()
+  private[this] var myLateFiles = mutable.Set[AbstractFile]()
 
   /** The compilation units currently being compiled, this may return different
     *  results over time.
@@ -95,6 +91,12 @@ class Run(comp: Compiler, ictx: Context) extends ImplicitRunInfo with Constraint
     myFiles
   }
 
+  /** Units that are added from source completers but that are not compiled in current run. */
+  def lateUnits: List[CompilationUnit] = myLateUnits.toList
+
+  /** The source files of all late units, as a set */
+  def lateFiles: collection.Set[AbstractFile] = myLateFiles
+
   def getSource(fileName: String): SourceFile = {
     val f = new PlainFile(io.Path(fileName))
     if (f.isDirectory) {
@@ -184,8 +186,8 @@ class Run(comp: Compiler, ictx: Context) extends ImplicitRunInfo with Constraint
   def enterRoots(file: AbstractFile)(implicit ctx: Context): Unit =
     if (!files.contains(file) && !lateFiles.contains(file)) {
       val unit = new CompilationUnit(getSource(file.path))
-      lateUnits += unit
-      lateFiles += file
+      myLateUnits += unit
+      myLateFiles += file
       enterRoots(unit)(runContext.fresh.setCompilationUnit(unit))
     }
 

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

@@ -133,7 +133,7 @@ class SymbolLoaders {
           def checkPathMatches(path: List[TermName], what: String, tree: MemberDef): Boolean = {
             val ok = filePath == path
             if (!ok)
-              ctx.warning(i"""$what ${tree.name} is in wrong directory.
+              ctx.warning(i"""$what ${tree.name} is in the wrong directory.
                               |It was declared to be in package ${path.reverse.mkString(".")}
                               |But it is found in directory     ${filePath.reverse.mkString(File.separator)}""",
                           tree.pos)