Putting back things sbt noticed were gone.

Author: paulp

src/compiler/scala/tools/nsc/Interpreter.scala

@@ -0,0 +1,12 @@
+package scala.tools.nsc
+
+import interpreter._
+import java.io._
+
+/** A compatibility stub.
+ */
+@deprecated("Use a class in the scala.tools.nsc.interpreter package.", "2.9.0")
+class Interpreter(settings: Settings, out: PrintWriter) extends IMain(settings, out) {
+  def this(settings: Settings) = this(settings, new NewLinePrintWriter(new ConsoleWriter, true))
+  def this() = this(new Settings())
+}

src/compiler/scala/tools/nsc/InterpreterLoop.scala

@@ -0,0 +1,12 @@
+package scala.tools.nsc
+
+import interpreter._
+import java.io._
+
+/** A compatibility stub.
+ */
+@deprecated("Use a class in the scala.tools.nsc.interpreter package.", "2.9.0")
+class InterpreterLoop(in0: Option[BufferedReader], out: PrintWriter) extends ILoop(in0, out) {
+  def this(in0: BufferedReader, out: PrintWriter) = this(Some(in0), out)
+  def this() = this(None, new PrintWriter(scala.Console.out))
+}

src/compiler/scala/tools/nsc/interpreter/ILoop.scala

@@ -49,6 +49,9 @@ class ILoop(in0: Option[BufferedReader], protected val out: JPrintWriter)
   var settings: Settings = _
   var intp: IMain = _
 
+  @deprecated("Use `intp` instead.", "2.9.0") def interpreter = intp
+  @deprecated("Use `intp` instead.", "2.9.0") def interpreter_= (i: Interpreter): Unit = intp = i
+
   /** Having inherited the difficult "var-ness" of the repl instance,
    *  I'm trying to work around it by moving operations into a class from
    *  which it will appear a stable prefix.
@@ -869,6 +872,9 @@ class ILoop(in0: Option[BufferedReader], protected val out: JPrintWriter)
       case help   => echoNoNL(help) ; true
     }
   }
+
+  @deprecated("Use `process` instead", "2.9.0")
+  def main(settings: Settings): Unit = process(settings)
 }
 
 object ILoop {