From aad82c0521ebf08b759b3080a56451be435c02b3 Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Sat, 3 Oct 2009 17:17:35 +0000
Subject: Enhanced the previous string length fix to work...

Enhanced the previous string length fix to work, and made it possible to
enable/disable deprecation warnings on the fly in the repl, like so:

  settings.deprecation = true
---
 src/compiler/scala/tools/nsc/Interpreter.scala     |  2 +-
 .../scala/tools/nsc/InterpreterSettings.scala      | 22 +++++++++++++++++++---
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/src/compiler/scala/tools/nsc/Interpreter.scala b/src/compiler/scala/tools/nsc/Interpreter.scala
index d34c4a8640..48cc5bc61b 100644
--- a/src/compiler/scala/tools/nsc/Interpreter.scala
+++ b/src/compiler/scala/tools/nsc/Interpreter.scala
@@ -102,7 +102,7 @@ class Interpreter(val settings: Settings, out: PrintWriter)
   }
 
   /** interpreter settings */
-  lazy val isettings = new InterpreterSettings
+  lazy val isettings = new InterpreterSettings(this)
 
   object reporter extends ConsoleReporter(settings, null, out) {
     override def printMessage(msg: String) {
diff --git a/src/compiler/scala/tools/nsc/InterpreterSettings.scala b/src/compiler/scala/tools/nsc/InterpreterSettings.scala
index 8675e3d8bd..e274294082 100644
--- a/src/compiler/scala/tools/nsc/InterpreterSettings.scala
+++ b/src/compiler/scala/tools/nsc/InterpreterSettings.scala
@@ -11,7 +11,7 @@ package scala.tools.nsc
  * @version 1.0
  * @author Lex Spoon, 2007/3/24
  **/
-class InterpreterSettings {
+class InterpreterSettings(repl: Interpreter) {
   /** A list of paths where :load should look */
   var loadPath = List(".")
 
@@ -22,6 +22,14 @@ class InterpreterSettings {
    */
   var maxPrintString = 2400
 
+  def deprecation_=(x: Boolean) = {
+    val old = repl.settings.deprecation.value
+    repl.settings.deprecation.value = x
+    if (!old && x) println("Enabled -deprecation output.")
+    else if (old && !x) println("Disabled -deprecation output.")
+  }
+  def deprecation: Boolean = repl.settings.deprecation.value
+
   override def toString =
     "InterpreterSettings {\n" +
 //    "  loadPath = " + loadPath + "\n" +
@@ -50,7 +58,7 @@ package scala.tools.nsc
  * @version 1.0
  * @author Lex Spoon, 2007/3/24
  **/
-class InterpreterSettings {
+class InterpreterSettings(repl: Interpreter) {
   /** A list of paths where :load should look */
   var loadPath = List(".")
 
@@ -59,7 +67,15 @@ class InterpreterSettings {
    *  more than this number of characters, then the printout is
    *  truncated.
    */
-  var maxPrintString = 390
+  var maxPrintString = 2400
+
+  def deprecation_=(x: Boolean) = {
+    val old = repl.settings.deprecation.value
+    repl.settings.deprecation.value = x
+    if (!old && x) println("Enabled -deprecation output.")
+    else if (old && !x) println("Disabled -deprecation output.")
+  }
+  def deprecation: Boolean = repl.settings.deprecation.value
 
   override def toString =
     "InterpreterSettings {\n" +
-- 
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