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.

5 files changed, 21 insertions, 18 deletions

diff --git a/test/disabled/run/t7843-jsr223-service.scala b/test/disabled/run/t7843-jsr223-service.scala
deleted file mode 100644
index e2ea850698..0000000000
--- a/test/disabled/run/t7843-jsr223-service.scala
+++ /dev/null
@@ -1,18 +0,0 @@
-/*DISABLED:
-    For Paul, it steals focus when it runs.
-
-    For me, it fails with some platform specific extra output:
-
-    -ScriptEngineManager providers.next(): javax.script.ScriptEngineFactory: Provider apple.applescript.AppleScriptEngin
-     n: Object = 10
-     12345678910
-*/
-import javax.script._
-import scala.tools.nsc.interpreter.IMain
-
-object Test extends App {
-  val engine = new ScriptEngineManager getEngineByName "scala"
-  engine.asInstanceOf[IMain].settings.usejavacp.value = true
-  engine put ("n", 10)
-  engine eval "1 to n.asInstanceOf[Int] foreach print"
-}
diff --git a/test/disabled/run/t7843-jsr223-service.check b/test/files/run/t7843-jsr223-service.check
index a668df3567..a668df3567 100644
--- a/test/disabled/run/t7843-jsr223-service.check
+++ b/test/files/run/t7843-jsr223-service.check
diff --git a/test/files/run/t7843-jsr223-service.scala b/test/files/run/t7843-jsr223-service.scala
new file mode 100644
index 0000000000..31112212ea
--- /dev/null
+++ b/test/files/run/t7843-jsr223-service.scala
@@ -0,0 +1,8 @@
+import scala.tools.nsc.interpreter.IMain
+
+object Test extends App {
+  val engine = new IMain.Factory getScriptEngine()
+  engine.asInstanceOf[IMain].settings.usejavacp.value = true
+  engine put ("n", 10)
+  engine eval "1 to n.asInstanceOf[Int] foreach print"
+}
diff --git a/test/files/run/t7933.check b/test/files/run/t7933.check
new file mode 100644
index 0000000000..317e9677c3
--- /dev/null
+++ b/test/files/run/t7933.check
@@ -0,0 +1,2 @@
+hello
+hello
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()
+}