[split] Eval.scala: Allow @deprecated

The Scala compiler propagates warnings through exceptions.  So Eval
failed if an Eval'ed file uses something deprecated.  Disable
warnings.

RB_ID=63167

3 files changed, 13 insertions, 2 deletions

diff --git a/libraries/eval/Eval.scala b/libraries/eval/Eval.scala
index d2188cb..7a45d20 100644
--- a/libraries/eval/Eval.scala
+++ b/libraries/eval/Eval.scala
@@ -418,8 +418,7 @@ class Eval(target: Option[File]) {
     val cache = new mutable.HashMap[String, Class[_]]()
 
     val settings = new Settings
-    settings.deprecation.value = true // enable detailed deprecation warnings
-    settings.unchecked.value = true // enable detailed unchecked warnings
+    settings.nowarnings.value = true // warnings are exceptions, so disable
     settings.outputDirs.setSingleOutput(target)
 
     val pathList = compilerPath ::: libPath
diff --git a/libraries/eval/test/EvalTest.scala b/libraries/eval/test/EvalTest.scala
index 24acdc9..6e86327 100644
--- a/libraries/eval/test/EvalTest.scala
+++ b/libraries/eval/test/EvalTest.scala
@@ -93,6 +93,12 @@ class EvalSpec extends SpecificationWithJUnit {
       (new Eval).apply[Int](getClass.getResourceAsStream("/OnePlusOne.scala")) mustEqual 2
     }
 
+    "uses deprecated" in {
+      val deprecated = (new Eval).apply[() => String](
+        TempFile.fromResourcePath("/Deprecated.scala"))
+      deprecated() mustEqual "hello"
+    }
+
     "inPlace('expression')" in {
       // Old object API works
       Eval.compile("object Doubler { def apply(n: Int) = n * 2 }")
diff --git a/libraries/eval/test/resources/Deprecated.scala b/libraries/eval/test/resources/Deprecated.scala
new file mode 100644
index 0000000..979affb
--- /dev/null
+++ b/libraries/eval/test/resources/Deprecated.scala
@@ -0,0 +1,6 @@
+new (() => String) {
+  @deprecated("don't use hello")
+  def hello() = "hello"
+
+  def apply() = hello()
+}