1 files changed, 18 insertions, 0 deletions
diff --git a/src/compiler/scala/reflect/macros/contexts/Evals.scala b/src/compiler/scala/reflect/macros/contexts/Evals.scala
new file mode 100644
index 0000000000..84928ddf86
--- /dev/null
+++ b/src/compiler/scala/reflect/macros/contexts/Evals.scala
@@ -0,0 +1,18 @@
+package scala.reflect.macros
+package contexts
+
+import scala.reflect.runtime.{universe => ru}
+import scala.tools.reflect.ToolBox
+
+trait Evals {
+  self: Context =>
+
+  private lazy val evalMirror = ru.runtimeMirror(universe.analyzer.defaultMacroClassloader)
+  private lazy val evalToolBox = evalMirror.mkToolBox()
+  private lazy val evalImporter = ru.mkImporter(universe).asInstanceOf[ru.Importer { val from: universe.type }]
+
+  def eval[T](expr: Expr[T]): T = {
+    val imported = evalImporter.importTree(expr.tree)
+    evalToolBox.eval(imported).asInstanceOf[T]
+  }
+}
+\ No newline at end of file