SI-7933 REPL javax.script eval is cached result

The problem is that the repl underneath the script engine evaluates input to
val res0..resN, so it is a one shot operation. To allow repetition,
compile(script) now returns a CompiledScript object whose eval method can be
called any number of times.

1 files changed, 11 insertions, 0 deletions

diff --git a/test/files/run/t7933.scala b/test/files/run/t7933.scala
new file mode 100644
index 0000000000..b06dffcd80
--- /dev/null
+++ b/test/files/run/t7933.scala
@@ -0,0 +1,11 @@
+import scala.tools.nsc.interpreter.IMain
+
+object Test extends App {
+  val engine = new IMain.Factory getScriptEngine()
+  engine.asInstanceOf[IMain].settings.usejavacp.value = true
+  val res2 = engine.asInstanceOf[javax.script.Compilable]
+  res2 compile "8" eval()
+  val res5 = res2 compile """println("hello") ; 8"""
+  res5 eval()
+  res5 eval()
+}